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i <br /> 1 <br /> i <br /> TABLE 4 <br /> • ANALYTICAL RESULTS - VAPOR SAMPLES <br /> 102 S Wilson Way <br /> Stockton, Califorma <br /> (in µg/f) <br /> Page 4 of 4 <br /> Date Sample 'TPPIR B T E X Dent. <br /> ' Eff. <br /> 04/29/02 Influ 200 049 1 1 12 16 NA <br /> 05/07/02 Influ 220 062 12 12 14 >99% <br /> Efflu to 0 11 0 018 <0 0044 00088 <br /> 05/28/02 Influ 200 042 086 1 3 17 NA <br /> ' 06/11/024 Influ 280 099 1 5 14 18 >99% <br /> Efflu 14 0 043 0 013 <0 0044 0 013 <br /> '• 06/17/02 Influ 210 068 1 5 1 8 21 NA <br /> Efflu -- -- -- -- -- <br /> ' 251034 Influ 1400 12 21 14 70 <br /> 111 9g%p <br /> ' Efflu 11 1 7 053 0 094 028 <br /> NOTES: <br /> ' TPPH = Total Purgeable Petroleum Hydrocarbons (modified EPA method 8015) <br /> BTEX = Benzene, Toluene, Ethylbenzene, total Xylenes (EPA method 8020) <br /> 14g/f — micrograms per liter <br /> ' Dest Eff — Destruction Efficiency based on TPPH concentrations <br /> Not sampled/not calculated <br /> 1 = Cross contamination suspected <br /> ' 2 = Indicated destruction efficiency less than 95%, alternate APCD <br /> requirement of less than 2 lbs/day discharge not exceeded <br /> 3 = Effluent sample bag leaked, insufficient vapor to analyze <br /> ' 4 — MTBE detected in samples <br />