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J00-0SNIO, United States Environmental Protection Agency
<br /> Region 9 Laboratory
<br /> °2 1337 S.46th Street, Building 201, Richmond, CA 94804
<br /> 44 PRo'�'�' Phone:(510)412-2300 Fax:(510)412-2302
<br /> Project Manager: Carolyn Douglas Brownfields and Site Assessment Section SDG: 11021B
<br /> Project Number: RI IB03 75 Hawthorne Street Reported: 02/22/11 13:18
<br /> Project: El Concilio Site#2 2011 TBA San Francisco CA,94105
<br /> Quality Control
<br /> Qualifiers/ Quantitation Spike Source %REC RPD RPD
<br /> Analyte Result CommentsLimit Units Level Result %REC Limits Limit
<br /> Batch BlA0098-5035 VOA Solid-VOCs,solids,medium Prepared:01/25/11 Analyzed:01/26/11
<br /> level Volatile Organic Compounds by EPA Method 8260C-Quality Control
<br /> Matrix Spike Dup(B1A0098-MSD1) Source:1101029-08
<br /> Vinyl chloride 3,150 330 2980 ND 106 65-129 8 20
<br /> Bromomethane 1,710 330 2980 ND 57 10-186 9 20
<br /> Chloroethane 2,390 330 2980 ND 80 10-190 47 20
<br /> Trichlorofluoromethane 3,850 330 2980 ND 129 58-140 11 20
<br /> 1,1-Dichloroethene 4,050 330 2980 ND 136 57-141 9 20
<br /> 1,1,2-Trichloro-1,2,2-trifluoroethane 3,940 330 2980 ND 132 59-153 9 20
<br /> Acetone 38,900 2,700 23900 ND 163 29-180 8 20
<br /> Dichloromethane 4,230 330 2980 ND 142 62-126 6 20
<br /> trans-1,2-Dichloroethene 4,290 330 2980 ND 144 66-127 7 20
<br /> tert-Butyl methyl ether(MTBE) 18,100 1,300 11900 ND 152 73-130 5 20
<br /> 1,1-Dichloroethane 4,360 330 2980 ND 146 68-123 6 20
<br /> cis-1,2-Dichloroethene 4,420 330 2980 ND 148 69-127 6 20
<br /> 2-Butanone(MEK) 39,700 2,700 23900 ND 166 51-161 8 20
<br /> Chloroform 4,420 330 2980 ND 148 69-123 6 20
<br /> 1,1,1-Trichloroethane 3,480 330 2980 ND 117 82-118 6 20
<br /> Carbon tetrachloride 3,250 330 2980 ND 109 80-125 9 20
<br /> 1,1-Dichloropropene 3,540 330 2980 ND 119 78-125 0.06 20
<br /> Benzene 3,500 330 2980 ND 117 79-116 2 20
<br /> 1,2-Dichloroethane 3,680 330 2980 ND 123 75-120 0.2 20
<br /> Trichloroethene 3,470 330 2980 ND 116 78-118 0.9 20
<br /> 1,2-Dichloropropane 3,530 330 2980 ND 118 79-119 1 20
<br /> Bromodichloromethane 3,460 330 2980 ND 116 79-117 4 20
<br /> cis-1,3-Dichloropropene 3,560 330 2980 ND 119 82-126 3 20
<br /> 4-Methyl-2-pentanone(MIBK) 27,000 2,700 23900 ND 113 76-135 0.1 20
<br /> Toluene 3,170 330 2980 ND 106 78-116 0.9 20
<br /> trans-1,3-Dichloropropene 3,330 330 2980 ND 112 83-123 3 20
<br /> 1,1,2-Trichloroethane 3,320 330 2980 ND 111 81-115 0.07 20
<br /> Tetrachloroethene 3,170 330 2980 ND 106 75-121 2 20
<br /> 1,3-Dichloropropane 3,350 330 2980 ND 112 81-116 0.3 20
<br /> 2-Hexanone 27,400 2,700 23900 ND 115 70-148 0.4 20
<br /> Chlorodibromomethane 3,120 330 2980 ND 105 77-122 5 20
<br /> 1,2-Dibromoethane(EDB) 3,360 330 2980 ND 113 81-118 0.8 20
<br /> Chlorobenzene 3,210 330 2980 ND 108 78-114 0.9 20
<br /> Ethylbenzene 3,230 330 2980 ND 108 80-119 2 20
<br /> m&p-Xylene 6,400 670 5970 ND 107 80-119 0.8 20
<br /> o-Xylene 3,290 330 2980 ND 110 81-121 1 20
<br /> Styrene 3,280 330 2980 ND 110 81-119 0.2 20
<br /> Bromoform 3,000 330 2980 ND 100 75-126 7 20
<br /> 1,1,2,2-Tetrachloroethane 3,340 330 2980 ND 112 78-119 2 20
<br /> 1,2,3-Trichloropropane 3,330 330 2980 ND 112 79-119 1 20
<br /> 1,3-Dichlorobenzene 3,190 330 2980 ND 107 78-116 0.4 20
<br /> 1,4-Dichlorobenzene 3,160 330 2980 ND 106 77-113 0.9 20
<br /> 1101029 FINAL 02 22 11 1318 Page 13 of 15
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