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• NVL Laboratories, Inc. I I 4708 Aurora Ave N,Seattle,WA 98103 p 206.5470100 I 1206 6344936 I www nvilabs.com L A BS Bulk Asbestos Fibers Analysis By Polarized Light Microscopy Client: NVL Field Services Division Batch #: 1715847.00 Address:4708 Aurora Ave. N. Client Project#:2017-0728 Seattle, WA 98103 Date Received:9/5/2017 Samples Received: 9 Attention: Mr.Tanveer Khan Samples Analyzed:9 Project Location: 1111 34th St. Everett,WA 98201 Method: EPA/600/R-931116 &EPA/600/M4-82-020 Layer 2 of 4 Description: Black asphaltic mastic Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Asphalt/Binder, Fine grains Cellulose 3% None Detected ND Layer 3 of 4 Description: Black asphaltic fibrous material wtih black granules Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type: % Asphalt/Binder,Granules Glass fibers 58% None Detected ND Layer 4 of 4 Description: Black asphaltic fibrous material Non-Fibrous Materials: Other Fibrous Materials:% Asbestos Type:% Asphalt/Binder, Fine grains Cellulose 63% None Detected ND Sampled by: Client ! % .. Analyzed by: Peter Murphy Date•09/06/2017 -- Reviewed by: Nick Ly Date:09/07/2017 Nick Ly,Technical Director 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 page 5-ot> I 3 3