Laserfiche WebLink
r <br /> Date April 30, 2002_ <br /> ARCO QUARTERLY GROUNDWATER MONITORING REPORT <br /> Facility No 2130 Address 7906 EI Dorado Street, Stockton, California <br /> ARCO Environmental Engineer Paul Supple <br /> Consulting Co/Contact Person Delta Environmental Consultants, Inc 1 Jay R Johnson <br /> Consultant Project No D000-328-1 <br /> Primary Agency/Regulatory ID No Mike Infurna, San Joaquin County Public Health Services <br /> WORK PERFORMED THIS QUARTER(First 2002) <br /> 1 Groundwater samples were collected from monitoring wells MW-1 through MW-7 Well MW-10 is still <br /> paved over <br /> 2 Delta compiled and evaluated groundwater monitoring data <br /> 3 Delta continued to infect ambient air at low flow rates into selected wells <br /> . WORK PROPOSED FOR NEXT QUARTER(Second 2002) <br /> 1 Delta will continue to perform routine quarterly groundwater monitoring on behalf of ARCO The next <br /> sampling event is tentatively scheduled for April 2002 <br /> 2 Groundwater samples from monitoring wells MW-1 through MW-7 and MW-10 (if accessible) will be <br /> collected and analyzed for total petroleum hydrocarbons as gasoline (TPHG) using U S <br /> Environmental Protection Agency (USEPA) Method 8015/8020 DHS LUFT, and for benzene, toluene, <br /> ethylbenzene, and total xylenes (BTEX), and methyl tertiary-butyl ether (MTBE), tertiary-butyl-alcohol <br /> (TBA), df-isopropyl ether (DIPE), ethyl tertiary butyl ether (ETBE), and ternary amyl methyl ether <br /> (TAME) using USEPA Method 8260 <br /> 3 Continue air bubbling of ambient air at low flow rates into select wells <br /> 4 If paving work in Hammer Lane 1s completed, Delta will coordinate with Teichert Construction to <br /> reconstruct the well head of MW-10 <br /> i <br /> P1ARCO121301QTRLY120021Arco_2130_1Q02 doe Delta <br />