App_B_-_Maxim_HazMat_2004_Report.pdf

APPENDIX A

COMPREHENSIVE ASBESTOS SURVEY

UNITED STATES AIR FORCE ACADEMY - CADET CHAPEL - BUILDING

ENVELOPE RENOVATION – CONSTRUCTION DOCUMENTS (80%)

SUBMISSION

February 27, 2004 - (March 30, 2004)

Prepared by:

Technologies IncMAXIM

A TETRA TECH COMPANY

363 Centennial Parkway, Suite 210 Louisville, CO 80027-1269

COMPREHENSIVE ASBESTOS SURVEY

UNITED STATES AIR FORCE ACADEMY - CADET CHAPEL - BUILDING

ENVELOPE RENOVATION – CONSTRUCTION DOCUMENTS (80%)

SUBMISSION

February 27, 2004 - (March 30, 2004)

1.0 INTRODUCTION

2.0 METHODOLOGY

2.1 SAMPLING METHODOLOGY

2.2 ANALYTICAL METHODOLOGY

3.0 RESULTS

4.0 CONCLUSIONS

5.0 RECOMMENDATIONS

6.0 LIMITATIONS

Tables Table 3.1 Summary of Homogeneous Suspect ACMs, Locations, and Analytical Results Table 4.1 Summary of Homogeneous Materials, Condition, Classification, and Abatement Requirements

Figures (Included in Abatement Design Report) Figure 1 West Elevation Sampling Locations Figure 2 East Elevation Sampling Locations Figure 3 South Elevation Sampling Locations Figure 4 North Elevation Sampling Locations Figure 5 West Elevation RACM Locations – Fireproofing Insulation Figure 6 East Elevation RACM Locations – Fireproofing Insulation Figure 7 East Elevation ACM Locations – Pliable Caulking Figure 8 West Elevation ACM Locations – Pliable Caulking Figure 9 South Elevation RACM Locations – Window Glazing Compound Figure 10 North Elevation RACM Locations – Window Glazing Compound

Appendix A.1: Analytical Data Summary and Laboratory Reports i

1.0 INTRODUCTION

Skidmore, Owings, and Merrill (SOM) contracted Maxim Technologies, Inc. (Maxim) to conduct an asbestos survey to support Building Envelope Restoration of the United States Air Force Academy (USAFA) Cadet Chapel. The purpose of this survey is to identify, locate, quantify, and assess asbestos-containing materials (ACMs) that are expected to be disturbed by the restoration work currently planned for the Chapel. The information provided by this survey is intended to support the development of an asbestos abatement design document that presents management and removal practices that support the restoration activities, protect human health and the environment, and comply with applicable regulations.

The Chapel is an A-shaped structure that has sloped east and west sidewalls and vertical north and south end walls. The sloped sidewalls are formed from a series of interconnected tetrahedra (50 tetrahedra on each side wall) that together form the flutes and spires that characterize the chapel exterior. The tetrahedra are connected at their corners, and are arranged in three tiers. The lower tier is comprised of 34 tetrahedra (17 on each side wall) and the middle tier contains 32 tetrahedra (16 on each sidewall). The upper tier contains 34 tetrahedra that are connected in 17 pairs. Each upper tetrahedron-pair straddles the ridgeline of the chapel, represents a single volume, and forms one of the 17 spires of the chapel skyline.

The exterior of all of the tetrahedrons are cladded with aluminum. A strip of stained glass windows is located along the line of intersection formed by adjacent tetrahedrons. A series of protective glass window panels covers the stain glass strip windows. A triangular-shaped panel of glass windows is also located between each bottom tier tetrahedra. The north and south end-walls are formed of metal framing and laminated glass.

Five areas of the structure that are scheduled to be disturbed exhibit suspect ACMs. These areas, and the associated suspect ACMs that were surveyed, are listed below:

• Exterior east face: caulk on aluminum cladding, caulk/glazing compound on stained glass windows, and caulk on protective glass windows that cover the middle-tier stained glass windows.

• Exterior west face: caulk on aluminum cladding, caulk/glazing compound on stained glass windows, and caulk on protective glass windows that cover the middle-tier stained glass windows.

• Exterior north end: glazing compound/caulk on laminated glass windows.

• Exterior south end: glazing compound/caulk on laminated glass windows.

• Interior volumes of 100 tetrahedra: thermal insulation affixed to the inside surfaces of the exterior panels; fireproofing insulation present in the lower portions of select tetrhedra;

residual fireproofing insulation in seams, joints, cracks, or other narrow features in lower-tier tetrahedra; and plaster on the interior faces of tetrahedra that adjoin the interior of the chapel.

The survey was initiated in August 2003 with the preparation of a Health and Safety Plan and a Work Plan to support removal of selected aluminum panels for pilot testing. This initial phase of work provided information regarding the distribution of lead-based paint on surfaces that were scheduled to be disturbed; and the distribution of ACMs in lower-tier tetrahedra and the two middle- and two upper-tier tetrahedra that were scheduled for pilot testing.

