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4 :(. 29 October 2008 AGE-NC No. 04-1168 Page 4 of 5 recommendations for continuation of quarterly ground water monitoring. AGE received an EHD directive letter,dated 30 November 2005,approving continual quarterly ground water monitoring. QUARTERLY GROUND WATER MONITORING EVENTS Quarterly ground water monitoring commenced on 05 August 2005(third quarter). Utilizing site ground water monitoring wells, MW-1 through MW-3 the initial samples were analyzed for: • Total petroleum hydrocarbons quantified as gasoline (TPH-g) in accordance with EPA Methods 8015M; • Benzene,toluene,ethylbenzene and total xylenes(BTEX)in accordance with EPA Method 8260B; and • Fuel additives di-isopropyl ether(DIPE),ethyl tertiary-butyl ether(ETBE),methyl tertiary- butyl ether (MTBE), tertiary-amyl methyl ether (TAME), tertiary butanol (TBA), ethylene dibromide EDB in accordance with EPA 1,2-dlchloroethane (1,2-DCA) and ethy (EDB) Method 8260B. Above constituents of concern are to be reported as part.of the quarterly monitoring event analysis until an EHD approval letter providing a modified sampling schedule is received.Reported findings of historical and current quarterly ground water monitoring event analysis are documented on Table 2. On 10 October 2005, AGE published Monitoring Well Installation and Quarterly Monitoring Report which reported all 2005 third quarterly monitoring site activities,findings,conclusions,and recommendations. Quarterly ground water monitoring continued on 04 November 2005(fourth quarter).Utilizing site ground water monitoring wells, MW-1 through MW-3: On 27 October 2006, AGE published Quarterly Report-Fourth Quarter 2005 which reported all 2005 fourth quarterly monitoring site j activities, findings, conclusions, and recommendations. i On 04 January 2006, 100 gallons of purge waste water from quarterly monitoring events was removed from site by American Valley Waste Oil, Inc. Quarterly ground water monitoring continued on 03 February 2006(first quarter). Utilizing site ground water monitoring wells,MW-1 through MW-3.The wells were"drowned"by the increase of the depth to water and a representative sample could not be collected. Quarterly ground water monitoring continued on 12 July 2006(second quarter).Utilizing site groundwater monitoring wells, I MW-1 through MW-3. On 06 November 2006,AGE published Quarterly Report-First and Second Quarters 2006 which reported all 2006 first and second quarterly monitoring site activities,findings, conclusions,and recommendations. i Advanced GeoEnvironmental 1