2023200041_A1_Attachment B_Hazardous Materials Report.pdf

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This is an Asbestos and Lead Paint Survey Report prepared by PBS Engineering and Environmental, Inc. for the City of Eugene Parks and Open Space Division regarding a vacant residential building and adjoining structures located at 990 River Loop 2 in Eugene, Oregon. The survey was conducted on April 5, 2019, in accordance with OSHA regulations, Oregon Department of Environmental Quality regulations, and LRAPA standards. The inspection involved the collection and analysis of 30 bulk samples of building materials suspected of containing asbestos, submitted to NVL Labs for polarized light microscopy analysis, and paint chip samples analyzed for lead content by atomic absorption. All 30 asbestos bulk samples tested negative for asbestos-containing materials, including samples from gypsum wallboard, sheet floor covering, window glazing compound, roofing materials, hardboard siding, and ceramic tile throughout the three structures. Two of four lead paint samples tested positive, with lead concentrations detected in the Entry Room window frame paint (14,000 ppm) and the North Exterior siding paint on wood substrate, both exceeding the EPA threshold of 5,000 ppm for lead-based paint definition.

The report certifies that the survey was conducted in accordance with professional standards and provides detailed inventory listings of all materials sampled and their laboratory results. The inspectors, Jose Herrera (Accreditation IR-19-4518B) and Aaron LeFore (Accreditation IN-19-7318B), both AHERA-accredited, documented their findings with complete chain of custody documentation and laboratory analysis reports. The report notes that although no asbestos was detected at the site, additional suspect materials may be present in inaccessible areas such as interstitial spaces or confined spaces, and if materials are uncovered during subsequent demolition or renovation activities, testing should be performed prior to impact. The document serves as a hazard communication tool for risk assessment and is explicitly noted as not suitable as a bid document or asbestos abatement design specification.

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May 2019 PBS Project No.: 52472.000 T002

2 6 4 5 W I L L A M E T T E S T R E E T , S U I T E A , E U G E N E , O R 9 7 4 0 5 ▪ 5 4 1 . 6 8 6 . 8 6 8 4 M A I N ▪ 8 6 6 . 7 2 7 . 0 1 4 0 F A X ▪ P B S U S A . C O M

Asbestos and Lead Paint Survey Report

990 River Loop 2

Eugene, OR 97404

Prepared for:

City of Eugene-Parks and Open Space Division

General Information........................................................ 1.1

Certification 1.2

Inspection Summary ....................................................... 1.3

Asbestos Bulk Sample Inventories ............................ 2.1

Lead Paint Sample Inventories ................................... 3.1

Laboratory Data ................................................................ Not Numbered

Inspector Certification .................................................... Not Numbered

Asbestos and Lead Paint Survey Report 990 River Loop 2

Eugene Parks and Open Space Division Eugene, Oregon

1.1

PBS Project No. 52472.000 T002

GENERAL INFORMATION

BUILDING DATA CLIENT DATA

990 River Loop 2 Eugene Parks and Open Space Division

Eugene, Oregon 97404 1820 Roosevelt Boulevard

Eugene, Oregon 97402

Year(s) Built: – Circa 1901

PBS Engineering and Environmental, Inc. (PBS) has performed an asbestos and lead paint survey of the vacant residential building and adjoining shed structures located at 990 River Loop 2 in Eugene, Oregon.

The survey was performed in general accordance with OSHA regulations in 29 CFR 1910.1001, Oregon

Department of Environmental Quality (DEQ) regulations in OAR 340-248-0270, and LRAPA Title 43.

Based on the information gathered during the site inspection and laboratory analysis, this report contains the following information:

• A summary of asbestos-containing materials discovered during the inspection, including a material description and location of each identified asbestos-containing material (ACM);

• A summary of lead paint sampling;

• Sample inventories listing the sample number, location, material description, and laboratory results for each asbestos and lead paint sample;

• Laboratory analysis reports and chain of custody documentation;

• Inspector(s) Certification

SURVEY SCOPE

Asbestos

PBS endeavored to locate all suspect asbestos-containing materials within the buildings during this survey; however, additional suspect asbestos-containing materials may be present in inaccessible areas

(e.g. interstitial spaces, confined spaces, sub-slab trenches, etc.). If suspect materials are uncovered during demolition or renovation activities that are not identified in this report, testing should be performed prior to impact. This survey was conducted to identify, and sample accessible suspect asbestos-containing building materials and it is not considered an exhaustive survey of every building material.