The survey was completed in February 2004 when the remaining 30 middle-tier tetrahedra and 30 upper-tier tetrahedra (15 spire-pairs) were surveyed. The health and safety plan was modified to account for the use of a crane (rather than the Chapel’s moveable scaffolding system) for elevation.

The asbestos survey was conducted in accordance with all Federal, State, and local requirements including, but not limited to Colorado Regulation 8, USAFA Overarching Specifications and Asbestos Management Strategy, OSHA regulations, EPA AHERA protocol, and NESHAP protocol.

The remainder of this report includes the methodology used to complete the survey; the results of the physical inspection and assessment, including sample locations, laboratory analyses, and quantities and locations of ACMs identified; and the conclusions, recommendations and limitations of this survey.

2.0 METHODOLOGY

This survey involved identifying homogeneous suspect ACMs, evaluating the condition of these ACMS, obtaining representative samples, and conducting laboratory analyses to quantify asbestos content. The survey was conducted by Asbestos Hazard Emergency Response Act (AHERA)-Accredited and State of Colorado Certified Building Inspectors. All tetrahedrons were entered following confined-space protocol.

AHERA guidelines were followed in obtaining the required number of samples of each homogeneous material. In the middle and upper tier tetrahedrons, surfacing materials were sampled at a rate of at least three samples per 1,000 square feet; at least five samples for 1,000 to 5,000 square feet; and at least seven samples for areas greater than 5,000 square feet. In the lower tier tetrahedrons, historical documentation was combined with limited sampling to assume that these tetrahedra contain residual ACM in seams, joints, cracks, or other narrow features (ACM in the lower tetrahedrons was earlier partially abated by others). Miscellaneous materials (i.e. caulk and glazing compound) were collected in a manner sufficient to determine the presence or absence of asbestos. No thermal system insulation was identified in areas/materials scheduled to be disturbed during the Chapel restoration. All interior and exterior spaces of the structure that contained building materials expected to be disturbed by the restoration were visually inspected for condition and friability. All samples were collected in a random manner.

Because of the large number of similar units (tetrahedrons) to be inspected, and the evidence indicating that the blown-in insulation in the middle and upper tetrahedrons exhibited a degree of inhomogeneity, “functional space” protocol (as defined by AHERA) was used to collect samples of the insulation in the middle and upper tetrahedrons. Because the plaster exposed on the interior faces of the tetrahedrons did not exhibit evidence of inhomogeneity, plaster was visually assessed in all tetrahedrons, and sampled in approximately 20% of the tetrahedrons following the AHERA protocol for 1000 to 5000 square feet of surfacing material (generally 5 plaster samples per sampled tetrahedron). As a conservative measure, seven samples of insulation were often collected from the larger-volume upper tetrahedron pairs, even though only five samples are required by regulation.

2.1 Sampling Methodology

Homogeneous and/or less friable samples (i.e. plaster, caulk) were obtained by physically removing a small portion (approximately one square inch) of the material using a sharp instrument. All layers of the sampled material were penetrated, and the disturbance of the adjacent material was kept at a minimum. A polyurethane caulk (Sikaflex 1a, limestone color) was used to replace the existing caulk where it was removed for sampling.

Potentially less homogeneous and/or more friable samples (i.e. insulation) were obtained by hand while wearing nitrile gloves. Typically, relative large sample volumes of insulation (completely full small-size zip log bags) were collected to address the potential inhomogeneity of the samples.

Samples were placed into labeled containers and sealed. The sampling instrument was then wiped to remove materials that could contaminate the next sample. Each sample was labeled identifying the sample number and location. All samples were logged onto the field data sheets, which contain a brief description of the sample areas, inspector identification, date of inspection and a description of the material sampled. Sample locations are presented on Figures 1- 4 for the west, east, south, and north faces of the Chapel, respectively. Nitrile gloves were removed and discarded between each tetrahedron. Entrance hatches were re-attached with new screws and thoroughly caulked with the polyurethane caulk described above.

2.2 Analytical Methodology

All samples were delivered under chain-of custody to the NVLAP-accredited Analytica Solutions (12189 Pennsylvania Street, Thornton, Colorado) for analysis of asbestos content. The analytical procedure used by Analytica Solutions for the bulk samples was the EPA-recommended method 600/R-93/116, Polarized Light Microscopy with Dispersion Staining.

Analytica Solutions was instructed to point count all samples reported as trace and 1% asbestos that are not otherwise assumed to be ACM. One point count analysis was requested on one insulation sample that was reported as 2% asbestos in order to assess this material with the more precise method. The laboratory was further instructed to hold the samples for 6 months.

Laboratory results and chain-of-custody forms are presented in the appendices of this report.

3.0 RESULTS

Five homogeneous asbestos-containing materials that are expected to be disturbed by the Chapel restoration were identified during this survey. These materials were sampled, assessed, and submitted to the laboratory for analysis; analytical results are summarized, and the laboratory reports are presented, in Appendix A. The homogeneous materials, descriptions, material locations, and analytical results are summarized below; the ACMs are presented in bold.

