Kodiak Airport Buildings HMA_20211215.pdf

SUSTAINABLE ENVIRONMENT, ENERGY,

HEALTH & SAFETY PROFESSIONAL SERVICES

https://nortechinc.sharepoint.com/00-jobs/2021/2502/Shared Documents/Reports/Kodiak/Kodiak Airport Buildings HMA_20211215.docx

NORTECH, Inc.

Accounting Office:

2400 College Rd

Fairbanks, AK 99709 907.452.5688

907.452.5694 Fax

3105 Lakeshore Drive Suite A106

Anchorage, AK 99517 907.222.2445

907.222.0915 Fax

5438 Shaune Drive Suite B

Juneau, AK 99801 907.586.6813

907.586.6819 Fax

www.nortechengr.com

December 15, 2021 Sent via email to:

R&M Consultants, Inc. cfell@rmconsult.com 9101 Vanguard Dr Anchorage, AK 99507

Attn: Chris Fell

RE: Kodiak Airport Buildings Limited Hazardous Materials Assessment Report

Dear Mr. Fell:

NORTECH is pleased to provide R&M Consultants with the following limited Hazardous Materials Assessment (HMA) Report for buildings located at Lot 5A and Lot 3 of the 1400 Block at the Kodiak Airport. This report documents NORTECH’s methods, sample locations and materials, assessment results, and demolition considerations for both buildings within the proposed project scope.

Background The Alaska Department of Transportation and Public Facilities (ADOT&PF) has plans to demo two buildings located on Lot 5A and Lot 3 of Block 1400 at the Kodiak Airport.

Prior to the planned demolition, a limited Hazardous Materials Assessment (HMA) of the building was conducted to identify potential hazardous materials including asbestos containing materials (ACM), lead-based paint (LBP), mercury containing materials, Polychlorinated Biphenyls (PCB) containing materials, radioactive materials, and other universal wastes that may require special considerations for disposal or handling.

Objectives and Scope of Work ADOT&PF retained R&M Consultants Inc. (R&M) under request for proposal #18 to provide a limited HMA, environmental assessment, prepare a workplan, construction documents and provide construction administration services for buildings located at the Sitka, Kodiak, and Cold Bay Airports. R&M retained NORTECH to provide independent third-party professional services to conduct a limited HMA of the two buildings located at the Kodiak Airport.

The objective of this report is to provide information about hazardous materials and demolition conditions that will be encountered and may require abatement and/or special handling during building demolitions on both properties. The information in this report is intended to be developed into demolition design documents to obtain bids for demolition. These will require specific abatement, and/or hazardous materials management plan(s) for the project that shall be governed by the specific project scope of work and the contractor’s Occupational Safety and Health Administration (OSHA) compliant Work Plan describing the methods and means for the specific project.

NORTECH’s scope of work for the HMA included the following:

Hazardous Materials Assessment Lots 3 and 5A Kodiak Airport

December 2021

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Conduct a Limited HMA of buildings located on Lots 5A and 3 of the 1400 block of the Kodiak Airport o Assessment of identified areas for asbestos-containing materials (ACM) o Identify other hazardous materials present within the assessed area

LBP

Mercury containing materials PCB containing materials Radioactive materials Universal wastes

Prepare this Limited HMA report o Include sample results, locations, and final laboratory reports o Recommendations for renovation and disposal activities

Limitations Lot 3 The intent of this report is to provide data to inform contractors of hazardous building materials that may be encountered and require abatement and/or special handling during renovation and site improvement activities. Due to concerns about the structural integrity of the roofs on all assessed buildings, NORTECH did not climb onto the roofs to conduct extensive sampling or visual assessment of potential hazardous roofing materials. Non-sampled roofing materials should be considered potential ACM unless later laboratory testing indicates otherwise.

A motor home and semi-truck trailer were present on Lot 3, but were not assessed for potential hazardous materials as NORTECH could not gain access to their interiors. Additional hazardous materials not discussed in this report may be present in both the motor home and trailer. A total of 46 abandoned vehicles were also observed on the property. NORTECH did not inspect any of the vehicles for potential hazardous materials, but for disposal purposes, it should be assumed all vehicles (including the motor home) contain lead-acid batteries and fluids (coolants, lubricants, and fuel).

NORTECH observed a floor drain located within the garage portion of the building on Lot 3. It is not clear where the floor drain outlet is located and tracing the floor drain below the concrete pad was outside the scope of work for this project. If the concrete pad the building is located on is demoed during project activities, the floor drain outlet should be assessed at that time.

Lot 5A Due to concerns about the structural integrity of the roofs on all assessed buildings, NORTECH did not climb onto the roofs to conduct extensive sampling or visual assessment of potential hazardous roofing materials. Roofing samples were collected from the corner of the roof on the Lot 5A building, but was limited to what could be reached while on the available ladder. Non-sampled roofing materials should be considered potential ACM unless later laboratory testing indicates otherwise.

Methodology Project efforts were completed in accordance with NORTECH Hazardous Material Standardized Methods (v19). Project work was performed by an experienced Health and Safety Professional with current Environmental Protection Agency (EPA) Asbestos Hazard Emergency Response Act (AHERA) Building Inspector certification utilizing industrial hygiene inspection practices dedicated to the anticipation, recognition, evaluation and control of those materials within workplaces. Work was reviewed and signed off by a registered Professional Engineer.

