FIELD DOCUMENTS - Laserfiche WebLink

Home Browse Search

Advanced GeoEnvironmental , Inc . -o 08 August 2012 i AGE-NC Project No. 96-0254 Ms. Lisa Medina San Joaquin County Environmental Health Department 1868 East Hazelton Avenue Stockton, California 95205 Subject: Well Destruction Report FORMER CURTISS PONTIAC-BUICK 2450 Toste Road, Tracy, California Dear Ms. Medina: At the request of Toste Farms, Inc., Advanced GeoEnvironmental, Inc. (AGE) has prepared this report for the destruction of nineteen wells at 2450 Toste Road, Tracy, California.The site location is depicted in Figure 1;site structures and formerwell locations are depicted in Figure 2. INTRODUCTION/BACKGROUND Seven single-completed, two-inch diameter, ground water monitoring wells (MW-1A, MW-113, and MW-3 through MW-7), one dual-completed ground water monitoring well (MW-2 A/B), and ten ozone injection wells (OW-1 through OW-10) had been installed on- and off-site as part of a subsurface investigation of the former underground storage tank (UST) area at 2450 Toste Roaa, Tracy, California. The total depths and screen intervals of the wells are summarized in Table 1. The monitoring wells were destroyed as outlined in the AGE-prepared, Well Destruction Work Plan, dated 07 May 2012. All wells were destroyed under San Joaquin County Environmental Health Department (EHD) boring permits, which have been included in Appendix A. Under EHD approval, monitoring well GLMW-3 was added to the destruction process as it had been inadvertently omitted from the approved Work Plan. PROCEDURES Well destruction activities were performed between 14 and 16 May 2012 by All Well Abandonment of Sacramento; California. Prior to commencement of well destruction activities each well casing was sounded with a Solinst water level meter to ensure that no obstructions were present in the casings. Wells MW-1 A, MW-1 B, MW-3, MW-4, MW-5, 837 Shaw Road•Stockton,CA 95215 Telephone(209)467-1006 •Fax(209)467-1118 F -I