1.2

Lead Paint

PBS collected bulk samples from representative painted surfaces from the building interior and exterior.

The samples were analyzed for lead using flame atomic absorption (FAA). No attempt was made to determine the paint history of the components that were sampled. The lead paint testing conducted during this survey was for lead hazard characterization purposes and was not a surface-by-surface inspection of every painted building component.

CERTIFICATION

PBS has conducted a physical inspection of the 990 River Loop 2 property, compiled this report consistent with the survey scope, and certifies that the information is correct and accurate within the standards of professional quality and contractual obligations.

Jose Herrera Aaron LeFore

Inspector Inspector

Accreditation: IR-19-4518B

Direct: (541) 868-0951

Accreditation: IN-19-7318B

Direct: (541) 913-9469

Signature Date Signature Date

1.3

INSPECTION SUMMARY

DATES SURVEYED BY ACTIVITY

April 5th , 2019 Jose Herrera &

Aaron LeFore

Materials Inventory and Bulk Sample

Collection

On April 5th , 2019 PBS performed a hazardous building materials survey at 990 River Loop 2 in Eugene, Oregon. The purpose of the survey was to locate, identify, and quantify accessible friable and non-friable asbestos-containing building materials and lead containing paint.

ASBESTOS SUMMARY

A PBS Asbestos Hazard Emergency Response Act (AHERA) accredited inspector surveyed interior and exterior areas of the three vacant structures located at 990 River Loop 2 to locate suspect asbestos containing materials (ACM). A total of thirty (30) bulk samples of building materials, suspected of containing asbestos, were collected and submitted under chain of custody to NVL Labs of Seattle, Washington, for polarized light microscopy (PLM) analysis.

Fiberglass batt insulation was observed in some areas of the crawlspace, behind wall finishes, and above attic spaces in several locations throughout the building.

Refer to the asbestos bulk sample inventory attached to this report for more sample details, the findings are listed below.

ASBESTOS MATERIALS

No asbestos-containing materials were identified at this site.

MATERIALS WHICH TESTED NEGATIVE FOR ASBESTOS

The following materials tested negative based on ASHARA sampling minimums and testing by NVLAP participating laboratories. Although no asbestos was detected, it is possible that further sampling could indicate asbestos content.

Material Location

Composition Shingles Roof

Shed Roof (directly behind house)

1.4

Material Location

Roofing Felt, Black Roof

Shed Roof

Gypsum Board/Joint Compound/Texture Throughout Building

Sheet Floor Covering, 12” & 6” Pattern Bathroom

Utility room

Sub-Flooring Felt, Black Throughout Building

Window Glazing Compound, Off White Windows Throughout Building

Hardboard Siding, Off White Kitchen Extension

Front Porch

Texture/Wood Panel Wall Southwest Room

Utility room

Vinyl Floor, Faux wood

Entry Room

Kitchen

West Room

Ceramic Tile, White 6”/Grout, Tan Kitchen Backsplash

Covebase, Brown 4”/Mastic, Clear Bathroom

Asbestos Regulatory Issues

LRAPA, Oregon DEQ, Environmental Protection Agency (EPA) and OSHA regulations require proper removal and handling of ACM by licensed and trained asbestos abatement contractors prior to building renovations or demolition.

The LRAPA, EPA, DEQ, and OSHA all define ACM as any material containing more than one percent asbestos. Although materials equal to or less than one percent are not considered by regulatory agencies to be an ACM, they still have some asbestos content, and Oregon OSHA has specific requirements for situations in which workers may encounter, disturb, or remove materials containing any level of asbestos. For the sake of hazard communication, these materials are included in the asbestos containing materials section of this report.

In 1995, Oregon OSHA adopted 29 Code of Federal Regulations (CFR) Part 1926.1101 governing asbestos under OAR 437-003-1926.1101. The regulation has made significant changes in work procedures and how asbestos materials are managed. OSHA believes that the single biggest risk of asbestos exposure is to workers who unknowingly or improperly disturb ACM. Hazard communication, training, personal protection, work practices, exposure monitoring, and recordkeeping are all major components of the regulation.

1.5

DEQ’s OAR 340, Division 248 and LRAPA Title 43 also covers asbestos abatement requirements, removal notifications, licensing, and certifications for contractors.

