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■■ t I t 30 July 2004 u AGE-NC Project No 95-0121 IPage 2 of 6 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 and logs are L Included with Appendix A Purged ground water was containerized in Department of Transportation (DOT)or United Nations(UN)-approved 55-gallon steel drums and stored on-site In an area lacking general public access I2 2 FLOATING PETROLEUM PRODUCT REMOVAL I On 01 October 2003,approximately 0 37 feet offree-phase floating petroldum product was measured in well VW-1 utilizing a Solinst Interface Probe (Appendix B), thereafter, a clear, disposable polyethylene bailer was utilized at the well to remove floating petroleum product and ground water, Ibailing activities continued(approximately 5 gallons) until product could not be observed On 08 October 2003,approximately 0 34 feet of free-phase floating petroleum product was measured IIn well VW-1 utilizing a Solinst Interface Probe (Appendix B), thereafter, a clear, disposable polyethylene bailer was utilized at the well to remove floating petroleum product and ground water, bailing activities continued (approximately 6 gallons) until product could not be observed On 15 October 2003,approximately 0 18 feet of free-phase floating petroleum product was measured in well VW-1 utilizing a Solinst Interface Probe (Appendix B), thereafter, a clear, disposable polyethylene bailer was utilized at the well to remove floating petroleum product and ground water, bailing activities continued (approximately 4 gallons) until product could not be observed µOri 21 October 2003,approximately 0 20 feet of free-phase petroleum product was measured In well VW-1 utilizing a Solinst Interface Probe(Appendix B),floating petroleum product and groundwater I was removed from the well utilizing a clear,disposable polyethylene bailer Manual product removal (bailing) activities continued(approximately 2 gallons) until product could not be observed On 23 December 2003, approximately 0 06 feet of-free-phase petroleum product was measured in well VW-1 utilizing a Solinst Interface Probe(Appendix B), floating petroleum product and ground water was removed from the well utilizing a clear, disposable polyethylene bailer Manual product ;4 removal(bailing)activities continued(approximately 4 gallons)until product could not be observed ; The removal was performed in accordance with California Underground Storage Tank Regulations, ' Article 5, Section 2655 The free-phase petroleum product and purged ground water was stored on- site-in 55-gallon, DOT/UN-approved storage drums � r , 4 I Advanced Geo Ennronmental,Inc