Atch 4 ACM Results.pdf

9922 East Montgomery Suite 13 TESTING

Spokane Valley, WA 99206 NVLAP LAB CODE 101890-0

(509) 922-1365 ● Fax (509) 922-1380

Polarized Light Microscopy, NVLAP Accreditation

September 1, 2020

Mountain Consulting Services, LLC Project: FAFB Bldg. 2379

Todd Lewis Project #: 20-074.1

9922 E. Montgomery Avenue, Suite 9

Spokane Valley, WA 99206

Dear Mr. Lewis, The enclosed report details results for the analysis of the bulk sample(s) submitted to Mountain

Laboratories on August 28, 2020. Sample analysis was performed to determine asbestos type and content using Polarized Light Microscopy, supplemented by Dispersion Staining (PLM/DS).

This report includes a summary of the analytical results and chain of custody. Analytical results are only reflective of the samples, which were tested and presented in this report. Mountain Laboratories limits warranty to proper analysis methods and takes no responsibility for sample procurement.

It has been our pleasure providing you with these analytical services. If you have any questions regarding this report, please do not hesitate to call us at (509) 922-1365.

Sincerely, Heidi L. Porret

Laboratory Manager

Mountain Laboratories

Mountain Laboratories NW, Inc.

Enclosure: 1023.39184.39185

MOUNTAIN LABORATORIES

BULK SAMPLE ANALYSIS FOR ASBESTOS

Test Method: EPA-600/R-93/116: Interim Method for the Determination of Asbestos in Bulk Building Materials. Customer #: 1023

Laboratory No. B20-39184 B20-39611 B20-39185

Sample ID No. 20-074.1-1 20-074.1-1-A 20-074.1-2

Sample Description Drywall/Joint

Compound/Composite

Sub Sample of

20-074.1-1

Off White Layer

Drywall/Joint

Compound/Composite

Sample Treatment Teased/Crushed Teased/Crushed Teased/Crushed

Homogeneous No Yes No

Layered Yes No Yes

Fibrous Yes No Yes

Sample Color Brown/White Off White Brown/White

Asbestos Present No No No

Asbestos Type and

Percentage

Sheetrock N.D. Off White Layer N.D. Sheetrock N.D.

Total % Asbestos None None None

Other Fibrous Material

In Sample

Cellulose 5% Cellulose 5%

Non-Fibrous Material Binder/Filler 5%

Gypsum 90%

Gypsum 100% Binder/Filler 5%

Gypsum 90% Date Analyzed: September 1, 2020 Analyzed By: Lisa Meade

Mountain Laboratories, Mountain Laboratories NW, Inc. limits warranty to proper analysis methods only and takes no responsibility for sample procurement. Mountain Laboratories, Mountain

Laboratories NW, Inc., 9922 E. Montgomery Suite #13, Spokane Washington 99206 (509) 922-1365 - Fax (509) 922-1380. PLM has been known to miss asbestos in a small percentage of samples. Thus negative or <1% PLM results should be tested with either SEM or TEM. Customer is responsible for sample separation. This report may only be reproduced in full with written approval by Mountain Laboratories. Soil/Dust samples are not covered under NVLAP Accreditation.

Sample results must not be used by the customer to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the Federal Government.

MOUNTAIN LABORATORIES

BULK SAMPLE ANALYSIS FOR ASBESTOS

Test Method: EPA-600/R-93/116: Interim Method for the Determination of Asbestos in Bulk Building Materials. Customer #: 1023

Laboratory No. B20-39612

Sample ID No. 20-074.1-2-A

Sample Description

Sub Sample of

20-074.1-2

2 Off White Layers

Sample Treatment Teased/Crushed

Dissolved

Homogeneous No

Layered Yes

Fibrous No

Sample Color White/Off White

Asbestos Present No

Asbestos Type and

Percentage

2 Off White Layers

N.D.

Total % Asbestos None

Other Fibrous Material

In Sample

Non-Fibrous Material

Gypsum 99%

Paint <1%

Other 100%

Date Analyzed: September 1, 2020 Analyzed By: Lisa Meade

Mountain Laboratories, Mountain Laboratories NW, Inc. limits warranty to proper analysis methods only and takes no responsibility for sample procurement. Mountain Laboratories, Mountain

Laboratories NW, Inc., 9922 E. Montgomery Suite #13, Spokane Washington 99206 (509) 922-1365 - Fax (509) 922-1380. PLM has been known to miss asbestos in a small percentage of samples. Thus negative or <1% PLM results should be tested with either SEM or TEM. Customer is responsible for sample separation. This report may only be reproduced in full with written approval by Mountain Laboratories. Soil/Dust samples are not covered under NVLAP Accreditation.

Sample results must not be used by the customer to claim product certification, approval, or endorsement by NVLAP, NIST, or any agency of the Federal Government.

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