Laserfiche WebLink
30 September 2005 <br /> • AGE-NC Project No 99-0657 <br /> Page 3 of 8 <br /> • The fuel additives di-Isopropyl ether(DIPS), ethyl tertiary-butyl ether (ETBE), and methyl <br /> tertiary-butyl ether (MTBE) , tertiary-amyl methyl ether (TAME), tertiary butanol (TBA), <br /> 1,2-dichloroethane (1,2-DCA) and ethylene dibromide (EDB) in accordance with EPA <br /> Method 8260B <br /> 21 5 Monitoring Well Development <br /> On 25 January 2005,monitoring well MW-9 was developed utilizing a stainless steel hand bailer and <br /> an Inertia tubing Wattera pump Ground water was purged from each monitoring well until ground <br /> water was visually sediment free Approximately 15 gallons of water were removed from the well <br /> Ground water temperature, pH and conductivity were measured at regular Intervals during purging <br /> using an Oakton water analyzer Field sheets and data are included in Appendix C Purged water was <br /> stored on-site in properly labeled,55-gallon Department of Transportation(DOT)-approved drums <br /> I <br /> 2 16 Soil Disposal <br /> • On 25 February 2005, nine 55-gallon drums of soil cuttings were removed from the site by Slaby <br /> Environmental The soil cuttings were transported under manifest to Western Environmental in <br />' Mecca, California The non-hazardous waste manifest Is presented in Appendix D <br /> 2 2 QUARTERLY WELL MONITORING PROCEDURES <br /> The quarterly ground water monitoring event was performed on 31 January 2005, ground water <br />' monitoring was performed on monitoring wells MW-1 through MW-6 and MW-9 <br /> 2 2 1 Well Monitoring and Evacuation <br /> On 31 January 2005, the depth to ground water in monitoring wells MW-1 through MW-9 was <br />' measured from the top of each well casing to the nearest 0 01-foot utilizing a Solmst water level <br /> meter Ground water elevation in each well was calculated by subtracting the measured depth to <br />' ground water from the surveyed casing elevation (Table 1) <br /> After recording water level measurements, dedicated disposable plastic bailers were used to purge <br />' wells MW-1 through MW-6 and MW-9 of standing water Approximately 4 5 to 6 gallons of water <br /> (a minimum of three casing-water volumes per well) were removed from wells MW-1 through <br /> MW-4 and MW-9,wells MW-5 and MW-6 were purged near-dry after approximately 2 gallons were <br /> Advanced GeoEnvironmental,Inc <br />