ARCHIVED REPORTS_XR0002804 - Laserfiche WebLink

Home Browse Search

i 1.0 INTRODUCTION On behalf of the San Joaquin Catholic Cemetery, Ramage Environmental has prepared this Groundwater Monitoring Report for the Second Quarter of 2000 The scope of work was reviewed and supervised by Mr Harlin Knoll of the San Joaquin County Public Health Services Environmental Health Division (PHSIEHD) The cost to complete the scope of work was pre- approved on May 27, 1999 by the Underground Storage Tank Cleanup Fund (USTCF), under Claim#1092 1 1 Site Description The subject property is an operating cemetery located on the northeast corner of Harding Way and Cemetery Lane in the city of Stockton (San Joaquin County), California (Figure 1) The project site is located on the east side of the mausoleum building (Figure 2) 1 2 Previous Work Summary On November 17, 1989, two underground gasoline storage tanks (UST) and associated pumping equipment were removed from the site Based on evidence of impacted soil and groundwater beneath the site, a total of seven groundwater monitoring wells, two soil vapor extraction wells and two soil vapor extraction well nests have been installed Groundwater has been sampled at the site since August 1990 A dramatic rise in groundwater elevation since well installation in the early 1990s has resulted in groundwater table levels above the screened interval of the original five groundwater monitoring wells The rise in groundwater elevation also resulted in static groundwater entering the deep soil vapor extraction wells On April 28, 1998, Ramage Environmental installed two groundwater monitoring wells (MW-6 and MW-7) to re-establish a groundwater table monitoring and sampling capability at the site Currently, groundwater is sampled from MW-6, MW-7 and the two deep extraction wells On May 20, 1998, Ramage Environmental published a Problem Assessment Report and Corrective Action Plan for the site Sod vapor extraction and air sparging were recommended as the most efficient and practical remedial alternatives On September 8, 1998, the USTCF pre- approved the cost to construct and operate a soil vapor extraction and air sparging system at the site The San Joaquin Catholic Cemetery has contracted with ENSR to complete the pre- approved scope of work 3