ARCHIVED REPORTS XR0000660 - Laserfiche WebLink

Home Browse Search

31August 2000 AGE Project No 96-0232 Page 6 of 25 of 12 4g11 A report of findings (Quarterly Report-First Quarter 2000, dated 01 May 2000) documenting investigation activities performed In March 2000 was prepared by AGE and submitted to the PHS-EHD and the RWQCB • 02, 03 and 04 April 2000- Grab ground water samples were collected adjacent to CPT soil borings P13, P14, P15, P16 and P17 Dissolved MTBE was detected in grab ground water samples from P16 in the 37 to 40-foot, 53 to 56-foot, 70 to 73-foot and 87 to 90-foot samples at concentrations as high as 280µg/1 Dissolved MTBE was detected in grab ground water samples from P17 in the 37 to 40-foot, 55 to 58-foot and 80 to 83-foot samples at concentrations as high as 150µg/l Dissolved TBA was detected in the 37 to 40-foot sample collected from P16 and the 111 to 114-foot sample from P-17 at concentrations of 6µg/l and 7 1 µg/1,respectively Dissolved methanol was detected in the 64 to 67-foot and the 73 to 76- foot samples collected from P13 at concentrations of 85 µg/1 and 170 ug/l, respectively Dissolved ethanol was detected in the 37 to 40-foot and the 70 to 73 foot samples collected from P16 at concentrations of 8 5 µg/l and 8 6 µg/l, respectively, dissolved ethanol was ' detected in the 37 to 40-foot, 55 to 58-foot, 80 to 83-foot and the 111 to 114-foot samples collected from P17 at concentrations as high as 27µg/l A report of fundings (Quarterly Report - Second Quarter 2000, dated 19 July 2000) documenting investigation activities 10 performed in April 2000 was prepared by AGE and submitted to the PHS-EHD and the RWQCB • 03 April 2000- Interim remediation measures were initiated at the site by pumping ground water from EW-1 at a rate of 2 gallons per minute into a 5,900-gallon above ground storage Baker tank A total of four grab ground water samples were collected during ground water Iextraction from EW-1,MTBE was detected in the samples at concentrations as high as 1,800 µg/l A report of findings (Quarterly Report - Second Quarter 2000, dated 19 July 2000) documenting investigation activities performed in April 2000 was prepared by AGE and Isubmitted to the PHS-EHD and the RWQCB • 28 April 2000- Ground water monitoring was performed on MW-1, MW-2, MW-4, MW-5,, MW-6 and MW-7 General ground water flow direction was locally variable between southeast and southwest at a general gradient of 0 003 Laboratory analysis of ground water samples detected MTBE at concentrations as high as 3,700 ,ug/l, TAME, ETBE and TBA were detected in samples collected from MW-1 at concentrations of 15 ,ug/l, 11 µg/l and 54,ug/l,respectively Methanol was detected in samples collected from MW-5, MW-6A and MW-6B at concentrations of 180µg11, 120 4g/1 and 97µg11, respectively Analysis of a grab ' ground water sample collected from RDW-1 detected MTBE at a concentration of 20µg/1, methanol was detected from Flag City municipal wells CSA-1 and CSA-2 grab water samples at concentrations of 120 4g11 and 73 µg/1, respectively A report of findings (Quarterly Report- Second Quarter 2000, dated 19 July 2000) documenting investigation activities performed in April 2000 was prepared by AGE and submitted to the PHS-EHD and the RWQCB Advanced GeoEnvironmental,Inc