Table 3.1. Summary of Homogeneous Suspect ACMs, Locations and Analytical Results Homogeneous Material General Material Locations Analytical Results

Light Grey Fireproofing Insulation

All lower tetrahedrons, six middle tetrahedrons, one upper tetrahedron

Up to 60% amosite asbestos detected

Newly Applied Monokote Insulation

Lower portions of lower tetrahedrons

No asbestos detected, assumed ACM since it is adhered to Light Grey Fireproofing Insulation

Dark-Grey/Green Insulation

Upper portions of lower tetrahedrons, all middle and upper tetrahedrons

None detected to trace amosite asbestos detected, assumed ACM in previously abated volumes. One sample result (point count) was reported as ACM (1.8% amosite) and will require additional delineation.

Internal Plaster All lower, middle, and upper tetrahedrons

No asbestos detected

End-Wall and Side- Wall Window Glazing Compound

All end-wall window seams and side-wall window seams on the lower Chapel level

Up to 20% chrysotile asbestos detected

Pliable Side-Wall Window and Seam Caulks and Sealants

Generally multi-layered and inseparable throughout side-walls and on aluminum cladding of end-walls

Up to 45% chrysotile asbestos detected

4.0 CONCLUSIONS

Based on the NESHAP 40 CFR, Part 61.141, ACMs can be grouped into three categories:

Friable, Non-friable Category I (resilient, pliable materials), and Non-friable Category II (materials other than Category I that cannot be rendered friable via hand pressure).

According to State and Federal Regulations, Regulated Asbestos-Containing Material (RACM), include Friable ACMs, Category I Non-friable ACMs that have become friable, and Category II Non-friable ACMs that have a high probability of becoming friable or will be crumbled, pulverized, or reduced to powder during the course of the demolition or renovation. RACM must be removed and disposed of using appropriate procedures prior to disturbance by a licensed asbestos abatement contractor.

Table 4.1 details the material type, condition, NESHAP classification, and abatement requirements for each of the homogeneous ACM materials identified in this survey. The locations of ACMs, are illustrated on Figures 5 through 10 for fireproofing insulation--west elevation; fireproofing--east elevation; ACM caulking materials--east elevation; ACM caulking materials--west elevation; window glazing compound--south elevation; and window glazing compound--north elevation, respectively.

Table 4.1 Summary of Material, Condition, Classification, and Abatement Requirement Homogeneous Material

Material Type Condition NESHAP Classification

Abatement Requirements

Light Grey Fireproofing Insulation

Surfacing Good Friable ACM

(RACM)

Abatement Required

Newly Applied Monokote Insulation

Surfacing Good Friable Assumed

ACM (RACM),

inseparable from

RACM

fireproofing

Abatement Required (inseparable from

RACM

Fireproofing)

Dark- Grey/Green Insulation

Surfacing Good to Fair Non-ACM Abatement Not Required (except in previously abated volumes and locally in CL 26 East Middle)

Internal Plaster Surfacing Good Non-ACM Abatement Not Required

End-Wall and Side-Wall (lower-level only) Window Glazing Compound

Miscellaneous Generally Fair Category II ACM with a high probability of being rendered friable (RACM)

Abatement Required

Side-Wall Pliable Seam and Window Caulks and Sealants

Miscellaneous Generally Good to Fair

Category I ACM Abatement Required

Based on the results of this survey, Maxim estimates the following quantities of materials are required to be removed from the following locations by licensed asbestos abatement personnel prior to renovation activities or other disturbance:

• Light Grey Fireproofing Insulation and the over-applied monokote (assumed contaminated with ACM) and contaminated (ACM or assumed ACM) dark grey/green insulation:

approximately 55,000 square feet, located in all lower tetrahedrons, east and west middle tetrahedrons at Column Line 28, 30, and 32, and upper tetrahedron at Column Line 5.

Square footage is based upon a square footage of approximately 500 square feet of material per insulated face. Lower tetrahedrons are insulated on all three faces to the bulkhead barriers, then insulated on the exterior two faces to the top. Middle and upper tetrahedrons are typically not insulated on the inner faces.

• Dark Grey/Green Fiberglass Insulation contaminated with 1.8% amosite asbestos:

approximately 90 square feet, located at the bottom of east middle tetrahedron at Column Line 26.

• End-Wall and Side-Wall (lower-level only) Window Glazing Compound: Component

Removal, quantity dependent upon removal techniques; located around all windows at the north and south end walls and the east and west lower-level side-walls. The lower level side walls are not expected to be impacted by the renovation.

• Pliable Seam Caulks and Sealants (often multi-layered and inseparable): many linear miles, located on all seams throughout the exterior of the Chapel.

The locations of these materials (caulks are present across the entire aluminum-cladding surface on seams, etc.) are shown on Figures 5 through 10.