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Suspected asbestos samples were sent to International Asbestos Testing Laboratories (iATL) in Mt. Laurel, New Jersey, a laboratory certified through the National Voluntary Laboratory Accreditation Program. The samples were analyzed by Phase Light Microscopy (PLM) using the EPA 600/R-93/116 Method or PLM-NOB. Based on the PLM results, selected materials were analyzed using the PLM point count method to more accurately determine the asbestos content.

Quantification of lead-in-paint was performed according to NIOSH 7702, using a Thermo Fisher NITON XLp-303A x-ray fluorescence instrument (XRF), providing EPA accepted real-time, on-site sample results.

Field Activities NORTECH personnel Ty Hughes (AHERA Cert # TBI4-321-15147) arrived at the Site on November 8, 2021 and conducted the limited HMA November 8-9, 2021. ADOT personnel Hannah Seaman assisted with Site access. NORTECH conducted an assessment of the interior and exterior of the buildings on Lot 3 and Lot 5A of Block 1400 at the Kodiak airport. Both buildings were wood frame construction with concrete floors, walls that had plywood and/or gypsum wall board, and gypsum wall board ceilings.

Lot 5’s roof was metal sheeting on top of felt and plywood and Lot 3’s was made with roof shingles and tarpaper on top of plywood. A complete visual assessment of the roofs of the buildings was not completed due to safety concerns about the structural integrity of the buildings.

Lot 3 and 5A had above ground fuel storage tanks (ASTs) on their properties. Lot 5 has a single 500-gal AST that is along the north side of the building that is empty and disconnected. Lot 3 has two ASTs on the property. The first is a 500-gal tank located off the south side of the building and could not be assessed as it was encased in a concrete housing that prevented visual inspection of most of the AST. The second tank on Lot 3 was located behind the building on the east side.

Asbestos NORTECH collected a total of 13 samples of suspected ACM from buildings located on Lot 3 and nine samples from buildings located on Lot 5A. Asbestos sample locations are shown in Figures 2-3, Appendix 1.

Lead-Based Paint NORTECH analyzed 9 locations on painted surfaces for LBP throughout the building on Lot 3 and 16 locations from the buildings on Lot 5A. Painted walls, doors, cabinets and painted portions of concrete were assessed for the presence of LBP. Lead-based paint sample locations are shown in Figures 2-3, Appendix 1.

Polychlorinated Biphenyls (PCBs) PCB investigation was limited to the assessment of fluorescent lighting ballasts. Lighting fixtures were spot-checked for markings indicating PCB containing components. Spot checks of two accessible florescent ballasts on Lot 3 did not reveal “No PCBs” statements on the ballasts.

Spot checks of three ballasts on Lot 5A revealed two ballasts had “No PCBs” statements. A PCB statement was not observed on the third ballast.

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Other Items Requiring Special Handling In addition to the ACM assessment, NORTECH visually inspected for miscellaneous hazardous materials that may potentially be disturbed during the project scope. Other hazardous materials not discussed above were identified within the buildings, but were either not in an area that may be impacted by the current scope of work or could be moved if affected by said activities (such as fire extinguishers and lead-acid batteries).

Results and Discussion The following is a discussion of sample results with analysis by hazardous material type. A copy of the laboratory report is also included as Appendix 3.

Asbestos ACM is typically categorized into three categories: Friable, Category I Non-friable, and Category II Non-friable. These categories are based on the potential of the material to release fibers into the air and create a potential exposure risk. Friable material can be reduced to powder or dust with hand pressure, while non-friable material cannot be crushed with hand pressure. Non-friable material may also become friable under some conditions. Asbestos results are discussed and analyzed below by category. Figures 2-3 in Appendix 1 show the location of samples submitted for asbestos analysis.

Materials that contain greater than 1% asbestos are considered regulated ACM and require special handling during demolition or removal of materials. Of the materials sampled for analysis of ACM, none contained concentrations of asbestos above the regulatory limit of 1%.

All submitted samples were non-detect for the presence of asbestos.

Lead The XRF instrument provided real-time lead analysis measurements of painted surfaces on and within the project area. Although not directly applicable to this renovation project, the HUD LBP threshold for XRF analysis is 1 mg/cm2. Sample locations and results are presented in Appendix 1. Painted surfaces tested within the project area had XRF LBP concentrations of 0.0 mg/cm2 to 0.6 mg/cm2. The paint is not considered lead-based paint and no special requirements are associated with the painted building materials.

Other Items Requiring Special Handling NORTECH inspected standard building-related fixtures, such as lighting and thermostats.

Fluorescent bulb counts are approximate for Lot 3 as part of the ceiling had collapsed and broken bulbs were observed on the floor. Lead-acid battery counts for Lot 3 are also approximate as they do not include batteries that may be within the abandoned vehicles on the lot. The following potentially hazardous items were observed at the facility during the field inspections are:

Lot 3 o Mercury-containing fluorescent bulbs 30 each o Potential PCB Containing fluorescent Ballasts 15 each o Fire Extinguishers 8 each o Lead-acid batteries 6 each o Miscellaneous chemicals, lubricants, fuel containers not counted o Abandoned vehicles 46 each o Motorhome 1 each

Lot 5A

Page 5https://nortechinc.sharepoint.com/00-jobs/2021/2502/Shared Documents/Reports/Kodiak/Kodiak Airport Buildings HMA_20211215.docx o Mercury-containing fluorescent bulbs 14 each o Potential PCB Containing fluorescent Ballasts 7 each o Fire Extinguishers 1 each o Lead-acid batteries 13 each o Portable propane tanks 3 each o Miscellaneous chemicals, lubricants, fuel containers not counted

If fluorescent light ballasts are removed as part of demolition activities and not reused in other buildings, each ballast should be inspected for stickers or wording that indicate the ballast is PCB free. If such documentation cannot be found, the fluorescent ballast should be assumed to contain PCBs and be disposed of in accordance with local, State, and Federal regulations. A spot check of one of the ballasts showed “No PCB” wording on two of the three ballasts inspected on Lot 5A (Photo 15, Appendix 2), but no “No PCBs” wording was observed on ballasts spot checked on Lot 3 (Photo 16, Appendix 2). If fluorescent lights and ballasts are in good condition, they can be removed and re-used in ballasts not affected by the project. If bulbs are not re-used, they should be disposed of in accordance with local, State, and Federal regulations.

