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NVL Laboratories, Inc. 470s Aurora Ave N,Seattle,WA 98103 11441VILI. p 206.547.0100 I f 206.634.1936 I www.nvllabs.mm LABS Asbestos And Other Fibers Analysis by Phase Contrast Microscopy Client:Alexander's Demo Abatement LLC Batch #: 1824864.00 Addres:704 145th St SW Method: NIOSH 7400 Lynnwood,WA 98087 Client Project#: N-A Date Received: 12/18/2018 Attention:Mr.Wilmar Ramirez Samples Received: 1 Project Location: 12011-19th Ave SE Everett, WA 98208 Samples Analyzed: 1 (Lab ID: 18128253 Client's Sample#: E#4 Date sampled:12/18/2018 r Time Flow Rate Sample type:Clearance Start 11:10 AM 12.00 Location:Downstairs main floor work area End 12:50 PM 12.00 Activity:VAT and glove bags elbows remove Worker:Wilmar R Minutes 100 Ave.12.00 Comments: Liters Pump ID LOQ fibers/cc Fibers/flds Fibers/mm2 RL f/cc Fibers/cc 1200 20 min 0.032 max 0.417 1.5/100 <7.0 0.002 , <0.002 �� Blank ave.(f/mm2)0.0 Micro.field area(mm2)0.00785 Effe.filtration area (mm2)385 Sampled by: Client a // Analyzed by: Soumeya Benzins Date Analyzed:12/18/2018 lr ""'s Reviewed by: Nick Ly Date Issued:12/18/2018 Nick Ly, Technical Director Samples are analyzed in accordance with the NIOSH 7400 (Issue 2: 15 August 1994). If the samples were not collected by NVL Laboratories, then the accuracy of the results is limited by the methodology and acuity of the sample collector. The LOQ, Limits of Quantification, are the fiber concentrations, for the given volume of the sampled air, above and below which the results may be unreliable. The RL, Reporting Limit defined in Method 7400 as LOD,is the fibers/cc below which the results may not be confidently distinguished from background levels. This report relates only to the items tested.It shall not be reproduced,except in full,without written approval of NVL Laboratories, Inc. . Unless otherwise indicated,the condition of all samples was acceptable at time of receipt Intralaboratory(Sr)Values wit be provided upon request. page 2 of 4