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NOV 9 1990 <br /> Pr Number SFB-175-0204 72 <br /> Consultant Prr Number 30-189 <br /> . Contrail Number N46CW00244-9-X <br /> FaZZ Number 96485 Stockton <br /> Work Order Number ()010839 <br /> Report WSW Date November 7.19M <br /> Table 4 <br /> SURROGATE COMPOUND RECOVERY <br /> Naphthalene <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Water <br /> EPA Method 8020/8015 <br /> Acceptability Umltst 70.130% <br /> Expected Surrogate Surrogate <br /> GTEL,No Resta,ug/L. RecA ug/L. Recovery,% <br /> Blank 200 206 103 <br /> 01 200 231 116 <br /> 02 2W 243 122 <br /> 03 200 196 98 <br /> 04 2p0 210 105 <br /> 06 200 199 1100 <br /> 06 200 207 104 <br /> 07 200 208 104 <br /> 08 200 226 113 <br /> 200 192 96 <br /> MS 200 253 127 <br /> WS 2w 211 106 <br /> WSD 200 240 120 <br /> MS = Matrix Spike <br /> WS = Reagent Water Spike <br /> WSD - Reagent Water Spike Duplicate j <br /> 1 interval <br /> a Acceptabldy limits are derived from the 99%confidence <br /> of all samples during the previous quarter <br /> GTEL{'.onoord,CA Page 7 or 9 <br /> 0010839 DOC NGTEL <br /> }ITAL <br /> ENVIRONIIE <br /> IARORM0111R INC- <br />