For more information regarding the removal of asbestos-containing materials, please refer to the following:

1. Oregon Occupational Safety and Health Administration, OAR 437-003-1926.1101

2. Department of Environmental Quality, OAR-340, Division 248

3. LRAPA Title 43

LEAD SUMMARY

Paint chip samples were collected from representative interior and exterior painted building components in areas anticipated to be impacted by the renovation project. The samples represent the major painted building components in these areas. The samples were submitted to NVL Laboratories, Inc. in Seattle, Washington (AIHA #101861) and analyzed for lead content by atomic absorption.

Laboratory analytical results indicated the presence of lead in 2 of the 4 paint-chip samples collected during two separate sampling events, with concentrations ranging from None Detected to 14,000 parts per million (ppm). Refer to the attached lead sample inventories for additional details regarding sample locations and laboratory analytical results. For reference, the Environmental Protection Agency (EPA) uses 5,000 ppm as the threshold limit for the definition of lead-based paint. Under OSHA, any amount of lead triggers the OSHA Lead in Construction Standard. Lead safe work practices should always be employed when impacting paint that contains lead in any concentration.

A summary of painted surfaces in which lead was detected is presented in the table below:

Location Material (Type)

Entry Room Window Frame Paint, White on Wood Substrate

North Exterior, Siding Paint, White on Wood Substrate

Disposal

According to Oregon DEQ’s Hazardous Waste/Toxics Reduction Policy Clarification, disposal of building demolition waste coated with lead-based paint generally will not require a hazardous wasted determination (i.e., toxicity characteristic leaching procedures [TCLP] testing) if demolition debris is disposed of at a DEQ-permitted solid waste landfill that meets the current design standards for municipal solid waste disposal facilities of 40 CFR Part 258.

1.6

Refer to the DEQ hazardous waste reduction policy and follow all requirements under the Oregon DEQ, Management of Building Demolition Waste, 97-002A for proper disposal of lead-based painted demolition waste.

This report is not suitable as a bid document or an asbestos abatement design. The purpose of this report is risk hazard communication only.

Eugene, Oregon

City of Eugene, Parks Department

Bulk Sample Inventory

Code Material Location Lab Results

Entry room, northeast NVL Labs, Inc.52472.000-0001 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite compacted powdery material with green paint

Layer 2 No Asbestos DetectedWhite compacted powdery material with white paper

Layer 3 No Asbestos DetectedOff-white thin fibrous material

Layer 4 No Asbestos DetectedWhite chalky material with layered paper

Bathroom, southwest NVL Labs, Inc.52472.000-0002 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite bumpy compacted powdery material with pale green paint

Layer 2 No Asbestos DetectedOff-white/white compacted powdery material with off-white paint

Layer 3 No Asbestos DetectedGreen thin fibrous material

Layer 4 No Asbestos DetectedPale peach chalky material with layered paper

Northwest room, northeast corner NVL Labs, Inc.52472.000-0003 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite bumpy compacted powdery material with white paint

Layer 2 No Asbestos DetectedOff-white thin fibrous material

Layer 3 No Asbestos DetectedWhite chalky material with layered paper

Northwest room, closet NVL Labs, Inc.52472.000-0004 Gypsum Wallboard/Joint

Compound/Texture Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite bumpy compacted powdery material with white paint

Layer 2 No Asbestos DetectedWhite compacted powdery material with white paper

Layer 3 No Asbestos DetectedWhite thin fibrous material

Layer 4 No Asbestos DetectedWhite chalky material with layered paper

2. 1

Project No.: 52472.000 Phase No.: 0001 Task No.: 002

City of Eugene, Parks Department

Bulk Sample Inventory

Code Material Location Lab Results

Kitchen, north wall NVL Labs, Inc.52472.000-0005 Gypsum Wallboard/Joint

Compound/Texture Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite compacted powdery material with light blue/yellow paint and fibrous mesh

Layer 2 No Asbestos DetectedWhite thin fibrous material

Layer 3 No Asbestos DetectedWhite chalky material with layered paper

Entry room, stairway NVL Labs, Inc.52472.000-0006 Sheet Floor Covering/Felt

Analysis:

felt paper under subfloorComments:

Description:Layer:

Layer 1 No Asbestos DetectedWhite skim coat material with paint (on wood)

