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CALIFORNIA LABORATORY SERVICES <br /> ��}'��� cc100127/04 15 33 <br /> p� <br /> ENSR-Sacramento Project Former Unocal 5098,5400 CLS Worke 8',o rtW'C1 10481 <br /> 10411 Old Placerville Rd,Suite 210 Project Number 06940-293 COC# 41205 <br /> Sacramento,CA 95827-2508 Project Manager Ben I Heningburg <br /> Conventional Chemistry Parameters by APHAIEPA Methods - Quality Control <br /> Reporting Spike Source %REC RPD <br /> Analyte Result Limit Units Level Result %REC Limits RPD Limit Notes <br />' Batch CN07118-General Prep <br /> Blank(CN07118-BLK1) Prepared&Analyzed 09/15/04 <br /> Chloride ND 050 mg/L <br /> Fluoride ND 010 <br /> Nitrate as NO3 ND 20 <br /> Sulfate as SO4 ND 050 <br /> LCS(CN07118-BSI) Prepared_&Analyzed 09/15/04 <br /> Chloride 202 050 mg1L 200 101 80-120 <br /> Fluoride 1 88 010 200 940 80-120 <br /> Nitrate as NO3 205 20 200 102 80-120 <br /> Nitrate as N 0 463 050 0 451 103 80-120 <br /> k Sulfate as SO4 499 050 500 998 80-120 <br /> LCS Dup(CN07118-BSD1) Prepared&Analyzed 09/15/04 <br /> Chloride 202 050 nig/L 200 101 80-120 000 20 <br /> Fluoride l 89 010 200 945 80-120 0 531 20 <br /> Nitrate as NO3 205 20 200 102 80-120 000 20 <br /> Nitrate as N 0 463 050 0 451 103 80-120 000 20 <br /> Sulfate as SO4 500 050 500 100 80-120 0200 20 <br /> Matrix Spike(CN07118-MSI) Source CNI0480-02 Prepared&Analyzed 09/15/04 <br /> Chloride 41 2 050 mg/L 200 41 too 75-125 [1M 4X <br /> Fluoride 207 010 200 016 95 5 75-125 <br /> Nitrate ds NO3 325 20 200 14 925 75-125 <br /> Nitrate as-N— _ 0_734 050 0 451 0 31 940 75 125 <br /> Sul tate as SO4 229 050 500 17 118 75-125 <br /> Matrix Spike Dup(CN07118-MSD1)__ _ Source_CNI0480-02 _ Prepared&Analyzed 09/15/04----- —_ __ _ <br /> Chloride 41 2 050 mg/L 200 41 100 75-125 000 25 QM-4X <br /> Fluoride 2 15 010 200 016 995 75-125 3 79 25 <br /> Nitrate is NO3 329 20 200 14 945 75-125 122 25 <br /> Nitrate is N 0 743 050 0 451 0 31 960 75-125 1 22 25 <br /> l <br /> Sulfate as SO4 230 050 500 17 120 75-125 0 436 25 <br /> CA DOI IS FLAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova,CA 95742 www californialab com 916-638-7301 Fax 916-638-4510 <br />