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iWork Pian . Canepa's Car Wash Ala) 28, 1997 Page 5- conduit and meter installation The trenching and gas line installation will be performed in accordance with City of Stockton requirements The City of Stockton will conduct an inspection during the installation of the gas line 3 2 4 Electrical All electrical work will be performed by a licensed electrician The electrical power source is located on the southeast corner of the Jiffy-Lube building (Figure 3, Appendix A) A separate service panel will be installed adjacent to the existing Jiffy-Lube service panel PG&E will connect the service panels and install a separate power use meter The electrical conduit will be trenched to the system by a licensed contractor The electrical system will be installed in accordance with City of Stockton requirements The City of Stockton will perform an inspection during the trenching and installation of the electrical conduit and service panel 3 3 CAT-OX System Air Stream Analyses Following system start-up, analytical vapor samples will be collected from the CAT-OX system inlet . and exhaust using SUMMA canisters or Tedlar bags In addition, vapor concentrations from the inlet and exhaust will be concurrently measured with a PID to calibrate the PID for future field measurements The APCD and the PHSIE14D will be notified at least 48 hours prior to the vapor sampling for on-site inspection ' The vapor samples will be submitted under chain-of-custody procedures to a California Certified Laboratory The vapor samples will be analyzed for total petroleum hydrocarbons as gasoline (TPH- G), benzene toluene, ethyl benzene, and xylene (BTEX), and for methyl tertiary butyl ether (MTBE) The proposed methods and detection limits are presented below Vapor samples will be analyzed for• -TPH(G) Method EPA TO-3, quantified as gasoline, detection limit 0 010 ppmv/0 042 p g/L -BTEX Method EPA TO-3, detection limits 0 001 ppmv/0 004 4g/L -MTBE Method EPA TO-3, detection limits 0 001 ppmv/0 004 µg/L 3 4 CAT-OX System Monitoring The CAT-OX system will be monitored by an environmental technician, engineer or geologist on a monthly basis or as required by the APCD and PHS/EHD PID vapor screening will be conducted at the system inlet and exhaust to evaluate the destruction efficiency of the CAT-OX system Vacuum measurements in inches of H2O will be recorded from gages connected to each extraction well d the CONDOR