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'. ,,. <br /> September 6,2017 L ABS <br /> TanveerKhan INDUSTRIAL <br /> NVL Field Services Division SYR ► E N E <br /> SERVICE S <br /> 4708 Aurora Ave. N. <br /> Seattle, WA 98103 Laboratory I Management ; Training <br /> RE: Metals Analysis; NVL Batch#1715845.00 <br /> Dear Mr. Khan, <br /> Enclosed please find the test results for samples submitted to our laboratory for analysis. <br /> Preparation of these samples was conducted following protocol outlined in EPA Method SW 846 <br /> -3051 unless stated otherwise, Analysis of these samples was performed using analytical <br /> instruments in accordance with U.S. EPA, NIOSH, OSHA and other ASTM methods. <br /> For matrix materials submitted as paint,dust wipe,soil or TCLP samples, analysis for the presence <br /> of total metals is conducted using published U.S. EPA Methods. Paint and soil results are usually <br /> expressed in mg/Kg which is equivalent to parts per million(ppm). Lead(Pb)in paint is usually <br /> expressed in mg/Kg(ppm) , Percent(%)or mg/cm2 by area. Dust wipe sample results are usually <br /> expressed in ug/wipe and ug/ft2. TCLP samples are reported in mg/L(ppm). For air filter samples, <br /> analyses are conducted using NIOSH and OSHA Methods. Results are expressed in ug/filter and <br /> ug/m3. Other matrix materials are analyzed accordingly using published methods or specified by <br /> client.The reported test results pertain only to items tested and are not blank corrected. <br /> For recent regulation updates pertaining to current regulatory levels or permissible exposure <br /> levels, please call your local regulatory agencies for more details. <br /> This report is considered highly confidential and will not be released without your approval. <br /> Samples are archived for two weeks following analysis. Samples that are not retrieved by the <br /> client are discarded after two weeks. <br /> Thank you for using our laboratory services. if you need further assistance please feel free to call <br /> us at 206-547-0100 or 1-888-NVLLABS. <br /> Sincerely, <br /> Shalini Patel, Laboratory Analyst <br /> AMA LAP,1,14 <br /> AGCREDITED LA3ORATORY <br /> -- NVL Laboratories,inc. <br /> 1.888.NVL.LABS <br /> 4708 Aurora Ave N,Seattle,WA 98103 <br /> y�81 AI i19E9"'' , <br /> www.nvil�il�a.c rrsi <br /> IAB 101161 p 206.547.0100 f 206.634.1936 <br /> Page <br />