Fire Extinguishers can also be re-used in locations not affected by the project if they remain in good working condition. Otherwise, they should be disposed of in accordance with local, State, and Federal regulations.

NORTECH observed numerous chemicals, lubricants, and coolants associated with the repair and maintenance of vehicles on both Lot 3 and Lot 5A (Photos 12-13, Appendix 2). A total of 19 lead-acid batteries were also observed throughout the two lots (Photos 3,11, Appendix 2).

Chemicals, lubricants, coolants, and batteries located on the two lots should be collected and disposed of in accordance with local, State, and Federal regulations. Once batteries have been removed from both lots, a visual inspection of soils in areas where batteries were stored outside should occur. If indications of soil staining from leaking batteries is observed, further investigation and laboratory testing of the soils may be needed.

A total of 46 abandoned vehicles, 1 motorhome (Photo 6, Appendix 2), and various outboard boat motors (Photo 4, Appendix 2) were also found on Lot 3. The vehicles and motorhome may contain lead-acid batteries. In addition, the vehicles, motorhome, and outboard motors should also be assumed to contain fuel, lubricants, and coolants that should be disposed of in accordance with local, State, and Federal regulations. Once the vehicles, motorhome, and outboard motors have been removed from Lot 3, a visual assessment of the ground surface should be conducted to determine if fluids or batteries contained within the engines and motors have leaked and potentially impacted Site soils. If indications of soil staining from fluids or batteries are observed, further investigation and laboratory testing of soils may be needed.

Three 500-gallon fuel tanks were observed between the two lots. One 500-gallon AST was labeled as containing diesel (Photo 14, Appendix 2) and located on Lot 5A. Two ASTs were located on Lot 3. Based on the dispenser observed on one of the 500-gallon ASTs on Lot 3 (Photo 2, Appendix 2) and the number of abandoned vehicles present on that lot, it is likely the AST with the dispensing pump may have contained gasoline. All observed tanks were in poor condition and should not be reused. All ASTs on Lot 3 and Lot 5A should be disconnected from any remaining piping, pumped of any residual fuel they may contain, and properly disposed of according to local, State, and Federal regulations.

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Once the tanks have been removed, a visual inspection of soils around the tanks should occur.

If visual or olfactory cues indicate the possibility of soil contamination, further investigations and laboratory testing of soils may be needed.

NORTECH observed a floor drain within the garage section of the building located on Lot 3 (Photos 7-8, Appendix 2). Standing fluid was observed in the drain and NORTECH noted the fluid appeared to be oily and may contain petroleum products. It is not known if the floor drain is connected to an oil/water separator, municipal sewer, or if it discharges to the ground. The outlet for the floor drain should be investigated once the building on Lot 3 has been demoed and if the concrete pad is also removed. If visual or olfactory cues indicate that soils under or around the floor drain may have been impacted by petroleum or other contaminants, further investigation and laboratory testing of soils may be needed.

Conclusions and Recommendations Based on the observations and findings of this hazardous materials assessment, the following conclusions and recommendations have been developed for the project:

Asbestos Containing Material

No asbestos containing materials were identified during the limited HMA These findings should be incorporated into design and renovation documents

Lead-Based Paint

No lead-based paint was identified during the limited HMA These findings should be incorporated into design and renovation documents

Other Hazardous Materials

Potentially hazardous materials identified included:

o Mercury-containing fluorescent light tubes o Potential PCB containing fluorescent ballasts

Each ballast should be inspected if it is affected by the planned demolition If affected by renovations, all PCB containing ballasts should be removed prior to demolition and disposed of properly o Fire extinguishers

If in good condition, fire extinguishers can be reused in other buildings If not reused, dispose of properly prior to demolition o Misc. chemicals, lubricants, and coolants Removed prior to demolition and disposed of properly o Lead-acid batteries Removed prior to demolition and disposed of properly Inspect soils under batteries stored outside for signs of contamination from leaking batteries Further investigation may be needed if signs of contamination are observed o Abandoned vehicles, motorhome, outboard motors

Removed prior to demolition and disposed of properly Once removed, inspect soils for evidence of contamination Further investigation may be needed if signs of contamination are observed o Fuel Storage Tanks

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Remove prior to demolition and dispose of properly Once removed, inspect soils for evidence of contamination Further investigation may be needed if signs of contamination are observed o Floor drain

After demolition, inspect soils around the floor drain for signs of contamination

Further investigation may be needed if signs of contamination are observed

This limited HMA was conducted to identify potential ACM, LBP, other hazards, and associated regulatory constraints involved with management, abatement, and disposal of materials identified during the anticipated demolition of buildings on Lots 3 and 5A of the Kodiak Airport.

Specific abatement work practices may require additional sampling to comply with the Occupational Safety and Health Administration worker exposure regulatory guidelines.

