Laserfiche WebLink
Date February 28, 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 /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(Fourth 2009) <br /> 1 Groundwater samples were collected from monitoring wells MW-1 through MW-7 Delta's technician <br /> visited the site to install a monument over well MW-10 below asphalt grade Paving work on Hammer <br /> Lane is still in progress and well MW-10 was not sampled due to inaccessibility <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 /> �i WORK PROPOSED FOR NEXT QUARTER(First 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 February 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 /> (TSA), di-isopropyl ether (DIPE), ethyl tertiary butyl ether (ETBE), and tertiary 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 is completed, Delta will coordinate with Teichert Construction to <br /> reconstruct the well head of MW-10 <br /> P1APC0121301QTRLY120011Arco_2130_4Q01 doc Delta <br />