ARCHIVED REPORTS_XR0002218 - Laserfiche WebLink

Home Browse Search

' 10 May 1999 • AGE-NC Protect No 95-0111 ' Page 2 of 6 Quarterly Report - March 1999 ' GRANT LINE GAS & FOOD 2420 Grant Line Road, Tracy, California 1.0. INTRODUCTION ' At the request of Mr Joe Taste Jr , Advanced GeoEnvironmental, Inc (AGE), has prepared this Quarterly Report for field activities performed at 2420 Grant Line Road, Tracy, California The site ' setting is illustrated in Figure 1 Monitoring well locations on the site are illustrated in Figure 2 A detailed background of previous work performed at the site was presented in Quarterly Report - December 1996, dated 28 February 1996,prepared by AGE 2.0. PROCEDURES The installation of two additional ground water monitoring wells was conducted in January 1999 and '. the quarterly ground water monitoring event was conducted on 25 March 1999 The well installation, quarterly monitoring and sampling was performed in accordance with Central Valley Regional Water Quality Control Board (CVRWQCB) and San Joaquin County Public Health Services - IEnvironmental Health Division (PHS-EHD) guidelines 21 DRILLING AND SOIL SAMPLING On 19 January 1999, soil borings MW7 and MW8 were drilled and completed as ground water monitoring wells Boring MW7 was established at the western edge of a landscape box at the northwest end of the site, northwest of the UST system Boring MW8 was established on the southern edge of Giant Line Road, approximately 80 feet east of the well MW-5 Both borings were completed as ground water monitoring wells The location of the wells are depicted in Figure 2 ' Installation of the wells was performed using a truck-mounted CME 75-HT drill rig equipped with continuous flight, 8-inch and 10-inch, hollow-stem augers The drill rig and two-man crew were supplied by Soil Exploration Services(SES)of Sacramento,California Samples were collected from the bonngs at five-foot intervals using a split tube sampler loaded with three clean, 2 X 6-inch brass sleeves A 140-pound hammer was used to advance the sampler 18 inches, the number of blows I required to advance the sampler in 6-inch increments was recorded on the boring logs All sampling equipment was washed in an Alconox solution and rinsed twice with water prior to each sampling Advanced GeoEnvironmental Inc.