5.0 Recommendations

Maxim recommends that all RACM that will be disturbed be removed by licensed abatement contractors prior to disturbance. Alternatively, the materials may be left in place during disturbance as long as the disturbance of the materials is conducted by licensed abatement contractors, under full containment, in accordance with all applicable regulations. Maxim further recommends that all non-friable ACM (pliable caulking materials) be removed by licensed abatement contractors if they need to be removed. All work that could involve disturbance of ACMs must be performed pursuant to regulations and procedures that govern asbestos abatement work including, but not limited to, OSHA (numerous regulations), NESHAP, Colorado Regulation 8, EPA AHERA, the Project Design and Specifications written for the project, DOT, USAFA Asbestos Management Program, and USAFA Overarching Specifications.

6.0 Limitations

This pre-renovation asbestos report was prepared for Skidmore, Owings, and Merrill to provide information concerning the types and quantities of regulated and non-regulated asbestos-containing materials present in or on the United States Air Force Academy Cadet Chapel in Colorado Springs, Colorado that are expected to be disturbed by the restoration of the building envelope. Materials not expected to be directly impacted by the renovation (based upon the Statement of Work dated June 10, 2003) have been excluded. Any change to the scope of work that would change the materials expected to be disturbed could require additional investigation.

The conclusions of this report are professional opinions based upon visual site observations, and interpretations of laboratory analysis.

Appendix A.1

Analytical Data Summary and Laboratory Analytical Results

Air Force Academy Cadet Chapel Building Envelope Renovation Asbestos Survey for Skidmore, Owings, and Merrill

Homogeneous Material

Sample Number PLM Result Point Count Result

Notes

Grey Fireproofing Insulation

S2.3A 30% Amosite NA Lower

CL 1

“ S2.3B 30% Amosite NA “ “ S2.3C 30% Amosite NA “ “ CL5-U-INS-5 35% Amosite NA “ CL5-U-INS-6 35% Amosite NA “ CL5-U-INS-7 40% Amosite NA “ CL28-M-W-INS-5 35% Amosite NA “ CL30-M-W-INS-4 30% Amosite NA “ CL30-M-W-INS-5 30% Amosite NA “ CL28-M-W-INS-6 45% Amosite NA “ CL32-M-W-INS-1 55% Amosite NA “ CL32-M-W-INS-2 40% Amosite NA “ CL32-M-W-INS-3 40% Amosite NA “ CL28-M-E-INS-6 60% Amosite NA “ CL28-M-E-INS-7 40% Amosite NA “ CL30-M-E-INS-7 45% Amosite NA

Sample Number PLM

Result Point Count

Result Notes

Side-Wall Exterior Caulking Materials

MM.1A ND NA Weather Stripping

“ MM.1B ND NA “

“ MM.1C ND NA “

“ CL33-U-E-CLK-1 ND NA

“ CL31-U-E-CLK-1 ND-30% NA Multi-layered caulk “ CL31-U-E-CLK-2 ND-35% NA Multi-layered caulk

“ CL26-E-M-CLK-4 ND NA

“ CL17-U-CLK-5 25% NA

“ CL17-U-CLK-6 ND NA Multi-layered caulk “ CL15-U-CLK-7 ND-45% NA Multi-layered caulk “ CL12-E-M-CLK-8 ND-40% NA Multi-layered caulk

“ CL6-E-M-CLK-8 ND NA

“ CL6-E-M-CLK-9 ND NA

“ CL1-U-CLK-10 30% NA

“ CL2-W-M-CLK-11 ND-20% NA Multi-layered caulk “ CL6-W-M-CLK-12 ND NA Multi-layered caulk “ CL6-W-M-CLK-13 ND NA Multi-layered caulk

“ CL12-M-W-CLK-

ND NA

“ CL16-W-M-CLK-

ND-40% NA Multi-layered caulk

“ CL16-W-M-CLK-

ND-50% NA Multi-layered caulk

“ CL26-M-W-CLK-

ND-40% NA Multi-layered caulk

“ CL26-M-W-CLK-

ND-45% NA Multi-layered caulk

Sample Number PLM

Result Point Count

Result Notes

Window Glazing CL33-S-CLK-1 10% NA Window Glazing CL33-S-CLK-2 5% NA Window Glazing CL33-S-CLK-3 5% NA Window Glazing CL33-S-CLK-4 8% NA Window Glazing CL33-S-CLK-5 15% NA Window Glazing CL33-S-CLK-6 5% NA Window Glazing CL33-S-CLK-7 10% NA Window Glazing CL33-S-CLK-8 20% NA Window Glazing CL33-S-CLK-9 10% NA Window Glazing CL1-N-CLK-1 ND to 4% NA Multi-layered Window Glazing CL1-N-CLK-2 ND to 3% NA Multi-layered Window Glazing CL1-N-CLK-3 ND to 5% NA Multi-layered Window Glazing CL1-N-CLK-4 ND to 5% NA Multi-layered Window Glazing CL1-N-CLK-5 ND to 3% NA Multi-layered Window Glazing CL1-N-CLK-6 5% NA Window Glazing CL1-N-CLK-7 ND to 8% NA Multi-layered Window Glazing CL1-N-CLK-8 ND to 6% NA Multi-layered Window Glazing CL1-N-CLK-9 ND to 4% NA Multi-layered

