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Nov 9 io <br /> Pr Number SM175-0204 72 <br /> Consuleant Number 30-189 <br /> Number Fs�y Number 96465 Stockton X <br /> 1Alork Order Number 0010839 <br /> Asport flaw Date November 7,1990 <br /> Table 5 <br /> MATRIX SPIKE (MS) RECOVERY REPORT <br /> Purgeable Aromatics and Total Petroleum Hydrocarbons <br /> as Gasoline In Water <br /> EPA Method 8020/8015 <br /> Date of Analysis 11/03/90 Client ID. EFF <br /> Sample Spiked 0010672-02 Units- ug/L <br /> Sample Concentration Concentration MS MS, % Acceptability <br /> Analyte Result Added Recovered Result Recovery LI ',% <br /> Benzene <03 25 266 266 106 71 -123 <br /> Toluene <03 25 25 4 254 102 69-120 <br /> Ethylbenzene <03 25 262 262 105 72- 121 <br /> Xylene(total)__ <06 75 1 763 763 102 75-123 <br /> <# = Not detected at the Indicated detection limit. <br /> 1 a Acceptability limits are derived from the 99%confidence,interval of all samples during the <br /> pmvl us quarter- <br /> • G-ta Cwxwd,CA f'w 8 of 9 <br /> C010M°OC MGTEL <br /> �NVIM0it I K I A L NBONATO ♦ INC- <br />