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25 February 2002 <br /> . AGE-NC Prod ect No 00-0764 <br /> Page 4 of 8 <br /> 32 SOIL LOGGING <br /> After sample reservation soil was extruded from the remaining sleeves and screened utilizing an <br /> P p g g <br /> organic vapor meter(OVM),equipped with a photo-ionization detector(PID Thermo Environmental <br /> 580A, 10 0 eV,calibrated to isobutylene), the concentrations readings were recorded on the boring <br /> logs The soil was also visually descnbed in accordance with the Unified Soil Classification System <br /> Soil boring logs exhibiting soil profiles are depicted in Appendix A <br /> 33 GRAB GROUND WATER SAMPLE COLLECTION <br /> Probe borings B1, B2, B3 and B4 were sampled for ground water A 20-foot, temporary, pre- <br /> cleaned, one-inch outside diameter, 0 01-inch slotted well screen was placed into the soil boring to <br /> a depth of 40 feet bsg A Geoprobe water sampling assembly was advanced to a depth of 65 feet bsg <br /> in boring B1,the temporary, pre-cleaned, one-inch outside diameter, 0 01-inch slotted well screen <br /> was then exposed the ground water Each ground water sample was extracted by lowering a modified <br /> Teflon bailer into the screen section of the temporary wells After sample retrieval, the water <br /> samplers were disassembled and cleaned New Teflon tubing was used to collect each sample <br /> Samples were collected in three laboratory-supplied, 40-m1 volatile organic analysis (VOA) vials <br /> containing 4 5 ml hydrochloric acid (18%) as sample preservative and in one 1-liter amber bottle <br /> without a sample preservative, according to Standard Methods <br /> ' The labeled containers wereP laced in a chilled container under ice and transported under chain-of- <br /> custody to MAI for analysis <br /> 34 LABORATORY ANALYSIS OF SAMPLES <br /> Ground water samples and selected soil samples were analyzed for <br /> • Total petroleum hydrocarbons quantified as gasoline and diesel (TPH-g and TPH-d) in <br /> accordance with EPA Method 8015 Modified, <br /> LBenzene, toluene, ethyl benzene and total xylene (BTEX) and methyl tertiary butyl ether <br /> (MTBE) in accordance with EPA Method 8020, <br /> ' Volatile organic compounds (VOCs) and oxygenated fuel additives MTBE, tertiary butyl <br /> alcohol(TBA),di-isopropyl ether(DIPE),ethyl tertiarybutyl ether(ETBE)and tertiary amyl <br /> methyl ether (TAME), methanol, ethanol, ethyl-dibromide (EDB) and 1,2-dichloroethane <br /> (1,2-DCA) in accordance with EPA Method 8260 <br /> Advanced GcoEnvironmental,Inc <br />