Sample Number PLM

Result Point Count

Result Notes

Plaster M7.1A ND NA Column Line 24 West Middle

“ M7.1B ND NA “

“ M7.1C ND NA “

“ M7.1D ND NA “

“ M7.1E ND NA “

“ M7.1F ND NA “

“ M7.1A ND NA Column Line

25 Upper

“ M7.1B ND NA “

“ M7.1C ND NA “

“ M7.1D ND NA “

“ M7.1E ND NA “

“ M7.1A ND NA Column Line

24 East Middle

“ M7.1B ND NA “

“ M7.1C ND NA “

“ M7.1D ND NA “

“ M7.1E ND NA “

“ CL27-U-Plaster-2 ND NA “ CL32-E-M-Plaster-1 ND NA “ CL26-E-M-Plas-3 ND NA “ CL26-E-M-Plas-4 ND NA “ CL20-E-M-Plas-1 ND NA “ CL20-E-M-Plas-2 ND NA “ CL20-E-M-Plas-3 ND NA “ CL20-E-M-Plas-4 ND NA “ CL20-E-M-Plas-5 ND NA “ CL18-E-M-Plas-1 ND NA “ CL18-E-M-Plas-2 ND NA “ CL18-E-M-Plas-3 ND NA “ CL18-E-M-Plas-4 ND NA “ CL18-E-M-Plas-5 ND NA “ CL15-U-Plas-1 ND NA “ CL15-U-Plas-2 ND NA “ CL15-U-Plas-3 ND NA “ CL15-U-Plas-4 ND NA “ CL15-U-Plas-5 ND NA “ CL12-E-M-Plas-1 ND NA “ CL12-E-M-Plas-2 ND NA “ CL12-E-M-Plas-3 ND NA “ CL12-E-M-Plas-4 ND NA

Sample Number PLM Result

Point Count Result

Notes

Plaster CL12-E-M-Plas-5 ND NA “ CL9-U-Plas-1 ND NA “ CL9-U-Plas-2 ND NA “ CL9-U-Plas-3 ND NA “ CL9-U-Plas-4 ND NA “ CL9-U-Plas-5 ND NA “ CL6-E-M-Plas-1 ND NA “ CL6-E-M-Plas-2 ND NA “ CL6-E-M-Plas-3 ND NA “ CL6-E-M-Plas-4 ND NA “ CL6-E-M-Plas-5 ND NA “ CL2-E-M-Plas-1 ND NA “ CL2-E-M-Plas-2 ND NA “ CL2-E-M-Plas-3 ND NA “ CL2-E-M-Plas-4 ND NA “ CL2-E-M-Plas-5 ND NA “ CL2-W-M-Plas-1 ND NA “ CL2-W-M-Plas-2 ND NA “ CL2-W-M-Plas-3 ND NA “ CL2-W-M-Plas-4 ND NA “ CL2-W-M-Plas-5 ND NA “ CL6-W-M-Plas-1 ND NA “ CL6-W-M-Plas-2 ND NA “ CL6-W-M-Plas-3 ND NA “ CL6-W-M-Plas-4 ND NA “ CL6-W-M-Plas-5 ND NA “ CL10-W-M-Plas-1 ND NA “ CL10-W-M-Plas-2 ND NA “ CL10-W-M-Plas-3 ND NA “ CL10-W-M-Plas-4 ND NA “ CL10-W-M-Plas-5 ND NA “ CL20-M-W-Plas-1 ND NA “ CL20-M-W-Plas-2 ND NA “ CL20-M-W-Plas-3 ND NA “ CL20-M-W-Plas-4 ND NA “ CL20-M-W-Plas-5 ND NA “ CL28-M-W-Plas-1 ND NA “ CL28-M-W-Plas-2 ND NA “ CL28-M-W-Plas-3 ND NA “ CL28-M-W-Plas-4 ND NA “ CL28-M-W-Plas-5 ND NA

Sample Number PLM Result Point Count

Result Notes

Fiberglass Insulation

Upper ND NA Boroscope Sample

“ Middle ND NA Boroscope Sample

“ S2.1A ND NA Monokote Insulation, Lower CL 11 “ S2.1B ND NA Monokote

Insulation, Lower CL 11

“ S2.1C ND NA Monokote Insulation, Lower CL 11 “ S2.2A Trace Amosite ND Upper 2/3 of