NORTECH recommends the findings of this limited HMA be incorporated into the design documents.

All information about hazardous materials associated with this project should be made available to employees, contractors, and abatement/demolition contractors associated with this project.

This hazardous materials assessment report is intended for informational purposes only. A project-specific demolition work plan should be developed for all planned abatement and demolition activities associated with demolition of the buildings on Lots 3 and 5A of the Kodiak Airport. This work plan should identify salvageable items (such as fluorescent light ballasts and bulbs), address hazardous material to be handled and disposed of, address all non-hazardous waste streams, and identify work practices methods and means. The work plan should also provide qualifications and certifications of all workers and identify all disposal facilities that will receive wastes from the project.

We trust this information is adequate for your needs at this time. If you have any questions or require additional information, please contact NORTECH at your convenience.

Sincerely, NORTECH

Appendix: 1) Figures

2) Photos

3) Laboratory Report

4) NORTECH Standard Methods

Primary Author Signature

Principal Reviewer

Jennifer Stoutamore Staff Professional AHERA Building Inspector Cert # T-28407-39726

Jason Ginter, PMP Principal, Juneau Technical Manager

Appendix 1 Figures

PROJECT

LOCATION

PROJECT

LOCATION

PROJECT

LOCATION

L3A-2

L3A-9

L3A-1

L3A-4

L3A-5

L3A-3 L3A-10

L3A-7

L3A-12

L3A-11

L3A-13

L3A-8

L3A-6

L3L-4

L3L-5

L3L-2

L3L-2

L3L-1

L3L-6

L3L-7

L3L-8

L3L-9

LEGEND

ASBESTOS SAMPLE LOCATIONS

NEGATIVE (<1% ASBESTOS)

ASBESTOS SAMPLE LOCATIONS

POSITIVE ( >1% ASBESTOS)

SEE ASBESTOS TABULATED RESULTS

FOR ACM SAMPLE NUMBER

LEAD BASED PAINT SAMPLE

(<1mg/cm sq)(HUD)

LEAD BASED PAINT SAMPLE

(>1mg/cm sq)(HUD)

SEE LEAD BASED PAINT TABULATION

RESULTS FOR CONCENTRATION FOR LEAD

SAMPLE NUMBER

STORAGE

AST 2

Lot 3 Asbestos Sample Results (Method EPA 600/R-93/116)

Sample ID Description Result L3A1 white drywall ND L3A1 white joint compound ND L3A2 white drywall ND L3A2 white joint compound ND L3A3 drywall ND L3A3 white joint compound ND L3A4 white joint compound ND L3A5 white drywall ND L3A5 off-white joint compound ND L3A6 white drywall ND L3A7 white drywall ND L3A8 white drywall ND L3A8 off-white joint compound ND L3A9 white drywall ND L3A9 off-white joint compound ND

L3A-10 tan mastic ND L3A-11 black roof shingle ND L3A-11 black tar paper ND L3A-12 white caulking ND L3A-13 gray caulking ND

Lot 3 Lead Sample Results (XRF NITON)

Sample ID Color Surface Substrate Result (mg/cm^2) L3L-1 gray siding wood 0.00 L3L-2 gray wall concrete 0.00 L3L-3 white wall plywood 0.00 L3L-4 gray wall plywood 0.00 L3L-5 white door fiberglass 0.10 L3L-6 white wall plywood 0.00 L3L-7 white wall plywood 0.00 L3L-8 gray floor concrete 0.00 L3L-9 white wall drywall 0.00

AST 3

L5L-14 L5A-4 L5L-13 L5A-7 L5L-12

L5L-11

L5L-5

L5A-5

L5A-8

L5A-3

L5L-15

L5L-4

L5L-9

L5L-10

L5A-6

L5A-9

L5L-7

L5L-8 L5L-6

L5L-1

L5L-3

L5L-2

L5A-1

AST 1

LEGEND

ASBESTOS SAMPLE LOCATIONS

NEGATIVE (<1% ASBESTOS)

ASBESTOS SAMPLE LOCATIONS

POSITIVE ( >1% ASBESTOS)

SEE ASBESTOS TABULATED RESULTS

FOR ACM SAMPLE NUMBER

LEAD BASED PAINT SAMPLE

(<1mg/cm sq)(HUD)

LEAD BASED PAINT SAMPLE

(>1mg/cm sq)(HUD)

SEE LEAD BASED PAINT TABULATION

RESULTS FOR CONCENTRATION FOR LEAD

SAMPLE NUMBER

Lot 5 Asbestos Sample Results (Method EPA 600/R-93/116)

Sample ID Description Result L5A-1 black roof material ND L5A-3 off-white drywall ND L5A-4 white drywall ND L5A-4 off-white joint compound ND L5A-5 off-white joint compound ND L5A-5 white ceiling texture ND L5A-6 white drywall ND L5A-6 white joint compound ND L5A-7 yellow/gray foam ND L5A-8 yellow foam ND L5A-9 yellow foam ND L5A-9 tan rubber ND

Lot 5 Lead Sample Results (XRF NITON)

Sample ID Color Surface Substrate Result (mg/cm^2) L5L-1 beige exterior wall plywood 0.00 L5L-2 white trim wood 0.22 L5L-3 dark gray door fiberglass 0.00 L5L-4 light yellow exterior wall plywood 0.00 L5L-5 white garage door fiberglass 0.00 L5L-6 gray door fiberglass 0.00 L5L-7 white wall drywall 0.00 L5L-8 yellow footer concrete 0.00 L5L-9 metallic gray wall plywood 0.00

L5L-10 red wall plywood 0.00 L5L-11 yellow electrical box metal 0.4 L5L-12 red outlet metal 0.00 L5L-13 white wall drywall 0.00 L5L-14 light gray wall drywall 0.00 L5L-15 red flammable cabinet metal 0.6 L5L-16 white wall drywall 0.00

Appendix 2 Site Photographs https://nortechinc.sharepoint.com/00-jobs/2021/2502/Shared Documents/Images/Kodiak/Kodiak HMA Photo Pages_V1.docx

Lots 3 and 5A, Kodiak Airport

Photo 1: Lot 3 building. Note the abandoned vehicles on the property and roof damage on the upper left corner.

