Laserfiche WebLink
i 1 <br />• ATTACHMENT A <br /> REMEDIAL ACTION PERFORMANCE SUMMARY THIRD QUARTER 1996 <br /> SOIL-BASED REMEDIAL SYSTEM <br /> Site Name Unocal Service Station 2859 Permitting Agency SJVUAPCD <br /> Site Address 1665 Pacific Avenue, Stockton California ATC No N-3529-1-0 <br /> Abatement Equipment Internal Combustion Engine ATC Expiration Date 12/29/97 <br /> Start-Up Date 2112196 Estimated Shutdown Date Unknown <br /> REMEDIAL OBJECTIVES <br /> o Mass Removal <br /> o Regulatory Compliance <br /> OPERATIONAL DATA <br /> I <br /> Treatment System Data July August September <br /> Operational Status7096 Operational 77%Operational 51%Operational <br /> Instantaneous Flow Rate(scfm) 72 I04] 70 86 Table 1 Page A-2 <br /> TPPH and Benzene Summary July August September <br /> Influent TPPH-gasoline (ppmv) 71 804 567 709 Table 1 Page A-2 <br /> Influent Benzene (ppmv) <20 40 35 35 Table 1 Page A-2 <br /> Effluent TPPH-gasoline (ppmv) 31 50 132 61 Table 2 Page A-3 <br /> Effluent Benzene (ppmv) 069 16 1 2 083 Cumulative Table 2 Page A-3 <br /> Mass TPPH Removed (lbs) 3115 541 1 77 3 1 945 0 Table 1 Page A-2 <br /> Mass Benzene Removed (lbs) 1 24 238 0 34 7 821 Table 1 Page A-2 <br /> REMEDIAL ACTION PERFORMANCE EVALUATION <br /> Mass Removal The pilot test has removed nearly 2 000 pounds of hydrocarbons The mass removal trend <br /> shown in Figure 3 indicates that the system has reached an asymptotic state <br /> Regulatory Compliance Influent and effluent samples taken on August 29, 1996 showed a destruction efficiency of only <br /> approximately 913 percent with TPPH-gasoline emissions of approximately 3 3 pounds per day <br /> This falls outside of permit limitations(95 percent destruction efficiency or less than 2 pounds <br /> per day) However the samples taken on September 6, 1896 show that as of that date we are <br /> in full compliance with the San Joaquin Valley Unified Air Pollution Control District requirements <br /> ACTIONSIRECO M M ENDATIONS <br /> o PACIFIC will evaluate continuing operation of the SVE system through the fourth quarter of 1896 <br /> o PACIFIC will discontinue pilot testing of the system and relocate the internal combustion engine to another <br /> site during the fourth quarter of 1996 <br /> NATES <br /> scfm =Standard cubic feet per cornute <br /> ppmv=Parts per million by volume <br /> lbs =Pounds <br /> ND =Not detected above detection limit <br /> Note When appropriate,tabulated data is followed by associated graphical presentation <br /> 3100405A13Q96QPR XLS'3096 A-1 November 6, 1996 <br />