Lower CL 1 “ S2.2B Trace Amosite ND Upper 2/3 of

Lower CL 1 “ S2.2C Trace Amosite ND Upper 2/3 of

Lower CL 1 “ S2.2D Trace Amosite ND Middle CL

24 East “ S2.2E ND NA Middle CL

24 East “ S2.2F ND NA Middle CL

24 East “ S2.2G Trace Amosite ND Middle CL

24 East “ S2.2H Trace Amosite ND Middle CL

24 East “ S2.2I Trace Amosite ND Middle CL

24 East “ S2.2J Trace Amosite ND Middle CL

24 East “ S2.1A ND NA Upper CL 23 “ S2.2A ND NA Upper CL 23 “ S2.3A ND NA Upper CL 23 “ S2.4A ND NA Upper CL 23 “ S2.5A ND NA Upper CL 23 “ S2.6A ND NA Upper CL 23 “ S2.7A ND NA Upper CL 23 “ S2.4A Trace Amosite ND Upper CL 25 “ S2.4B Trace Amosite ND Upper CL 25

Sample Number PLM Result Point Count Result

Notes

Fiberglass Ins. S2.4C Trace Amosite ND Upper CL 25 “ S2.4D ND NA Upper CL 25 “ S2.4E ND NA Upper CL 25 “ S2.4F Trace Amosite ND Upper CL 25 “ S2.4G ND NA Upper CL 25 “ S2.5A ND NA Middle CL

24 East “ S2.5B ND NA Middle CL

24 East “ S2.5C Trace Amosite ND Middle CL

24 East “ S2.5D ND NA Middle CL

24 East “ S2.5E ND NA Middle CL

24 East “ S2.5F ND NA Middle CL

24 East “ S2.5G ND NA Middle CL

24 East “ CL28E-M-INS-1 1% Amosite ND “ CL28E-M-INS-2 Trace Amosite ND

“ CL28E-M-INS-3 ND NA

“ CL28E-M-INS-4 ND NA

“ CL28E-M-INS-5 Trace Amosite ND “ CL27-U-INS-1 Trace Amosite ND

“ CL27-U-INS-2 ND NA

“ CL27-U-INS-3 ND NA

“ CL27-U-INS-4 ND NA

“ CL27-U-INS-5 Trace Amosite ND “ CL29-U-INS-1 Trace Amosite ND “ CL29-U-INS-2 Trace Amosite ND “ CL29-U-INS-3 Trace Amosite ND “ CL29-U-INS-4 Trace Amosite ND “ CL29-U-INS-5 2% Amosite Trace Amosite “ CL32-E-M-Ins-1 Trace Amosite ND “ CL32-E-M-Ins-2 ND NA “ CL32-E-M-Ins-3 Trace Amosite ND “ CL32-E-M-Ins-4 Trace Amosite ND “ CL32-E-M-Ins-5 Trace Amosite ND “ CL30-E-M-Ins-1 ND NA “ CL30-E-M-Ins-2 ND NA “ CL30-E-M-Ins-3 Trace Amosite ND “ CL30-E-M-Ins-4 ND NA

Sample Number PLM Result Point Count Result

Notes

Fiberglass Ins. CL30-E-M-Ins-5 Trace Amosite ND “ CL33-U-INS-1 Trace Amosite ND

“ CL33-U-INS-2 ND NA

“ CL33-U-INS-3 Trace Amosite ND “ CL33-U-INS-4 Trace Amosite ND

“ CL33-U-INS-5 ND NA

“ CL33-U-INS-6 ND NA

“ CL33-U-INS-7 ND NA

“ CL31-U-INS-1 ND NA

“ CL31-U-INS-2 ND NA

“ CL31-U-INS-3 Trace Amosite ND

“ CL31-U-INS-4 ND NA

“ CL31-U-INS-5 Trace Amosite ND “ CL26-E-M-Ins-1 Trace Amosite 1.8% Amosite “ CL26-E-M-Ins-2 Trace Amosite Trace Amosite “ CL26-E-M-Ins-3 Trace Amosite ND “ CL26-E-M-Ins-4 Trace Amosite ND “ CL26-E-M-Ins-5 Trace Amosite ND “ CL22-E-M-Ins-1 ND NA “ CL22-E-M-Ins-2 Trace Amosite ND “ CL22-E-M-Ins-3 Trace Amosite ND “ CL22-E-M-Ins-4 ND NA “ CL22-E-M-Ins-5 ND NA

“ CL21-U-INS-1 ND NA

“ CL21-U-INS-2 Trace Amosite ND

“ CL21-U-INS-3 ND NA

“ CL21-U-INS-4 Trace Amosite ND

“ CL21-U-INS-5 ND NA

“ CL21-U-INS-6 ND NA

“ CL21-U-INS-7 ND NA

“ CL20-E-M-Ins-1 Trace Amosite ND “ CL20-E-M-Ins-2 ND NA “ CL20-E-M-Ins-3 ND NA “ CL20-E-M-Ins-4 ND NA “ CL20-E-M-Ins-5 ND NA

