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i <br /> . TABLE 4 <br /> ANALYTICAL RESULTS - VAPOR SAMPLES <br /> 102 S Wilson Way <br /> Stockton, California <br /> (in pgl f) <br /> ' Page 3 of 3 <br /> Date Sample TPPH B T E X Dest. <br /> EfP. <br /> ' 06/21/99 Influ 176 <0 100 0 432 0 688 109 >92% <br /> Efflu < 100 <0 100 <0 100 <0 100 <0 100 <br /> 07/19/99 Influ 212 <0 200 0 424 0 820 952 >94% <br /> Efflu < 10 <0 100 <0 100 <0 100 <0 100 <br /> 08123199`' Influ 170 <0 026 080 1 2 13 96% <br /> Efflu 50 014 0 024 <0 0044 0 020 <br /> ' 09/13/994 Influ 140 024 073 12 13 92%2 <br /> Efflu 83 059 024 0 040 031 <br /> 10/18/994 Influ 160 032 073 1 4 17 >97% <br /> i ' Efflu 3 2 030 0 056 <0 0088 0 037 <br /> 12/28/994 Influ 75 016 052 10 8,4 <br /> >92%2 <br /> Efflu 45 030 Oil 0 015 Oil <br /> NOTES: — <br /> TPPH Total Purgeable Petroleum Hydrocarbons (modified EPA method 8015) <br /> BTEX = Benzene, Toluene, Ethylbenzene, total Xylenes (EPA method 8020) <br /> ' AgIr _ micrograms per liter <br /> Dest Eff — Destruction Efficiency based on TPPH concentrations <br /> -- — Not sampled/not calculated <br /> Cross contamination suspected <br /> 2 — destruction efficiency less than 95%, alternate APCD requirement of less <br /> than 2 lbs/day discharge not exceeded <br /> 3 — Effluent sample bag leaked, insufficient vapor to analyze <br /> 4 -- MTBE detected in samples <br /> I � <br />