Laserfiche WebLink
• <br />C <br />• <br />March 30, 2001 <br />Project 077 43451 270 <br />Mr Marty Hartzell <br />Regional Water Quality Control Board (RWQCB) <br />Central Valley Region <br />3443 Routier Road, Suite A <br />Sacramento, California 95827-3098 <br />Re Aquifer Test Report <br />Former Chevron 95775 <br />301 West Kettleman Lane <br />Lodi, California <br />Cleanup and Abatement Order No 5-00-704 <br />Dear Mr Hartzell <br />SECOR <br />1ltict ttcllroltcrl 111co1jx�lafc�rl <br />SECOR International Incorporated (SECOR), on behalf of Chevron Products Company <br />(Chevron), has prepared this report to document aquifer test activities and results at the site <br />referenced above (Figure 1) The purpose of this test was to estimate the aquifer parameters <br />of the groundwater zone and evaluate the current groundwater extraction remediation system <br />performance at the site <br />Step -Drawdown and constant -rate pumping tests were conducted during this aquifer test <br />Step tests are used to evaluate maximum pumping rates, while constant rate tests are used to <br />evaluate aquifer parameters including transmissivity (T), storativity (S), specific yield (Sy), <br />and conductivity (K) This Aquifer Test Report has been written in response to Notices of <br />Violations (NOV), dated September 22 and December 11, 2000, respectively, included as <br />Attachment A <br />SITE BACKGROUND AND PREVIOUS INVESTIGATIONS <br />The former Chevron service station located at 301 West Kettleman Lane in Lodi, California <br />(Figure 1) Former facilities included four service bays, three dispenser islands, one sales <br />kiosk, three 10,000 -gallon gasoline underground storage tanks (USTs), one 1,000 -gallon <br />waste oil UST, one 550 -gallon previously abandoned waste oil UST, and one in -ground <br />hydraulic hoist All known aboveground and subsurface facilities have been removed from <br />the site Locations of previously existing facilities are shown on Figure 2 A Prime Shine <br />Express car wash and auto lubricant center is currently operated at the site <br />3017 Ailgore Road Sude 100 Rancho (odoru CA 95670 916 861 0400 916 861 0450 1(it a uu ,ecoi cam <br />