Asbestos_Report.pdf
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Asbestos Report provided for informational purposes in response to Inquiry ID: 8124941.
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Asbestos Analysis of Bulk Materials by Polarized Light Microscopy
USACE - Bonneville Dam
Project: Bonneville Lock & Dam, Auditorium Roof Project #G2-130706, PO 81997104
Analysis Date: 07/24/2018
JSE Project: 02114
Layer Description Binder/Matrix Other Non-Asbestos Asbestos (% Type)Sample
07/24/2018Report Date:
Lab Code
200872-0TESTING
3315 SE Harrison Street, Suite C, Milwaukie, Oregon 97222
Ph: 503-659-8338 Fax 503-659-7577
Jones Stohosky Environmental Laboratory, Inc.
www.jselabs.com
AB-1819236
18-020 Auditorium
Chimney North Side rock particles acid soluble
None Detected
Subsamples milled & ashed for quality assurance.
Gray/red coarse-grain material
LAYER 1
AB-1819237
18-021 Auditorium
Chimney South Side rock particles acid soluble
None Detected
Subsamples milled & ashed for quality assurance.
Gray/red coarse-grain material
AB-1819238
18-022 Auditorium
Plaster East Side Exterior
Wall rock particles acid soluble
None Detected
Subsamples ashed for quality assurance.
Gray coarse-grain material
Asbestos Analysis of Bulk Materials by Polarized Light Microscopy
USACE - Bonneville Dam
Project: Bonneville Lock & Dam, Auditorium Roof Project #G2-130706, PO 81997104
Analysis Date: 07/24/2018
JSE Project: 02114
Layer Description Binder/Matrix Other Non-Asbestos Asbestos (% Type)Sample
07/24/2018Report Date:
Lab Code
200872-0TESTING
3315 SE Harrison Street, Suite C, Milwaukie, Oregon 97222
Ph: 503-659-8338 Fax 503-659-7577
Jones Stohosky Environmental Laboratory, Inc.
www.jselabs.com
AB-1819239
18-023 Auditorium Mortar
From Gutter acid soluble sand
None Detected
Subsamples ashed for quality assurance.
Gray powderLAYER 1
Approved Signatory Date
Analyst:
JSE is accredited by the National Voluntary Laboratory Accreditation Program (NVLAP) for bulk asbestos analysis by EPA-600/M4-82-020 and EPA/600/R-93/116 methods for polarized light microscopy (PLM).
These analysis results apply to the sample(s) as received. Asbestos content for an inhomogeneous sample is reported by layer when it is possible to subsample the discrete strata for individual analysis. Small diameter fibers may not be detected by this method.
Quantification is performed using visual area estimation unless otherwise stated in the report. Qualitative and quantitative transmission electron microscopy (TEM) analysis may be recommended for difficult samples. Quantitative analysis by PLM point count or TEM is recommended for sample(s) testing at < or = to 10% asbestos.
Asbestos includes the following minerals: chrysotile, amosite, crocidolite, tremolite, actinolite, anthophyllite. "Matrix" is defined as non-asbestos, non-binder fibrous and non-fibrous components. "Binder" is defined as a component added for cohesiveness.Non-asbestos sample constituents may not be definite.
This report may not be used to claim product certification, approval or endorsement by NVLAP, NIST or any agency of the Federal Government. If the NVLAP logo does not appear beneath the JSE logo of this report then "This report contains data not covered by the NVLAP accreditation." (NIST Handbook 150, 2006.) Amended reports supercede all previous reports.
07/24/2018
Darlene Conrad
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