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J00-0SrgT0s 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: 11021C <br /> Project Number: R11B03 75 Hawthorne Street Reported: 03/09/1109:18 <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 BlAO089-5030 P&T TPH-G-TPH-Purgeable Prepared&Analyzed:01/24/11 <br /> Purgeable Petroleum Hydrocarbons by EPA Method 8015C-Quality Control <br /> Blank(B1A0089-BLKl) <br /> TPH as Gasoline ND U 50 ug/L <br /> Surrogate:a,a,a-Tris luorotoluene 117 125 93 76-121 <br /> LCS(B1A0089-BSI) <br /> TPH as Gasoline 531 50 ug/L 500 106 75-114 200 <br /> Surrogate:a,a,a-Tris luorotoluene 131 125 105 76-121 <br /> Matrix Spike(B1A0089-MSl) Source:1101030-03 <br /> TPH as Gasoline 502 50 ug/L 500 ND 100 71-114 11 <br /> Surrogate:a,a,a-Tris luorotoluene 131 125 105 76-121 <br /> Matrix Spike Dup(B1A0089-MSDl) Source:1101030-03 <br /> TPH as Gasoline 514 50 ug/L 500 ND 103 71-114 2 11 <br /> Surrogate:a,a,a-Tris luorotoluene 127 125 101 76-121 <br /> Batch B1A0095-3520C CLLE-TPH-Extractable Prepared:01/24/11 Analyzed:01/26/11 <br /> Extractable Petroleum Hydrocarbons by EPA Method 8015B-Quality Control <br /> Blank(B1A0095-BLKl) <br /> TPH-Diesel Range Organics ND U 250 ug/L <br /> TPH-Oil Range Organics ND U 1,000 " <br /> Surrogate:Hecacosane 135 150 90 60-127 <br /> LCS(B1A0095-BSl) <br /> TPH-Diesel Range Organics 1,170 250 ug/L 1500 78 54-115 200 <br /> Surrogate:Hexacosane 141 150 94 60-127 <br /> Batch BlAO109-3520C CLLE-TPH-Extractable Prepared:01/26/11 Analyzed:01/28/11 <br /> Extractable Petroleum Hydrocarbons by EPA Method 8015B-Quality Control <br /> Blank(B1A0109-BLK1) <br /> TPH-Diesel Range Organics ND U 250 ug/L <br /> TPH-Oil Range Organics ND U 1,000 " <br /> Surrogate:Hexacosane 158 150 105 60-127 <br /> LCS(B1A0109-BS1) <br /> TPH-Diesel Range Organics 1,280 250 ug/L 1500 85 54-115 200 <br /> Surrogate:Hexacosane 159 150 106 60-127 <br /> Batch B1A0110-5030 P&T TPH-G-TPH-Purgeable Prepared&Analyzed:01/27/11 <br /> Purgeable Petroleum Hydrocarbons by EPA Method 8015C-Quality Control <br /> 1101030,1101039 FINAL 03 09 11 0918 Page 5 of 7 <br />