Photo 2: Outbuilding on Lot 3 housing a 500-gallon AST, presumed to have dispensed gasoline.

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Photo 3: Example of various universal wastes improperly stored throughout Lot 3. Note the lead-acid batteries (center of photo) and compressed gas cylinder (lower right corner).

Photo 4: Miscellaneous wastes stored on Lot 3’s outbuilding. Note the outboard motor, fuel containers and compressed gas cylinders.

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Photo 5: Semi-truck trailer and boat stored on Lot 3. NORTECH could not access the interior of the trailer.

Photo 6: Motorhome stored on Lot 3.

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Photo 7: Interior of garage portion of main building on Lot 3. Note the floor drain in the center of the photo.

Photo 8: Close up of floor drain in garage on Lot 3.

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Photo 9: Exterior of building on Lot 5A.

Photo 10: Interior of the main building on Lot 5A. The room to the right appears to be a former shop area, the room to the left appears to have been used as a living space.

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Photo 11: Stack of lead-acid batteries observed in the shop area of the main building on Lot

5A.

Photo 12: Example of chemicals, lubricants, and coolants located within the shop area of the main building of Lot 5A.

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Photo 13: Example of used oil stored within the shop area of the main building on Lot 5A.

Photo 14: Example of a 500-gallon diesel fuel tank located on Lot 5A. The tank is in poor condition and should not be reused.

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Photo 15: Example of a “No PCBs” fluorescent ballast from Lot 5A.

Photo 16: Example of a fluorescent ballast without a “No PCBs” indicator on the sticker from

Lot 3.

Appendix 3 Laboratory Report

Lab No.: 7316893 Client No.: L3A1

Description: White Drywall Client Description: Texture, JC, Tape, and

GWB

Location: Interior Ceiling of Far Left Garage Facility:

Percent Asbestos:

Sample Not Analyzed

Percent Non-Asbestos Fibrous Material:

Percent Non-Fibrous Material:

Not analyzed - not NOB material

Lab No.: 7316894 Client No.: L3A2

Location: Interior Back Wall of Far Left Garage

Lab No.: 7316895 Client No.: L3A3

Location: Right Wall Middle of Garage

Lab No.: 7316896 Client No.: L3A4

Description: White Joint Compound

Location: Left Wall Middle of Garage

Lab No.: 7316897 Client No.: L3A5

Location: Ceiling of Middle of Garage

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to the Appendix of this report for further information regarding your analysis.

Signature:

Ellen Smith

11/22/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM NOB Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

PLM NOB SAMPLE ANALYSIS SUMMARY

Client: NOR543

Rev #4, 11/30/2021

Dated : 11/30/2021 3:26:54 Page 1 of 5

Lab No.: 7316898 Client No.: L3A6

Location: Ceiling of Office

Lab No.: 7316899 Client No.: L3A7

Location: Inside Bathroom of Right Exterior Wall

Lab No.: 7316900 Client No.: L3A8

Location: Right Next to Office Entrance Door

Lab No.: 7316901 Client No.: L3A9

Location: Far Left Wall in the Far Left Garage

Lab No.: 7316902 Client No.: L3A-10

Description: Tan Mastic Client Description: Grey Top Layer and Brown Mastic

Location: Bathroom Floor

None Detected

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to the Appendix of this report for further information regarding your analysis.

Signature:

Ellen Smith

11/22/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM NOB Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

PLM NOB SAMPLE ANALYSIS SUMMARY

Client: NOR543

Dated : 11/30/2021 3:26:54 Page 2 of 5

Lab No.: 7316903 Client No.: L3A-11

Description: Black Shingle Client Description: Roof Shingle, Felt , and Tar

Location: Roof Sample

3.2 Fibrous Glass

17.9

Lab No.: 7316903(L2)

Description: Black Tar Paper Client Description: Roof Shingle, Felt , and Tar

0.2

Lab No.: 7316904 Client No.: L3A-12

Description: White Caulk Client Description: White Caulk

Location: Office Window on the Front Side of Building

5.6

Lab No.: 7316905 Client No.: L3A-13

Description: Grey Caulk Client Description: Grey Caulk

Location: Office Window on the Left Side of

58.4

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to the Appendix of this report for further information regarding your analysis.

Signature:

Ellen Smith

11/22/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM NOB Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

PLM NOB SAMPLE ANALYSIS SUMMARY

Client: NOR543

Dated : 11/30/2021 3:26:54 Page 3 of 5

Appendix to Analytical Report:

Customer Contact: Jen Stoutamore Method: ELAP Section 198.6

This appendix seeks to promote greater understanding of any observations, exceptions, special instructions, or circumstances that the laboratory needs to communicate to the client concerning the above samples. The information below is used to help promote your ability to make the most informed decisions for you and your customers.

