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' 07 June 2004 <br /> AGE-NC Project No 02-0926 <br /> Page 4 of 11 <br /> 1 3 1 2 Soil Logging <br /> After sample preservation,soil was extruded from the remaining brass and acetate sleeves and field- <br /> screened utilizing an organic vapor analyzer(OVA)equipped with a photo-ionization detector(PID <br /> Then-no Environmental 580b, 10 0 eV, calibrated to isobutylene) The soil was also described by an <br /> AGE geologist in accordance with the Umfied Soil Classification System Soil boring logs exhibiting <br /> ' soil profiles are depicted in Appendix A <br /> ' 3 1 3 Grab Ground Water Collection and Analysis <br /> After probing to a depth of 47 feet bsg in B4, 54 feet bsg in B5 and 57 feet bsg in B6, ground water <br /> was found to be at approximately 43 feet bsg A`grab'ground water sample was collected from each <br /> boring, the ground water samples were extracted by lowering tubing down one-inch diameter PVC <br /> casing with a 10-foot long, 0 010-slotted well screen at the bottom of the boring The ground water <br /> rsamples were transferred into three or four laboratory supplied 40-m1 volatile organic analysis <br /> (VOA) vials containing 0 5 ml hydrochloric acid (18%) as sample preservative, one 1-liter amber <br /> • bottle without sample preservative and one 16 oz container with nitric acid as a sample preservative <br /> ' After collection, the samples were properly labeled, placed in a chilled container and transported <br /> under chain-of-custody to MAI or CTEL and analyzed for the same petroleum hydrocarbon products <br /> ' listed in Section 3 1 1 <br /> ' 3 2 MONITORING WELL INSTALLATION, DEVELOPMENT AND SURVEY <br /> Three ground water monitoring wells(MW-I through MW-3)were installed on 29 January 2004 and <br /> ' 03 February 2004, developed on 12 February 2004 and surveyed on 01 and 03 March 2004 <br /> 3 2 1 Drilling and Sampling ' <br /> The pilot borings for monitoring wells MW-1 and MW-2 were advanced using a CME-75HT drill <br /> ' ng, equipped with 8 25-inch diameter hollow-stem augers The drill rig and three-man crew were <br /> supplied by Mitchell Drilling Environmental The pilot boring for monitoring well MW-3 was <br /> advanced using a limited access ng(LAR) equipped with 8 25-inch diameter hollow stem-augers <br /> ' The drill ng and three-man crew were supplied by Cascade Drilling Auger returns generated by <br /> drilling were contamenzed in properly labeled Department of Transportation(DOT)-approved model <br /> 17H 55-gallon drums and stored on-site <br /> ' Advanced Geo Environmental,Inc <br />