ARCHIVED REPORTS XR0000151 - Laserfiche WebLink

Home Browse Search

INTERNATIONAL • TECHNOLOGY i CORPORATION r� May 16, 1995 IT Project No 191259 004 an oaquin County Dept of Env Health P O Box 2009 Stockton, CA 95201 Report on the Abandonment of Vapor Wells Pacific Bell Facility UE 132 7644 Ashley Lane Stockton, California Dear Mr Knoll IT Corporation (IT) was retained by Pacific Bell to implement the abandonment of three four-inch diameter and one two-inch diameter vapor wells at the above referenced Pacific Bell facility located in Stockton, California The following letter report has been generated to describe well abandonment procedures and disposition of the waste materials generated during abandonment The four wells were abandoned on April 17, 1995 Please see the attached site map with former monitoring well locations Field Procedures Prior to commencement of work, a Tailgate Safety Meeting was held to ensure that the proper site safety precautions were observed This occurred in accordance with the site- specific health and safety plan IT utilized the services of Woodward Drilling, of Rio Vista, California, a licensed C-57 driller, to perform the abandonment procedure under IT supervision This was completed under the authonty of a permit for the abandonment of monitoring wells, issued by San Joaquin County on March 29, 1995 The well box and cover at each of the four wells was hammered out using heavy hand tools Each well was over-bored to its total depth, utilizing either an eight or ten-inch outer diameter hollow-stem auger attached to a B-57 drill ng Three of the vapor wells had a total depth of thirty-five feet below ground surface (bgs), the fourth, forty-five feet bgs Cuttings . from the augering procedure (PVC well screen and casing, sand, grout, bentonite seal), and Regional Office 4585 Pacheco Boulevard o Martinez California 94553-2233 9 510-372-9100 IT Corporation is a wholly owned subsidiary of International Technology Corporation