Please note the following points of contact for any questions you may have.

iATL Customer Service: customerservice@iatl.com iATL Office Manager: cdavis@iatl.com iATL Account Representative: Semih Kocahasan Sample Login Notes: See Batch Sheet Attached Sample Matrix: Bulk materials described as Non Fibrous Organically Bound such as FT, SVF, M, RM, Tar, Tar Paper, Shingle, CB etc.

Exceptions Noted: See Following Pages

General Terms, Warrants, Limits, Qualifiers:

General information about iATL capabilities and client/laboratory relationships and responsibilities are spelled out in iATL policies that are listed at www.iATL.com and in our Quality Assurance Manual per ISO 17025 standard requirements. The information therein is a representation of iATL definitions and policies for turnaround times, sample submittal, collection media, blank definitions, quantification issues and limit of detection, analytical methods and procedures, sub-contracting policies, results reporting options, fees, terms, and discounts, confidentiality, sample archival and disposal, and data interpretation.

iATL warrants the test results to be of a precision normal for the type and methodology employed for each sample submitted. iATL disclaims any other warrants, expressed or implied, including warranty of fitness for a particular purpose and warranty of merchantability. iATL accepts no legal responsibility for the purpose for which the client uses test results. Any analytical work performed must be governed by our Standard Terms and Conditions. Prices, methods and detection limits may be changed without notification. Please contact your Customer Service Representative for the most current information.

This confidential report relates only to those item(s) tested and does not represent an endorsement by NIST-NVLAP, AIHA LAP LLC, or any agency of local, state or province governments nor of any agency of the U.S. government.

This report shall not be reproduced except in full, without written approval of the laboratory.

Information Pertinent to this Report:

Analysis by ELAP Section 198.6

Certifications:

- NIST-NVLAP No. 101165-0

- NYSDOH-ELAP No. 11021

- AIHA-LAP, LLC No. 100188

All results are based on the samples as received at the lab. iATL assumes that appropriate sampling methods have been used and that the data upon which these results are based have been accurately supplied by the client.

Quantification at <0.25% by volume is possible with this method.

(PC) Indicates Stratified Point Count Method performed.

(PC-Trace) means that asbestos was detected but is not quantifiable under the Point Counting regimen.

Analysis includes all distinct separable layers in accordance with EPA 600 Method. If not reported or otherwise noted, layer is either not present or the client has specifically requested that it not be analyzed (ex. analyze until positive instructions).

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering 5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM NOB Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

Client: NOR543

Page 4 of 5Dated : 11/30/2021 3:26:54

Small asbestos fibers may be missed by PLM due to resolution limitations of the optical microscope. Therefore, PLM is not consistently reliable in detecting asbestos in non-friable organically bound (NOB) materials. Quantitative transmission electron microscopy (TEM) is currently the only method that can pronounce materials as non-asbestos containing.

Disclaimers / Qualifiers:

There may be some samples in this project that have a "NOTE:" associated with a sample result. We use added disclaimers or qualifiers to inform the client about something that requires further explanation. Here is a complete list with highlighted disclaimers pertinent to this project.

For a full explanation of these and other disclaimers, please inquire at customerservice@iatl.com.

1) Note: No mastic provided for analysis.

2) Note: Insufficient mastic provided for analysis.

3) Note: Insufficient material provided for analysis.

4) Note: Insufficient sample provided for QC reanalysis.

5) Note: Different material than indicated on Sample Log / Description.

6) Note: Sample not submitted.

7) Note: Attached to asbestos containing material.

8) Note: Received wet.

9) Note: Possible surface contamination.

10) Note: Not building material. 1% threshold may not apply.

11) Note: Recommend TEM-NOB analysis as per EPA recommendations.

12) Note: Asbestos detected but not quantifiable.

13) Note: Multiple identical samples submitted, only one analyzed.

14) Note: Analyzed by EPA 600/R-93/116. Point Counting detection limit at 0.080%.

15) Note: Analyzed by EPA 600/R-93/116. Point Counting detection limit at 0.125%.

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering 5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM NOB Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

Page 5 of 5Dated : 11/30/2021 3:26:54

Lab No.: 7316893

2 Cellulose 2 Fibrous Glass

Lab No.: 7316893(L2)

Lab No.: 7316894

2 Cellulose 1 Fibrous Glass

Lab No.: 7316894(L2)

Lab No.: 7316895

1 Cellulose

Lab No.: 7316895(L2)

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to pages 1 through 4 of this report for further information regarding your analysis.

Signature:

Michael Moore

11/17/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM Screen Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

BULK SAMPLE ANALYSIS SUMMARY

Client: NOR543

Dated : 11/30/2021 3:26:55 Page 1 of 7

Lab No.: 7316896 Client No.: L3A4

Location: Left Wall Middle of Garage

Lab No.: 7316897

1 Fibrous Glass

Lab No.: 7316897(L2)

Description: Off-White Joint Compound

Lab No.: 7316898 Client No.: L3A6

Lab No.: 7316899 Client No.: L3A7

Location: Inside Bathroom of Right Exterior Wall

Lab No.: 7316900

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to pages 1 through 4 of this report for further information regarding your analysis.

Signature:

Michael Moore

11/17/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM Screen Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

BULK SAMPLE ANALYSIS SUMMARY

Client: NOR543

Dated : 11/30/2021 3:26:55 Page 2 of 7

Lab No.: 7316900(L2)

Lab No.: 7316901

Lab No.: 7316901(L2)

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to pages 1 through 4 of this report for further information regarding your analysis.

