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i <br /> ' i , ❑ i <br /> i y <br /> CALIFORNIA LABORATORY SERVICES - <br /> i <br /> 11/05/04 15 09 <br /> ENSR-Sacramento ,_ w r Project Former Unocal 5098,5606 ppe�c ��we toCkto , <br /> r CL Work rper� JO$$3 <br /> 10411 Old Placerville Rd ,Suite 210 Project Number 06940-293.106 <br /> COC# None <br /> Sacramento,CA 95827-2508 Project Manager Ben 1 Hemngburg r <br /> Volatile Organic Compounds by EPA Method 8260B - Quality Control <br /> Reporttng Spike ' Source ' %RBC ° RPD <br /> Analyte Result Lunt Umts Level Result %REC Limits RPD Limit Notes , <br /> Batch CN08519-EPA 5030 Water MS <br /> Blank(CN08519-BLKI) Prepared&Analyzed 11/02/04 <br /> 1,3,5-Tnmethylbenzene ND 050 pg/L <br /> Vinyl chloride ND 1 0 " <br /> Xylenes(total) ND 1'0 <br /> Di-isopropyl ether ND 050 " <br /> Ethyl tert butyl ether ND 050 r <br /> tert-Amyl methyl ether ° ND 050 " <br /> -Tent-butyl alcohol rT —ND 50 <br /> Surrogate 12-Dtchloroelhane-d4 q13 100 113 66-135 <br /> Surrogate Toluene-d8- ,e ' 848 a 1001848 72-125 <br /> Surrogate 4-Bromofluorobenzene " 177 -- 100 <br /> 177 73-125_ S•' <br /> LCS(CN08519-BSI) Prepared&Analyzed 11/02/04 <br /> Benzene 216 0 50 µg/L 200 108 60-135 <br /> �w'c-obc^ze^e 21 U 0 5n 200 110 60-133 <br /> IJ-Dtchloroethene 228 + 050 200 114 42-150 <br /> Toluene 22 1 0 50' 20 0 110 60-137- <br /> Trichloroethene 226 050 200 113 62-140 <br /> Surrogate 12-Dtchloroelhane-d4 998 100 998 66-135 <br /> Surrogate Toluene-d8— --z 10 0-,—_-= 106---72-12.5- <br /> Surrogate <br /> 72-125 Surrogate 4-Bromofluorobenzene 865 100 865 73-125 y <br /> LCS Dup(CN08519-BSDI) Prepared&Analyzed 11/02/04 <br /> Benzene -24 7 __ 0 50_ ug/L------ 20V V 124 -"'x'60-135` 134- 25•� `�• <br /> Chlorobenzene 246 050 200 123 60-133 116 25 <br /> 1,1-Dichloroethene 25 3 0 50 200 126 42-150 10 4 25 <br /> Toluene 25 6 050 200 128 60-137 14 7 25 <br /> Trichloroethene- - -26 2 0 50 200 131 - 62-140 14 8 25 <br /> Surrogate 12-Dtchloroelhane-d4 934 100 93 4 66-135 y ' <br /> Surrogate Toluene-d8 105 100 105 72-125 F <br /> Surrogate 4-Bromofluorobenzene 9 03 10 0 903 73-125 <br /> , <br /> CA DOHS ELAP Accreditation/Registration Number 1233 <br /> 3249 Fitzgerald Road Rancho Cordova, CA 95742 www.californialab com 916-638-7301 Fax 916-638-4510 <br />