Layer 2 No Asbestos DetectedBlack asphaltic fibrous felt with wood flakes

Layer 3 No Asbestos DetectedGray tile with brown/black vinyl surface

Kitchen, south wall NVL Labs, Inc.52472.000-0007 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite compacted powdery material with light blue paint

Layer 2 No Asbestos DetectedWhite thin fibrous material

Layer 3 No Asbestos DetectedBeige chalky material with layered paper and cellophane

Kitchen extension, northwest wall NVL Labs, Inc.52472.000-0008 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite bumpy compacted powdery material with orange/white paint

Layer 2 No Asbestos DetectedWhite compacted powdery material with white paper with trace clear thin adhesive

Layer 3 No Asbestos DetectedOff-white fibrous material

Layer 4 No Asbestos DetectedWhite chalky material with paper

2. 2

City of Eugene, Parks Department

Bulk Sample Inventory

Code Material Location Lab Results

Kitchen extension, southeast wall NVL Labs, Inc.52472.000-0009 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite bumpy compacted powdery material with orange/white paint

Layer 2 No Asbestos DetectedWhite compacted powdery material with white paper

Layer 3 No Asbestos DetectedBeige fibrous material

Layer 4 No Asbestos DetectedWhite chalky material with paper

Utility room, southwest wall NVL Labs, Inc.52472.000-0010 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite thin fibrous material with off-white paint

Layer 2 No Asbestos DetectedOff-white chalky material with layered paper

Southwest room, northeast wall NVL Labs, Inc.52472.000-0011 Texture/Wood Panel Wall

Analysis:

paint/texture/board panel/ grey paint/woodComments:

Description:Layer:

Layer 1 No Asbestos DetectedWhite thin bumpy compacted powdery material with pale purple/white paint

Layer 2 No Asbestos DetectedBlack/white (paint on wood)

Layer 3 No Asbestos DetectedLight gray textured paint (on wood)

Southwest room, north wall NVL Labs, Inc.52472.000-0012 Texture/Wood Panel Wall

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite thin bumpy compacted powdery material with light blue paint

Layer 2 No Asbestos DetectedBlack/white paint (on wood)

Layer 3 No Asbestos DetectedCream paint (on wood)

2. 3

City of Eugene, Parks Department

Bulk Sample Inventory

Code Material Location Lab Results

Southwest room, south wall NVL Labs, Inc.52472.000-0013 Texture/Wood Panel Wall

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite thin bumpy compacted powdery material with light blue paint

Layer 2 No Asbestos DetectedBlack/white paint (on wood)

Layer 3 No Asbestos DetectedGray thin textured paint with trace mastic (on wood)

Bathroom, northwest corner NVL Labs, Inc.52472.000-0014 Sheet Floor Covering/Felt

Analysis:

felt layer under plywood underlaymentComments:

Description:Layer:

Layer 1 No Asbestos DetectedOff-white soft vinyl

Layer 2 No Asbestos DetectedGray thin crumbly material

Layer 3 No Asbestos DetectedTan wooden compressed fibrous material with layered tan thin mastic

Layer 4 No Asbestos DetectedTrace thin white compacted powdery material

Layer 5 No Asbestos DetectedLayered tan wooden compressed fibrous material with brown thin adhesive

Layer 6 No Asbestos DetectedBlack asphaltic fibrous material

Bathroom, northeast wall NVL Labs, Inc.52472.000-0015 Covebase/Mastic

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedTan rubbery material

Layer 2 No Asbestos DetectedClear soft adhesive

Layer 3 No Asbestos DetectedTrace off-white compacted powdery material with paint and paper

Utility room, west wall NVL Labs, Inc.52472.000-0016 Gypsum Wallboard/Joint

Compound/Texture

Analysis:

material applied over wood panel wallComments:

Description:Layer:

Layer 1 No Asbestos DetectedWhite compacted powdery material with off-white paint

Layer 2 No Asbestos DetectedWhite thin fibrous material

Layer 3 No Asbestos DetectedWhite chalky material with paper

Layer 4 No Asbestos DetectedCream thin brittle mastic on wood

2. 4

City of Eugene, Parks Department

Bulk Sample Inventory

Code Material Location Lab Results

Utility room, west doorway NVL Labs, Inc.52472.000-0017 Sheet Floor Covering/Felt

Analysis:

felt layer under plywood underlaymentComments:

Description:Layer:

Layer 1 No Asbestos DetectedOff-white sheet vinyl

Layer 2 No Asbestos DetectedOff-white fibrous backing with yellow mastic

Layer 3 No Asbestos DetectedGray thin crumbly material (on wood)

Layer 4 No Asbestos DetectedLayered tan wooden compressed fibrous material with thin yellow adhesive

Layer 5 No Asbestos DetectedBlack asphaltic fibrous material

Utility room, north wall NVL Labs, Inc.52472.000-0018 Texture/Wood Panel Wall

Analysis:

paint/texture/plywoodComments:

Description:Layer:

Layer 1 No Asbestos DetectedOff-white thin bumpy compacted powdery material with cream paint (on wood)

Layer 2 No Asbestos DetectedBrown thin soft adhesive (on wood)

Staircase, west wall NVL Labs, Inc.52472.000-0019 Gypsum Wallboard/Joint

Compound/Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedOff-white compacted powdery material with off-white paint and inter fibrous mesh

Layer 2 No Asbestos DetectedOff-white fibrous material with trace very thin clear adhesive

Layer 3 No Asbestos DetectedPeach chalky material with paper

Staircase, north wall NVL Labs, Inc.52472.000-0020 Gypsum Wallboard/Joint

Compound/ Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedOff-white compacted powdery material with off-white paint

Layer 2 No Asbestos DetectedOff-white compacted powdery material with white paper

Layer 3 No Asbestos DetectedOff-white thin fibrous material

Layer 4 No Asbestos DetectedPeach chalky material with paper

2. 5

City of Eugene, Parks Department

Bulk Sample Inventory

Code Material Location Lab Results

2nd floor, southeast corner NVL Labs, Inc.52472.000-0021 Gypsum Wallboard/Joint

Compound/ Texture

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedOff-white thin bumpy compacted powdery material with off-white paint

Layer 2 No Asbestos DetectedWhite compacted powdery material with paint

Layer 3 No Asbestos DetectedOff-white thin fibrous material

Layer 4 No Asbestos DetectedWhite chalky material with paper

Layer 5 No Asbestos DetectedGray fibrous material

Entry room NVL Labs, Inc.52472.000-0022 Window Glazing Compound

Analysis:

next to front doorComments:

Description:Layer:

Layer 1 No Asbestos DetectedTan putty material with paint

Northwest room, west window NVL Labs, Inc.52472.000-0023 Window Glazing Compound

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite putty material with white paint and trace thin yellow mastic

Southwest room, west window NVL Labs, Inc.52472.000-0024 Window Glazing Compound

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedWhite soft material with paint

Kitchen, northwest NVL Labs, Inc.52472.000-0025 Ceramic Tile/Grout

Analysis:

with residual gypsum board/joint compoundComments:

Description:Layer:

Layer 1 No Asbestos DetectedTan ceramic tile

Layer 2 No Asbestos DetectedWhite brittle material

Layer 3 No Asbestos DetectedOff-white compacted powdery material with paint and trace paper

Layer 4 No Asbestos DetectedTan sandy/brittle material

2. 6

City of Eugene, Parks Department

Bulk Sample Inventory

Code Material Location Lab Results

Shed, behind house, southeast roof NVL Labs, Inc.52472.000-0026 Composition Shingles/Felt

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedBlack asphaltic fibrous material with granules

Layer 2 No Asbestos DetectedBlack asphaltic fibrous felt with debris

Shed, southeast of house, southwest roof NVL Labs, Inc.52472.000-0027 Roofing Felt

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedBlack asphaltic fibrous felt

Exterior, front porch NVL Labs, Inc.52472.000-0028 Hardboard Siding

Analysis:

over original board siding/ tarComments:

Description:Layer:

Layer 1 No Asbestos DetectedTan hard compressed fibrous/powdery material with paint

Exterior roof, northeast NVL Labs, Inc.52472.000-0029 Composition Shingles/Felt

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedBlack asphaltic fibrous material with granules

Layer 2 No Asbestos DetectedBlack asphaltic fibrous felt

Exterior roof, northwest NVL Labs, Inc.52472.000-0030 Composition Shingles/Felt

Analysis:Description:Layer:

Layer 1 No Asbestos DetectedBlack asphaltic fibrous material with granules

Layer 2 No Asbestos DetectedBlack asphaltic fibrous felt

2. 7

City of Eugene, Parks Department

Lead Sample Inventory

Code LocationMaterial Analysis Lab

PAINT

First Floor, Entry Room Window Frame, on Wood

Substrate

NVL Labs, Inc.LB52472.000-1001 Paint, White 14,000 ppm

First Floor, Northwest Room, West Wall, on

Gypsum Substrate

NVL Labs, Inc.LB52472.000-1002 Paint, White <53 ppm

First Floor, Kitchen, East Wall, on Gypsum

Substrate

NVL Labs, Inc.LB52472.000-1003 Paint, Orange

<51 ppm

Exterior, North Wall, Siding, on Wood Substrate NVL Labs, Inc.LB52472.000-1004 Paint, White 6,900 ppm

13.

Nick Ly, Technical Director

Client Project: 52472.000 Task 002 Location: River Loop #2 - 990

Dear Mr. Herrera, Enclosed please find test results for the 30 sample(s) submitted to our laboratory for analysis on 4/10/2019.

Examination of these samples was conducted for the presence of identifiable asbestos fibers using polarized light microscopy (PLM) with dispersion staining in accordance with both EPA 600/M4-82-020, Interim Method for the Determination of Asbestos in Bulk Insulation Samples and EPA 600/R-93/116 Method for the Determination of Asbestos in Bulk Building Materials.

For samples containing more than one separable layer of materials, the report will include findings for each layer (labeled Layer 1 and Layer 2, etc. for each individual layer). The asbestos concentration in the sample is determined by calibrated visual estimation.

For those samples with asbestos concentrations between 1 and 10 percent based on visual estimation, the EPA recommends a procedure known as point counting (NESHAPS, 40 CFR Part 61). Point counting is a statistically more accurate means of quantification for samples with low concentrations of asbestos.

The detection limit for the calibrated visual estimation is <1%, 400 point counts is 0.25% and 1000 point counts is 0.1%

Samples are archived for two weeks following analysis. Samples that are not retrieved by the client are discarded after two weeks.

Thank you for using our laboratory services. Please do not hesitate to call if there is anything further we can assist you with.

Sincerely, Enc.: Sample Results

April 14, 2019

Jose Herrera PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

RE: Bulk Asbestos Fiber Analysis; NVL Batch # 1907138.00

< Client:

Address:

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

19036570Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0001

Layer 1 of 4 Description: White compacted powdery material with green paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND Layer 2 of 4 Description: White compacted powdery material with white paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous binder, Calcareous particles 25%Cellulose None Detected ND

Layer 3 of 4 Description: Off-white thin fibrous material Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler 19%Cellulose None Detected ND Layer 4 of 4 Description: White chalky material with layered paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Gypsum/Binder 30%Cellulose None Detected ND

19036571Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0002

Layer 1 of 4 Description: White bumpy compacted powdery material with pale green paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND

Perlite Layer 2 of 4 Description: Off-white/white compacted powdery material with off-white paint

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler, Caulking compound, Paint NDNone Detected None Detected ND

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

ASB-02

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Layer 3 of 4 Description: Green thin fibrous material Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler 28%Cellulose None Detected ND Layer 4 of 4 Description: Pale peach chalky material with layered paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous particles, Gypsum/Binder 32%Cellulose None Detected ND

19036572Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0003

Layer 1 of 3 Description: White bumpy compacted powdery material with white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND

Perlite Layer 2 of 3 Description: Off-white thin fibrous material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler 17%Cellulose None Detected ND

Layer 3 of 3 Description: White chalky material with layered paper Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Gypsum/Binder, Fine particles 30%Cellulose None Detected ND

3%Glass fibers

19036573Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0004

Layer 1 of 4 Description: White bumpy compacted powdery material with white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Perlite Layer 2 of 4 Description: White compacted powdery material with white paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous binder, Calcareous particles, Perlite 26%Cellulose None Detected ND

Layer 3 of 4 Description: White thin fibrous material Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler 25%Cellulose None Detected ND Layer 4 of 4 Description: White chalky material with layered paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous particles, Gypsum/Binder, Fine particles 27%Cellulose None Detected ND

2%Glass fibers

19036574Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0005

Layer 1 of 3 Description: White compacted powdery material with light blue/yellow paint and fibrous mesh Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Adhesive/Binder, Calcareous binder, Calcareous particles 17%Glass fibers None Detected ND

Paint Layer 2 of 3 Description: White thin fibrous material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler 18%Cellulose None Detected ND