Signature:

Michael Moore

11/17/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM Screen Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

BULK SAMPLE ANALYSIS SUMMARY

Client: NOR543

Dated : 11/30/2021 3:26:55 Page 3 of 7

Lab No.: 7316902 Client No.: L3A-10

Description: Tan Mastic

Location: Bathroom Floor

Lab No.: 7316903

Description: Black Shingle

10 Fibrous Glass

Lab No.: 7316903(L2)

Description: Black Tar Paper

50 Cellulose

Lab No.: 7316904 Client No.: L3A-12

Description: White Caulk

Location: Office Window on the Front Side of

Lab No.: 7316905 Client No.: L3A-13

Description: Grey Caulk

Location: Office Window on the Left Side of

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to pages 1 through 4 of this report for further information regarding your analysis.

Signature:

Sarah Lipiecki

11/18/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM Screen Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

BULK SAMPLE ANALYSIS SUMMARY

Client: NOR543

Dated : 11/30/2021 3:26:55 Page 4 of 7

Analysis: US EPA 600, R93-116

This appendix seeks to promote greater understanding of any observations, exceptions, special instructions, or circumstances that the laboratory needs to communicate to the client concerning the above samples. The information below is used to help promote your ability to make the most informed decisions for you and your customers. Please note the following points of contact for any questions you may have.

iATL Customer Service: customerservice@iatl.com iATL Office Manager: cdavis@iatl.com iATL Account Representative: Semih Kocahasan

Project Summary:

Sample Login Notes: See Batch Sheet Attached Sample Matrix: Bulk Building Materials Exceptions Noted: See Following Pages

General Terms, Warrants, Limits, Qualifiers:

General information about iATL capabilities and client/laboratory relationships and responsibilities are spelled out in iATL policies that are listed at www.iATL.com and in our Quality Assurance Manual per ISO 17025 standard requirements. The information therein is a representation of iATL definitions and policies for turnaround times, sample submittal, collection media, blank definitions, quantification issues and limit of detection, analytical methods and procedures, sub-contracting policies, results reporting options, fees, terms, and discounts, confidentiality, sample archival and disposal, and data interpretation.

iATL warrants the test results to be of a precision normal for the type and methodology employed for each sample submitted. iATL disclaims any other warrants, expressed or implied, including warranty of fitness for a particular purpose and warranty of merchantability. iATL accepts no legal responsibility for the purpose for which the client uses test results. Any analytical work performed must be governed by our Standard Terms and Conditions. Prices, methods and detection limits may be changed without notification. Please contact your Customer Service Representative for the most current information.

This confidential report relates only to those item(s) tested and does not represent an endorsement by NIST-NVLAP, AIHA LAP LLC, or any agency of local, state or province governments nor of any agency of the U.S. government.

This report shall not be reproduced except in full, without written approval of the laboratory.

Information Pertinent to this Report:

Analysis by US EPA 600 93-116: Determination of Asbestos in Bulk Building Materials by Polarized Light Microscopy (PLM).

Quantification at <0.25% by volume is possible with this method. (PC) Indicates Stratified Point Count Method performed. (PC-Trace) means that asbestos was detected but is not quantifiable under the Point Counting regimen. Analysis includes all distinct separable layers in accordance with EPA 600 Method. If not reported or otherwise noted, layer is either not present or the client has specifically requested that it not be analyzed (ex. analyze until positive instructions). Small asbestos fibers may be missed by PLM due to resolution limitations of the optical microscope. Therefore, PLM is not consistently reliable in detecting asbestos in non-friable organically bound (NOB) materials. Quantitative transmission electron microscopy (TEM) is currently the only method that can pronounce materials as non-asbestos containing.

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering 5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM Screen Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

Page 5 of 7Dated : 11/30/2021 3:26:55

Analytical Methodology Alternatives: Your initial request for analysis may not have accounted for recent advances in regulatory requirements or advances in technology that are routinely used in similar situations for other qualified projects. You may have the option to explore additional analysis for further information. Below are a few options, listed as the matrix followed by the appropriate methodology. Also included are links to more information on our website.

Bulk Building Materials that are Non-Friable Organically Bound (NOB) by Gravimetric Reduction techniques employing PLM and TEM:

ELAP 198.6 (PLM-NOB), ELAP 198.4 (TEM-NOB)

Loose Fill Vermiculite Insulation, Attic Insulation, Zonolite (copyright), etc.: US EPA 600 R-4/004 (multi-tiered analytical process) Sprayed On Insulation/Fireproofing with Vermiculite (SOF-V): ELAP 198.8 (PLM-SOF-V)

Soil, sludge, sediment, aggregate, and like materials analyzed for asbestos or other elongated mineral particles (ex. erionite, etc.): ASTM D7521, CARB 435, and other options available

Asbestos in Surface Dust according to one of ASTM's Methods (very dependent on sampling collection technique – by TEM): ASTM D 5755, D5756, or D6480

Various other asbestos matrices (air, water, etc.) and analytical methods are available.

Disclaimers / Qualifiers:

There may be some samples in this project that have a "NOTE:" associated with a sample result. We use added disclaimers or qualifiers to inform the client about something that requires further explanation. Here is a complete list with highlighted disclaimers pertinent to this project.

For a full explanation of these and other disclaimers, please inquire at customerservice@iatl.com.

1) Note: No mastic provided for analysis.

2) Note: Insufficient mastic provided for analysis.

