ARCHIVED REPORTS XR0009215 - Laserfiche WebLink

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October 27 & 28, 1993 - Four (4) soil borings were placed on the site for the purpose of determining the extent of contamination found beneath the waste oil tank Their locations are shown on PLATE M. Refer to the January, 1994 report prepared by WJH titled "PROBLEM ASSESSMENT REPORT COVERING SOIL CONTAMINATION INVESTIGATION," for details of that work September 30, 1994 - One (1) 2" groundwater monitoring well (MW-1,) was placed on the property Details of that work is included in the WJH report titled "INTERIM REPORT AND RESULTS OF GROUNDWATER INVESTIGATION", dated October 31, 1994 June 1 & 2, 1995 - Two (2) 2" monitoring wells were installed on the site The details of that work are given in the WJH report titled "INTERIM REPORT AND RESULTS OF GROUNDWATER INVESTIGATION", dated August, 1995 June 23, 1996 - Monitoring wells #4, #5, & #6, and soil boring"B" were placed on the site at the locations shown on PLATE III The results of that work are detailed in the WJH report titled "INTERIM REPORT AND RESULTS OF SOIL & GROUND- WATER INVESTIGATION," dated August 14, 1996 APRIL 2, 1997 - Workplan submitted for placing up to six (6) strataprobe holes at selected offsite locations to determine the lateral limits of the groundwater plume Refer to EXHIBIT A for a copy of that workplan Their proposed locations are shown on PLATE IV EXHIBIT B is a copy of the approved drilling permit application DETAILS OF LATEST WORK: September 29, 1997 - At 0830 hours, Wm Hunter, RG from Wm J Hunter& Associates, arrived on the site previously marked for soil probe#1, (see PLATE V for it's location) At 0930, TEG's strataprobe truck arrived, Mark McMurray operator They had not brought the necessary VOA's needed to complete the Job Rather than delay the operation, Mr Hunter drove to FGL Environmental lab in Stockton and borrowed the necessary containers Although TEG had filed the proper documents and paid the required fee to the City of Stockton for the encroachment permit, it had not yet been issued A telephone call to the City staff indicated it would be completed that day, and verbal permission was given to proceed The probe truck was located on the site for SP-1, and work began at 1030 Pipe was advanced to 35' and a soil sample taken It consisted of slightly damp, fine, soft, loose sand There were no odors or evidence of contamination The sample was preserved for possible later analysis Pipe was advanced to 35' bgl, but there was no water entry Pipe was pushed & driven to 39', but there was still no entry A5 foot section of screen was run on blank FVC and run to bottom Water entry was very slow Steve Sasson of the San Joaquin Co EHD arnved during this 3