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Sherwood <br /> Lags 8071 NORTH LANDER AVENUE <br /> C O R P O R A T I O N PO BOX 937 <br /> HILMAR CALIFORNIA 95324 <br /> 01/08/01 OUALXTY CONTROL REPORT DHS Cert. #1400 <br /> Total Petroleum Hydrocarbons(TPH) Analysis <br /> 1 Client GEOLOGICAL TECHNICS INC. Date Received 01102101 <br /> ' 2741 RIVER RD. Date Started 01/03/01 <br /> MODESTO, CA 95351 Date Complete: 01./05/01 <br /> ATTN: RAY KABLANOW <br /> Lab Report #• H1010207 Lab Sample #,PH1010037-PH1010039 <br /> Linearity Check <br /> BTEX Benzene 0.9994 TPH Gasolane 0 9999 <br /> Toluene 0.9995 TPH Diesel 0 9978 <br /> Ethyl Benz 0.9992 Motor Oil 0.9962 <br /> Xylenes 0.9991 TRPH (418.1) N/A <br /> ' MTBE N/A <br /> std % Repeatability MTBE Benzene Toluene Eth Benz Xylenes <br /> ' BTEX N/A 95 94 95 95 <br /> TPH Gasoline 95 TPH Diesel 105 <br /> TRPH (418.1) N/A Motor Oil 100 <br /> (Bla�tri, spike Racaverfes MS MSD RPD <br /> 1 <br /> MTBE N/A N/A N/A <br /> ' BTEX Benzene 93 91 2 <br /> Toluene 96 94 2 <br /> ' Ethyl Benz 99 91 8 <br /> Xylenes 95 92 3 <br /> TPH Gasoline 99 98 1 <br /> TPH Diesel 119 111 7 <br /> Method 9lank MTBE Benzene Toluene Eth Benz Xylenes <br /> ' BTEX N/A <.3 ug/L <.3 ug/L < 3 ug/L <.3 ug/L <br /> TPH Gasoline <50 ug/L Diesel/MO <50 ug/L TRPH(418 1) N/A <br /> Lab control Sample % Recovery EPA Performance Acceptance Range <br /> BTEX Benzene 94 73 1 - 124 <br /> Toluene 92 73 6 - 120 <br /> Ethyl Benz 90 72.5 -- 118 <br /> Xylenes 98 72 7 - 121 <br /> ' TPH Gasoline 99 82.4 = 117 <br /> TPH Diesel. 101 76.5 136 <br /> TRPH (418.1) N/A N/A <br /> N icy B�e�r l=g, Lab Dir tdr <br /> ' OFFICE (209) 667-5258 FAX (209)667-2581 <br />