SITE INFORMATION AND CORRESPONDENCE_FILE 2

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December 8, 2000 Ground water samples and soil vapor samples collected (see finding see Quarterly Report Fourth Quarter). June 8, 2001 Ground water and water samples collected. (See Second quarter 2001 for findings). October 25, 2001 Well monitoring and Evacuation, Ground water samples collected. (See Third Quarter 2001 for findings). Between December 2001 and March 2002 three (3) ground water recovery wells a ground water treatment system and associated piping were installed March 25 2002 Installation of ground water extraction pumps. April 2002 Advanced Geological Engineering initiated a ground water treatment start-up period to test the efficiency of the ground water pump and treat system. April 2, 2002 Well monitoring and evacuation, water samples collected. Among other finding a high concentration of Benzene was detected in well MW1. (See finding/discussion First quarter 2002 report). August 12, 2002 continuing quarterly monitoring at the site, continuing operation and maintenance of the ground water extraction and treatment system. Between May 30 and August 2002 the interim ground water pump-and-treat was in continuous operation at a maximum flow rate of 12 gallons per minute September 9, 2002 ground water monitoring and sampling were performed (See November 2002 Advanced Geological Engineering for findings). February 16, 2003 The State Water Resources Control Board Mr. Dennis Parafett stated his office would deny the Appeal for Closure and that he did not support Closure February 27, 2003 Ground water treatment and monitoring continued. A total of 2,459,704 gallons of water was treated since ground water extraction began on April 02, 2002 April 21 thru 23 2003 Quarterly ground water monitoring and samples continued. October 31, 2003 Ground water treatment continued. A total of recovered Benzene mass of 6.69 and TPHg mass of 140 lbs.