Laserfiche WebLink
i • <br /> 02 May 2001 <br /> AGE-NC Project No 96-0249 <br /> Page 2 of 5 <br /> • CPT soil boring advancement, <br /> • Grab ground water sample collection and analysts, <br /> • Report preparation <br /> 2 1 PERMITTING AND PRE-FIELD WORK ACTIVITIES <br /> Applicable site assessment permits will be obtained from the PHS-EHD In addition, an update to <br /> the health and safety plan presently on-file will be prepared in accordance with Occupational Safety <br /> and Health Guidance Manual for Hazardous Waste Site Activities (National Institute for <br /> Occupational Safety and Health Administration, U S Coast Guard and U S Environmental <br /> Protection Agency, 1985) Prior to mobilization, the CPT boring locations will be clearly marked <br /> and a utility clearance obtained through Underground Service Alert <br /> 2 2 CPT DRILLING AND GRAB GROUND WATER SAMPLE COLLECTION <br /> AGE proposes to advance six additional CPT soil borings at the site to assess the lateral and vertical <br /> extent of hydrocarbon-impacted ground water Proposed CPT soil boring locations are illustrated in <br /> Figure 2 <br /> Based on hydrocarbon-impact encountered during the previous CPT site investigation (Figures 3 and <br /> 4), AGE proposes additional CPT soil borings in the following locations <br /> • Between 15 and 25 feet west-southeast of groundwater monitoring well MW-2 (P-13), <br /> • Between 50 to 70 feet east-northeast of ground water monitoring well MW-6 (P-14), <br /> • Between 30 to 50 feet west-southwest of ground water monitoring well MW-1 (P-15), <br /> • Between 55 to 75 feet northwest of ground water monitoring well MW-3 (P-16), <br /> • Between 60 to 80 feet northeast of ground water monitoring well MW-3 (P-17), and ' <br /> • Between 65 to 85 feet northeast of ground water monitoring well MW-2 (P-18) <br /> The CPT bonngs shall be advanced to approximately 150 feet bsg utilizing a 25-ton truck-mounted <br /> CPT drill ng equipped with 2-inch diameter hollow-stem rods, however,total depths of borings may <br /> vary in response to hydrogeologic conditions encountered and results of field screening during <br /> drilling activities <br /> i <br /> Advanced GcoEnvironmental,Inc <br />