Laserfiche WebLink
6 <br /> Mr Kyle Christie Project 0805-140 03 <br /> October 5, 1995 <br /> Page 4 <br /> • Submit soil samples to the laboratory for analyses of TPHG and BTEX using <br /> Modified Environmental Protection Agency (EPA) Methods 8015 and 8020, <br /> respectively Soil samples collected from under any former leaded gasoline tank <br /> will also be analyzed for total lead using EPA Method 7410 <br /> • Collect a soil sample from within 2 to 4 feet below the base of the former waste- <br /> oil tank <br /> • Submit the soil sample collected from the base of the waste-oil tank to the <br /> laboratory for analyses of TPHG using EPA Method 8015, BTEX using EPA <br /> Method 8020, TOG using EPA Method 5520 D and F, total petroleum <br /> hydrocarbons as diesel (TPHD) using EPA Method 8015, chlorinated <br /> hydrocarbons (CLHC) using EPA Method 8010, PCBs using EPA Method 8080, <br /> polynuclear aromatics (PNA) using EPA 8100, and cadmium, chromium, lead, <br /> nickel, and zinc using the Waste Extraction Test <br /> • Observe the removal of existing product lines and dispensers Collect and analyze <br /> one soil sample every 20 linear feet below the former product lutes and <br /> Sunderneath the dispensers for TPHG, BTEX, and total lead Up to eight soil <br /> samples will be collected from the dispensers, and up to seven soil samples will <br /> be collected from beneath the product tines <br /> Additional Excavation and Soil Sampling <br /> • If warranted, observe additional excavation in the gasoline-tank, product delivery <br /> Imes, and waste-oil tank cavities if field evidence indicates hydrocarbons remain <br /> in place EMCON will excavate until (1) field screening data (using a <br /> photoionization detector [PID]) of soil samples collected from the base and <br /> sidewalls of the excavated area indicate soil contains relatively lugh <br /> concentrations of hydrocarbons have been removed, or (2) the safe operating <br /> limits of the equipment are reached <br /> • Soil samples will be collected from each sidewall of the UST excavation for a <br /> total of four sidewall soil samples and at the base of the excavations Soil samples <br /> will be submitted for the appropriate laboratory analyses <br /> • Soli generated during the removal of the gasoline storage tanks and product <br /> delivery lines will be segregated from the soil generated during the removal of the <br /> waste-oil tank Soils generated from the waste-oil tank excavation will be stored <br /> on site and placed on and covered with visqueen <br /> SACV 1ARCON05481DESIGN108051400 3A5-95 wpt 3 <br />