Layer 3 of 3 Description: White chalky material with layered paper Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Gypsum/Binder 27%Cellulose None Detected ND

2%Glass fibers

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

19036575Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0006

Layer 1 of 3 Description: White skim coat material with paint (on wood) Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler, Calcareous particles, Paint NDNone Detected None Detected ND

Wood Layer 2 of 3 Description: Black asphaltic fibrous felt with wood flakes

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Asphalt/Binder, Wood flakes 65%Cellulose None Detected ND

Layer 3 of 3 Description: Gray tile with brown/black vinyl surface Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler, Calcareous particles, Vinyl/Binder NDNone Detected None Detected ND

19036576Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0007

Layer 1 of 3 Description: White compacted powdery material with light blue paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND Layer 2 of 3 Description: White thin fibrous material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler 16%Cellulose None Detected ND

Layer 3 of 3 Description: Beige chalky material with layered paper and cellophane Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous particles, Cellophane, Gypsum/Binder 24%Cellulose None Detected ND

19036577Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0008

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Layer 1 of 4 Description: White bumpy compacted powdery material with orange/white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND

Perlite Layer 2 of 4 Description: White compacted powdery material with white paper with trace clear thin adhesive

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Adhesive/Binder, Calcareous binder, Calcareous particles 20%Cellulose None Detected ND

Perlite Layer 3 of 4 Description: Off-white fibrous material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler 25%Cellulose None Detected ND

Layer 4 of 4 Description: White chalky material with paper Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Gypsum/Binder 23%Cellulose None Detected ND

19036578Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0009

Layer 1 of 4 Description: White bumpy compacted powdery material with orange/white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND

Perlite Layer 2 of 4 Description: White compacted powdery material with white paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous binder, Calcareous particles, Perlite 23%Cellulose None Detected ND

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Layer 3 of 4 Description: Beige fibrous material Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler 30%Cellulose None Detected ND Layer 4 of 4 Description: White chalky material with paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous particles, Gypsum/Binder 23%Cellulose None Detected ND

19036579Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0010

Layer 1 of 2 Description: White thin fibrous material with off-white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler, Paint 18%Cellulose None Detected ND Layer 2 of 2 Description: Off-white chalky material with layered paper

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous particles, Gypsum/Binder 24%Cellulose None Detected ND

<1%Glass fibers

19036580Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0011

Layer 1 of 3 Description: White thin bumpy compacted powdery material with pale purple/white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND Layer 2 of 3 Description: Black/white (paint on wood)

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous particles, Paint, Wood NDNone Detected None Detected ND

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Layer 3 of 3 Description: Light gray textured paint (on wood) Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous particles, Paint, Wood NDNone Detected None Detected ND

19036581Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0012

Layer 1 of 3 Description: White thin bumpy compacted powdery material with light blue paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler, Calcareous particles, Paint NDNone Detected None Detected ND

Wood Layer 2 of 3 Description: Black/white paint (on wood)

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous particles, Paint, Wood NDNone Detected None Detected ND

Layer 3 of 3 Description: Cream paint (on wood) Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Fine particles, Paint, Wood NDNone Detected None Detected ND

19036582Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0013

Layer 1 of 3 Description: White thin bumpy compacted powdery material with light blue paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND Layer 2 of 3 Description: Black/white paint (on wood)

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous particles, Paint, Wood NDNone Detected None Detected ND

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Layer 3 of 3 Description: Gray thin textured paint with trace mastic (on wood) Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Mastic/Binder, Paint, Wood NDNone Detected None Detected ND

19036583Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0014

Layer 1 of 6 Description: Off-white soft vinyl Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous particles, Synthetic foam, Vinyl/Binder 4%Glass fibers None Detected ND Layer 2 of 6 Description: Gray thin crumbly material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler, Calcareous particles 2%Cellulose None Detected ND

Layer 3 of 6 Description: Tan wooden compressed fibrous material with layered tan thin mastic Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Mastic/Binder, Wood 95%Wood fibers None Detected ND Layer 4 of 6 Description: Trace thin white compacted powdery material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Calcareous binder, Calcareous particles, Perlite <1%Cellulose None Detected ND

