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I11 November 2004 iAGE-NC Protect No 99-0624 ' Page 3 of 13 ' dated 30 October 2000) was submitted by AGE to the SJCEHD • November 1999-Ground water monitoring wells MW-1 through MW-4 were installed at the site to depths of 65 feet bsg TPH-g was detected in the 45-Foot soil sample from MW-2 at ' a concentration of 3 1 mg/kg, low concentrations of BTEX compounds were detected at 45 feet bsg from MW-1 and MW-2 at concentrations as high as 0 82 mg/kg Significant MTBE ' was detected from MW-3 at depths of 15 feet and 20 feet bsg at concentrations of 8 5 mg/kg and 11 mg/kg, respectively, MTBE was detected in the 45-foot soil sample from MW-2 at a concentration of 0 1 mg/kg Laboratory analysis of initial water samples collected from ' MW-1 through MW-4 detected TPH-g as high as 1,400 µg/1(MW-3),BTEX compounds as high as 190 µg11 and MTBE as high as 95 µg/1 (MW-2) A report of findings (Preliminary Investigation &Evaluation Report, dated 30 October 2000) was submitted by AGE to the ' SJCEHD • November 2001 -AGE advanced four cone penetrometer testing(CPT) soil bonngs(CPT-1 through CPT-4)to depths of approximately 100 feet bsg on-and off-site to assess the vertical Iextent of petroleum-impact and identify potential hydrogeologic units Laboratory analysis of grab water samples detected MTBE from CPT-1 at depths of 60 feet and 76 feet bsg at I concentrations of 88 µg/1 and 1 6 µg/1,respectively, from CPT-2 at depths of 76 feet, 80 feet and 100 feet at concentrations as high as 49 µg/1, and from CPT-3 at depths of 68 feet and 100 feet bsg at concentrations of 37 µg/1 and 4 3 µg/1, respectively MTBE was not detected I in water samples collected from CPT-4 (Table 1) A report of findings (Cone Penetrometer Testing(CPT)Report-November 2001 , dated 21 June 2002)was submitted by AGE to the SJCEHD • July 2003 - Ground water monitoring wells MW-6 and MW-7 were installed at the site to depths of 65 feet bsg and 90 feet bsg, respectively, installation of off-site well (MW-5)was not conducted due to permitting issues TPH-g was detected in the 25-foot soil sample from MW-6 and the 50-foot soil sample from MW-7 at concentrations of 0 mg/kg and 12 mg/kg, respectively, MTBE was detected from MW-7 at depths between 50 feet and 90 feet bsg at I concentrations as high as 28 mg/kg,respectively,TAME was detected in the 50-foot and 70- foot soil samples from MW-7 at concentrations of 0 11 mg/kg and 0 011 mg/kg,respectively, TBA was detected from MW-7 in the 50-foot soil sample at a concentration of 2 9 mg/kg Laboratory analysis of initial water samples collected from MW-7 detected MTBE at a r concentration of 16µg11 A report of findings(Quarterly Report-Third Quarter 2003, dated 02 February 2004) was submitted by AGE to the SJCEHD • April 2004-Ground water monitoring well MW-5 and soil borings P4 and P5 were installed at the site to depths of 65 feet bsg and 30 feet bsg, respectively, No constituents of concern were detected in any of the soil or initial ground water samples submitted for laboratory analysis A report of findings(Quarterly Report-Second Quarter 2004, dated 24 July 2004) was submitted by AGE to the SJCEHD Advanced GcoEnvironmental,Inc