“ CL19-U-INS-1 ND NA

“ CL19-U-INS-2 Trace Amosite ND “ CL19-U-INS-3 Trace Amosite ND

“ CL19-U-INS-4 ND NA

“ CL19-U-INS-5 ND NA

“ CL19-U-INS-6 Trace Amosite ND

“ CL19-U-INS-7 ND NA

“ CL18-E-M-Ins-1 Trace Amosite ND

Sample Number PLM Result Point Count Result

Notes

Fiberglass Ins. CL18-E-M-Ins-2 Trace Amosite ND “ CL18-E-M-Ins-3 ND NA “ CL18-E-M-Ins-4 ND NA “ CL18-E-M-Ins-5 ND NA “ CL17-U-INS-1 Trace Amosite ND

“ CL17-U-INS-2 ND NA

“ CL17-U-INS-3 ND NA

“ CL17-U-INS-4 Trace Amosite ND “ CL17-U-INS-5 Trace Amosite ND

“ CL17-U-INS-6 ND NA

“ CL17-U-INS-7 Trace Amosite ND “ CL16-E-M-Ins-1 ND NA “ CL16-E-M-Ins-2 ND NA “ CL16-E-M-Ins-3 Trace Amosite ND “ CL16-E-M-Ins-4 Trace Amosite Trace Amosite “ CL16-E-M-Ins-5 ND NA “ CL15-U-INS-1 Trace Amosite ND “ CL15-U-INS-2 Trace Amosite ND

“ CL15-U-INS-3 ND NA

“ CL15-U-INS-4 ND NA

“ CL15-U-INS-5 Trace Amosite ND “ CL14-E-M-Ins-1 Trace Amosite ND “ CL14-E-M-Ins-2 Trace Amosite ND “ CL14-E-M-Ins-3 Trace Amosite ND “ CL14-E-M-Ins-4 Trace Amosite ND “ CL14-E-M-Ins-5 Trace Amosite ND “ CL13-U-INS-1 Trace Amosite ND

“ CL13-U-INS-2 ND NA

“ CL13-U-INS-3 ND NA

“ CL13-U-INS-4 Trace Amosite ND

“ CL13-U-INS-5 ND NA

“ CL12-E-M-Ins-1 Trace Amosite Trace Amosite “ CL12-E-M-Ins-2 ND NA “ CL12-E-M-Ins-3 Trace Amosite ND “ CL12-E-M-Ins-4 ND NA “ CL12-E-M-Ins-5 Trace Amosite ND

“ CL11-U-INS-1 ND NA

“ CL11-U-INS-2 Trace Amosite ND

“ CL11-U-INS-3 ND NA

“ CL11-U-INS-4 Trace Amosite ND

“ CL11-U-INS-5 ND NA

“ CL11-U-INS-6 ND NA

“ CL11-U-INS-7 Trace Amosite Trace Amosite

Sample Number PLM Result Point Count Result

Notes

Fiberglass Ins. CL10-E-M-Ins-1 ND NA “ CL10-E-M-Ins-2 Trace Amosite ND “ CL10-E-M-Ins-3 Trace Amosite ND “ CL10-E-M-Ins-4 ND NA “ CL10-E-M-Ins-5 ND NA

“ CL9-U-INS-1 ND NA

“ CL9-U-INS-2 Trace Amosite ND “ CL9-U-INS-3 Trace Amosite ND

“ CL9-U-INS-4 ND NA

“ CL9-U-INS-5 ND NA

“ CL8-E-M-Ins-1 Trace Amosite ND “ CL8-E-M-Ins-2 Trace Amosite ND “ CL8-E-M-Ins-3 Trace Amosite ND “ CL8-E-M-Ins-4 ND NA “ CL8-E-M-Ins-5 Trace Amosite ND

“ CL7-U-INS-1 ND NA

“ CL7-U-INS-2 Trace Amosite ND “ CL7-U-INS-3 Trace Amosite ND “ CL7-U-INS-4 Trace Amosite ND “ CL7-U-INS-5 Trace Amosite Trace Amosite “ CL7-U-INS-6 Trace Amosite ND “ CL7-U-INS-7 Trace Amosite ND “ CL6-E-M-Ins-1 Trace Amosite ND “ CL6-E-M-Ins-2 Trace Amosite ND “ CL6-E-M-Ins-3 ND NA “ CL6-E-M-Ins-4 Trace Amosite ND “ CL6-E-M-Ins-5 ND NA “ CL5-U-INS-1 Trace Amosite Trace Amosite “ CL5-U-INS-2 Trace Amosite ND “ CL5-U-INS-3 Trace Amosite ND “ CL5-U-INS-4 Trace Amosite ND “ CL4-E-M-Ins-1 Trace Amosite ND “ CL4-E-M-Ins-2 Trace Amosite ND “ CL4-E-M-Ins-3 Trace Amosite ND “ CL4-E-M-Ins-4 Trace Amosite ND “ CL4-E-M-Ins-5 Trace Amosite ND

