ARCHIVED REPORTS XR0003369 - Laserfiche WebLink

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r r r0 U A L I T Y C 0 N T R 0 L R E S U L T S Job Number.: 992525 Report Date.: 12/14/1999 ' CUSTOMER: IT Group PROJECT: Southland - Martinez ATTN: Rhonda Teicheira OC Type Description Reag. Code Lab ID Dilution Factor Date Time rTest Method......... EPA 80218 Batch.............. 9957 Analyst...- evd Method Description.: Volatile Organics -Aromatics units.............: ug/L ' MH Method Blank 12/03/1999 0634 Parameter/Test Description 0C Result OC Result True Value Orig. Value Calc. Result * Limits F benzene 0.00 - - Ethylbenzene 0.00 Methyl-t-Butyl Ether (MTBE) 0.00 Toluene 0.00 Xylenes (total) 0.00 LCS Laboratory Control Sample 09111502 12/03/1999 0752 Parameter/Test Description - QC Result -DC Result True Value - Orig. Value Calc. Result * Limits F Benzene 52.15 50 104.3 - 39-150 thylbenzene 50-42 50 100.8 32-160 hyl-t-Bucy( Ether (MTBE) 267.72 250 107-1 50-150 Iuene 52.61 50 105-2 46-148 Xylenes (total) 158.70 150 105.8 75-125 LCD Laboratory Control Sample Duplicate 09111502 _ 12/03/1999 0819 -- Parameter/Test Description OC Result 0C Result True Value Orig. Value Calc. Result * Limits F Benzene 52.16 52.15 50 104.4 39-150 0.1 20 Ethylbenzene 50.37 50.42 50 100.7 32-160 0.1 20 Methyl-t-Butyl Ether (MTBE) 273.76 267.72 250 109.5 50-150 2.2 25 Toluene 52.60 52.61 50 105.2 46-148 0.0 20 Xylenes (total) 158.86 158.70 150 105.9 75-125 0.1 20 MS Matrix Spike 09102802A 992527-1 12/03/1999 1405 Parameter/Test Description QC Result- QC Result True Value Crig- Value Calc. Result * Limits F Benzene 50.80 50 0.43 __100.7 39-150 Ethylbenzene 54.74 50 0.00 109.5 32-160 Methyl-t-Butyl Ether (MTBE) 242.97 250 0.00 97.2 50-150 Toluene 48.89 50 0.22 97.3 46-148 Xylenes (total) 158.39 150 0-19 105.5 75-125 r i Page 10 * %_% REC, R=RPD, A-ABS Diff., D=% Diff.