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i I F r I , 12 January 2004 AGE-NC Project No 95-0121 ' Page 2 of 6 v r a ' — s ' Temperature, pH and conductivity (field parameters) were measured for stabilization at regular purge-volume intervals from each well using an Oakton water analyzer Field data arid logs are Included with Appendix A Purged ground water was containerized in a Department of ' Transportation (DOT) or United Nations (UN)-approved 55-gallon steel drums and was stored`on- ' site in an area lacking general public access 2 2 FLOATING PETROLEUM PRODUCT REMOVAL ' On 30 July 2003, approximately 0 65 feet of free-phase'floating petroleum,product was measured ,in well, VW-1 utilizing a Solinst Interface Probe (Appendix C), thereafter, a clear, disposable ' "*1yethylene bailer was utilized at the well to remove floating petroleum product and ground water,' ' bailing activities continued (approximately 4'/2 gallons) until product could not be observed � F On 13 August 2003,approximately 0 43 feet of free-phase floating petroleum product was measured ' in well VW-1 utilizing a Solinst Interface Probe (Appendix C), thereafter, a clear, disposable polyethylene bailer was utilized at the well to remove floating petroleum product and ground water, • bailing activities continued (approximately 5 gallons) until product could not be observed 1 ` On 10 September 2003, approximately 0 61 feet of free-phase floating petroleum product was ' measured in well VW-1 utilizing a Solinst Interface Probe (Appendix C), thereafter, a clear, disposable polyethylene bailer was utilized at the well to remove floating petroleum product and ground water, bailing activities continued (approximately 3 gallons) until product could not be observed y w I a On 25 September 2003, approximately 0 50 feet of free-phase petroleum product was measured in I well VW-1 utilizing a Solinst Interface Probe(Appendix C), floating petroleum product and ground - water was removed from the well utilizing a clear, disposable,polyethylene bailer Manual product removal(bailing)activities continued(approximately 6 gallons)until product could not be observed The removal was performed in a accordance with Cali form a Underground Storage Tank Regulations, Article 5, Section 2655 'The free=phase petroleum product and purged ground water was stored on- site ir4,55-gallon, DOT/UN-approved storage`drums 2 3 GROUND WATER SAMPLING L 3 S Following wellpurging,groundwater levels at wells MW-1 through M {9 and wells VW-1 through VW-4 and VW-6 achieved a minimum of 80 percent recharge prior to sample collectiori,well VW-5 • did not achieve 80%recharge due to being purged `dry' Groundwater samples were collected from , 1 I Advanced GeoEnvrronmental,Inc , II 71 4 I th u