Layer 5 of 6 Description: Layered tan wooden compressed fibrous material with brown thin adhesive Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Adhesive/Binder, Wood 97%Wood fibers None Detected ND Layer 6 of 6 Description: Black asphaltic fibrous material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Asphalt/Binder, Wood flakes 62%Cellulose None Detected ND

2%Wood fibers

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

19036584Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0015

Layer 1 of 3 Description: Tan rubbery material Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Rubber/Binder NDNone Detected None Detected ND Layer 2 of 3 Description: Clear soft adhesive

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Adhesive/Binder NDNone Detected None Detected ND

Layer 3 of 3 Description: Trace off-white compacted powdery material with paint and paper Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Binder/Filler, Calcareous particles, Paint 27%Cellulose None Detected ND

Perlite

19036585Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0016

Layer 1 of 4 Description: White compacted powdery material with off-white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND

Perlite Layer 2 of 4 Description: White thin fibrous material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler 18%Cellulose None Detected ND

Layer 3 of 4 Description: White chalky material with paper Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Gypsum/Binder, Fine particles 22%Cellulose None Detected ND

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Layer 4 of 4 Description: Cream thin brittle mastic on wood Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Mastic/Binder, Wood NDNone Detected None Detected ND

19036586Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0017

Layer 1 of 5 Description: Off-white sheet vinyl Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Synthetic foam, Vinyl/Binder NDNone Detected None Detected ND Layer 2 of 5 Description: Off-white fibrous backing with yellow mastic

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler, Calcareous particles, Mastic/Binder 30%Cellulose None Detected ND

5%Glass fibers Layer 3 of 5 Description: Gray thin crumbly material (on wood)

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Binder/Filler, Calcareous particles, Wood NDNone Detected None Detected ND

Layer 4 of 5 Description: Layered tan wooden compressed fibrous material with thin yellow adhesive Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Adhesive/Binder, Wood , Wood flakes 96%Wood fibers None Detected ND Layer 5 of 5 Description: Black asphaltic fibrous material

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Asphalt/Binder, Wood flakes 63%Cellulose None Detected ND

2%Wood fibers

19036587Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0018

Note: If samples are not homogeneous, then subsamples of the components were analyzed separately. All bulk samples are analyzed using both EPA 600/R-93/116 and 600/M4-82-020 Methods with the following measurement uncertainties for the reported % Asbestos (1%=0-3%, 5%=1-9%, 10%=5-15%, 20%=10-30%, 50%=40-60%). This report relates only to the items tested. If sample was not collected by NVL personnel, then the accuracy of the results is limited by the methodology and acuity of the sample collector. This report shall not be reproduced except in full, without written approval of NVL Laboratories, Inc. It shall not be used to claim product endorsement by NVLAP or any other agency of the US Government

Client Alla PrysyazhnyukAnalyzed by:

Nick LyReviewed by:

04/14/2019 Date:

04/14/2019Date:

Sampled by:

Nick Ly, Technical Director

Attention: Mr. Jose Herrera River Loop #2 - 990

Client Project #: 52472.000 Task 002

Samples Received: 30

By Polarized Light Microscopy Bulk Asbestos Fibers Analysis

PBS Environmental - Eugene 2645 Willamette Street Suite A Eugene, OR 97405

Method: EPA/600/R-93/116

& EPA/600/M4-82-020

Samples Analyzed: 30 Project Location:

Batch #: 1907138.00

Date Received: 4/10/2019

Layer 1 of 2 Description: Off-white thin bumpy compacted powdery material with cream paint (on wood) Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous particles, Paint NDNone Detected None Detected ND

Perlite, Wood Layer 2 of 2 Description: Brown thin soft adhesive (on wood)

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Adhesive/Binder, Wood NDNone Detected None Detected ND

19036588Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0019

Layer 1 of 3 Description: Off-white compacted powdery material with off-white paint and inter fibrous mesh Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Adhesive/Binder, Calcareous binder, Calcareous particles 15%Glass fibers None Detected ND

Paint, Perlite Layer 2 of 3 Description: Off-white fibrous material with trace very thin clear adhesive

Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Adhesive/Binder, Binder/Filler 23%Cellulose None Detected ND

Layer 3 of 3 Description: Peach chalky material with paper Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous particles, Gypsum/Binder 20%Cellulose None Detected ND

19036589Lab ID: Client Sample #:

Location: River Loop #2 - 990

52472.000-0020

Layer 1 of 4 Description: Off-white compacted powdery material with off-white paint Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: %

Calcareous binder, Calcareous…

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