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SIERRA LABORATORIES INC <br /> [-Sjerra <br /> Corporation Date Sampled: 12/19/96 <br /> Auburn Road <br /> Date Received: 12/24/96 <br /> ights, CA 95G10 Date Prepared: 12/26/96 <br /> oject No: 9612-221 Date Analyzed: 12f26/96 <br /> ' ject ID: 5023-JI/Diamond Lumber Manteca Analyst- SM <br /> atrix• Water Report Date- 1/2/97 <br /> 1 <br /> EPA METHOD 8020-BTEX/ <br /> EPA METHOD 8015 MODIFIED-GASOLINE RANGE HYDROCARBONS (C4-C12) <br /> ' (PURGE AND TRAP) <br /> Concentration, µg/1 <br /> ' Client Sample No.: BEI-MW-2BEI-MW-3 Method <br /> MW-7 MW-8 Detection <br /> Sierra Sample No.- 21933 Limit, <br /> 21934 21935 21936 µg/] <br /> COMPOUNDS- <br /> Benzene 60 8000 ND <br /> ' Toluene 80 2 0 5 <br /> 3600 ND 15 <br /> 5 O S <br /> Ethylbenzene I9 1000 1 ND <br /> Total Xylenes 80 0 65 0 5 <br /> 8400 ND 26 05 <br /> Gasoline Range 1700 41000 ND <br /> ND 50 <br /> ' Ddutlon Factor 1 50 1 <br /> 1%Surrogate Recovery I QC Limits <br /> 4-Bromofluorobenzene 110 100 95 <br /> 95 70-125 <br /> Quality Assurance/Quality Control Data <br />' [[Gasolme <br /> Sample ID. 9612-221-21537 <br /> LCS Spike Spike Dup QC QC <br /> mpounds % Rec. %Rec % Rec Limits RPD Limits <br />' zene 94 93 95 <br /> 39-150 16 0-30 <br /> uene 98 95 97 46-148 13 <br /> ylbenzene 100 98 0-30 <br /> 99 32-I60 10 0-30 <br /> 96 85 90 50-150 5 7 <br /> 0-30 <br /> ND means Not Detected <br /> Reporting Lima(RL)=Method Detection Limit(MDL)x Dilution Factor <br />