“ CL3-U-INS-1 ND NA

“ CL3-U-INS-2 ND NA

“ CL3-U-INS-3 ND NA

“ CL3-U-INS-4 ND NA

“ CL3-U-INS-5 ND NA

“ CL2-E-M-Ins-1 ND NA “ CL2-E-M-Ins-2 Trace Amosite ND

Sample Number PLM Result Point Count Result

Notes

Fiberglass Ins. CL2-E-M-Ins-3 ND NA “ CL2-E-M-Ins-4 ND NA “ CL2-E-M-Ins-5 ND NA

“ CL1-U-INS-1 ND NA

“ CL1-U-INS-2 ND NA

“ CL1-U-INS-3 ND NA

“ CL1-U-INS-4 ND NA

“ CL1-U-INS-5 ND NA

“ CL1-U-INS-6 ND NA

“ CL1-U-INS-7 ND NA

“ CL2-W-M-Ins-1 ND NA “ CL2-W-M-Ins-2 ND NA “ CL2-W-M-Ins-3 ND NA “ CL2-W-M-Ins-4 ND NA “ CL2-W-M-Ins-5 ND NA “ CL4-W-M-Ins-1 ND NA “ CL4-W-M-Ins-2 ND NA “ CL4-W-M-Ins-3 ND NA “ CL4-W-M-Ins-4 ND NA “ CL4-W-M-Ins-5 ND NA “ CL6-W-M-Ins-1 ND NA “ CL6-W-M-Ins-2 ND NA “ CL6-W-M-Ins-3 ND NA “ CL6-W-M-Ins-4 ND NA “ CL6-W-M-Ins-5 ND NA “ CL8-W-M-Ins-1 Trace Amosite ND “ CL8-W-M-Ins-2 Trace Amosite ND “ CL8-W-M-Ins-3 ND NA “ CL8-W-M-Ins-4 Trace Amosite ND “ CL8-W-M-Ins-5 Trace Amosite ND “ CL10-W-M-Ins-1 Trace Amosite Trace Amosite “ CL10-W-M-Ins-2 Trace Amosite ND “ CL10-W-M-Ins-3 Trace Amosite ND “ CL10-W-M-Ins-4 Trace Amosite ND “ CL10-W-M-Ins-5 ND NA “ CL12-W-M-Ins-1 Trace Amosite ND “ CL12-W-M-Ins-2 Trace Amosite ND “ CL12-W-M-Ins-3 Trace Amosite ND “ CL12-W-M-Ins-4 Trace Amosite ND “ CL12-W-M-Ins-5 Trace Amosite ND “ CL14-W-M-Ins-1 ND NA “ CL14-W-M-Ins-2 ND NA “ CL14-W-M-Ins-3 Trace Amosite ND

Sample Number PLM Result Point Count Result

Notes

Fiberglass Ins. CL14-W-M-Ins-4 Trace Amosite ND “ CL14-W-M-Ins-5 Trace Amosite ND “ CL16-W-M-Ins-1 ND NA “ CL16-W-M-Ins-2 ND NA “ CL16-W-M-Ins-3 Trace Amosite ND “ CL16-W-M-Ins-4 ND NA “ CL16-W-M-Ins-5 Trace Amosite ND “ CL18-W-M-Ins-1 ND NA “ CL18-W-M-Ins-2 Trace Amosite ND “ CL18-W-M-Ins-3 Trace Amosite ND “ CL18-W-M-Ins-4 Trace Amosite ND “ CL18-W-M-Ins-5 Trace Amosite Trace Amosite “ CL20-M-W-Ins-1 Trace Amosite ND “ CL20-M-W-Ins-2 ND NA “ CL20-M-W-Ins-3 Trace Amosite ND “ CL20-M-W-Ins-4 Trace Amosite ND “ CL20-M-W-Ins-5 ND NA “ CL22-M-W-Ins-1 ND NA “ CL22-M-W-Ins-2 Trace Amosite ND “ CL22-M-W-Ins-3 ND NA “ CL22-M-W-Ins-4 Trace Amosite ND “ CL22-M-W-Ins-5 ND NA “ CL26-M-W-Ins-1 Trace Amosite Trace Amosite “ CL26-M-W-Ins-2 ND NA “ CL26-M-W-Ins-3 Trace Amosite Trace Amosite “ CL26-M-W-Ins-4 Trace Amosite ND “ CL26-M-W-Ins-5 ND NA “ CL28-M-W-Ins-1 Trace Amosite ND “ CL28-M-W-Ins-2 Trace Amosite ND “ CL28-M-W-Ins-3 Trace Amosite Trace Amosite “ CL28-M-W-Ins-4 Trace Amosite Trace Amosite “ CL30-M-W-Ins-1 Trace Amosite ND “ CL30-M-W-Ins-2 Trace Amosite ND “ CL30-M-W-Ins-3 Trace Amosite Trace Amosite “ CL32-M-W-Ins-4 Trace Amosite ND “ CL32-M-W-Ins-5 Trace Amosite Trace Amosite “ CL32-M-W-Ins-6 Trace Amosite ND