Laserfiche WebLink
1 <br />' Quarterly Report - Second Quarter 2006 <br /> . NATIONAL FREIGHT <br /> 2850 Loomis Road, Stockton, California <br />' 1.0. INTRODUCTION <br /> At the request of Mr Daniel Folcher of Vineland Construction Co ,Advanced GeoEnvironmental, <br />' Inc (AGE) has prepared this report of environmental activities conducted at 2850 Loomis Road, <br /> Stockton, California (site) The scope of work included purge water disposal, the monitoring and <br /> sampling of five ground water monitoring wells, analysis of the ground water samples, a well <br /> elevation survey and preparation of this report The location of the site and surrounding area are <br /> illustrated on Figure 1 On-site structures and the locations of monitoring wells are illustrated on <br /> Figure 2 <br /> Site background information can be found in the AGE-prepared Preliminary Investigation and <br />' Evaluation Report, dated 12 October 1999, and Additional Site Assessment Report, dated 09 April <br /> 2002 <br />' 2.0. PROCEDURES <br />' • Field procedures were performed in accordance with Central Valley Regional Water Quality Control <br /> Board (CVRWQCB) guidelines for the investigation of underground storage tank(UST)sites and <br /> San Joaquin County Environmental Health Department(EHD)guidelines for the sampling of ground <br />' water monitoring wells The procedures were performed in accordance with the AGE-prepared and <br /> EHD-approved Monitoring Well Installation Work Plan, dated 09 June 2000 <br /> 2 1 PURGE WATER DISPOSAL <br />' On I 1 April 2006, approximately 150 gallons of non-hazardous purge water was pumped from on- <br /> site 5 5-gallon drums The purge water had been generated during previous ground water monitoring <br />' events Pumping and disposal was completed by American Valley Waste Oil, Inc of Delhi, <br /> California The purge water was disposed at Cascade General Inc , an EPA-approved waste water <br /> facility located in Portland,Oregon A copy ofthe non-hazardous waste disposal manifest is included <br /> in Appendix A <br /> 22 WELL MONITORING AND PURGING <br /> On 31 May 2006, the depth to ground water in monitoring wells MW-I through MW-5 were <br />' measured from the top of each well casing to the nearest 0 01-foot utilizing a Solinst water level <br /> meter The ground water elevation in each well was calculated by subtracting the measured depth <br /> ., to ground water from the surveyed casing elevation(Table 1) <br /> Advanced GeoEnvtranmental,Inc <br />