3) Note: Insufficient material provided for analysis.

4) Note: Insufficient sample provided for QC reanalysis.

5) Note: Different material than indicated on Sample Log / Description.

6) Note: Sample not submitted.

7) Note: Attached to asbestos containing material.

8) Note: Received wet.

9) Note: Possible surface contamination.

10) Note: Not building material. 1% threshold may not apply.

11) Note: Recommend TEM-NOB analysis as per EPA recommendations.

12) Note: Asbestos detected but not quantifiable.

13) Note: Multiple identical samples submitted, only one analyzed.

14) Note: Analyzed by EPA 600/R-93/116. Point Counting detection limit at 0.080%.

15) Note: Analyzed by EPA 600/R-93/116. Point Counting detection limit at 0.125%.

Recommendations for Vermiculite Analysis:

Several analytical protocols exist for the analysis of asbestos in vermiculite. These analytical approaches vary depending upon the nature of the vermiculite mineral being tested (e.g. un-processed gange, homogeneous exfoliated books of mica, or mixed mineral composites).

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering 5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM Screen Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

Page 6 of 7Dated : 11/30/2021 3:26:55

IATL recommends initial testing using the EPA 600/R-93/116 method. This method is specifically designed for the analysis of asbestos in bulk building materials. It provides an acceptable starting point for primary screening of vermiculite for possible asbestos.

Results from this testing may be inconclusive. EPA suggests proceeding to a multi-tiered analysis involving wet separation techniques in conjunction with PLM and TEM gravimetric analysis (EPA 600/R-04/004).

Further information on this method and other vermiculite and asbestos issues can be found at the following: Agency for Toxic Substances and Disease Registry (ATSDR) www.atsdr.cdc.gov, United States Geological Survey (USGS) www.minerals.usgs.gov/minerals/, US EPA www.epa.gov/asbestos. The USEPA also has an informative brochure "Current Best Practices for Vermiculite Attic Insulation" EPA 747F03001 May 2003, that may assist the health and remediation professional.

The following is a summary of the analytical process outlines in the EPA 600/R-04/004 Method:

1)Analytical Step/Method: Initial Screening by PLM, EPA 600R-93/116 Requirements/Comments: Minimum of 0.1 g of sample. ~0.25% LOQ for most samples.

Pricing/Turnaround Time: Please contact your client representative for options available.

2)Analytical Step/Method:Wet Separation by PLM Gravimetric Technique, EPA R-04/004 Requirements/Comments: Minimum 50g** of dry sample. Analysis of "Sinks" only.

Pricing/Turnaround Time: Please contact your client representative for options available.

3)Analytical Step/Method:Wet Separation by PLM Gravimetric Technique, EPA R-04/004 Requirements/Comments: Minimum 50g** of dry sample. Analysis of "Floats" only.

Pricing/Turnaround Time: Please contact your client representative for options available.

4)Analytical Step/Method:Wet Separation by TEM Gravimetric Technique, EPA R-04/004 Requirements/Comments: Minimum 50g** of dry sample. Analysis of "Sinks" only.

Pricing/Turnaround Time: Please contact your client representative for options available.

5)Analytical Step/Method:Wet Separation by TEM Gravimetric Technique, EPA R-04/004 Requirements/Comments: Minimum 50g** of dry sample. Analysis of "Suspension" only.

Pricing/Turnaround Time: Please contact your client representative for options available.

LOQ, Limit of Quantitation estimates for mass and volume analyses.

*With advance notice and confirmation by the laboratory.

**Approximately 1 Liter of sample in double-bagged container (~9x6 inch bag of sample).

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering 5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647538 - PLM Screen Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

Page 7 of 7Dated : 11/30/2021 3:26:55

Lab No.: 7316906 Client No.: L5A-1

Description: Black Roof Material Client Description: Felt and Tar

Location: Under Metal Roofing

2.9

Lab No.: 7316907 Client No.: L5A-2

Description: Sample Not Analyzed Client Description: Texture, Tape, and GWB

Location: Wall That Was Constructed to Make an Office

Lab No.: 7316908 Client No.: L5A-

Description: Off-White Drywall

Location: Wall on the Left Side of the Building

Lab No.: 7316909 Client No.: L5A-4

Location: Wall at the Back of the Building

Lab No.: 7316910 Client No.: L5A-5

Location: Wall on the Right Side of the Building

Lab No.: 7316911 Client No.: L5A-6

Laboratory Director

Approved By:

Date Analyzed:

11/12/2021Date Received:

Analyst:

Please refer to the Appendix of this report for further information regarding your analysis.

Signature:

Ellen Smith

11/22/2021 Frank E. Ehrenfeld, III

9000 Commerce Parkway Suite B Mt. Laurel, New Jersey 08054

Telephone: 856-231-9449 Email: customerservice@iatl.com

CERTIFICATE OF ANALYSIS

Client: Nortech Engineering

5438 Shaune Drive Juneau AK 99801

11/22/2021Report Date:

Report No.: 647539 - PLM NOB Project: RMCI So. Coast Airports Bldg A Project No.: 21-2502

PLM NOB SAMPLE ANALYSIS SUMMARY

Client: NOR543

Rev #3, 11/30/2021

Dated : 11/30/2021 3:27:17 Page 1 of 4

Lab No.: 7316912 Client No.: L5A-7

Description: Yellow/Grey Foam Client Description: Foam

Location: From Used to Seal Up ant Area That Used to Contain a Window

Lab No.: 7316913 Client No.: L5A-8

Descrip…