Laserfiche WebLink
• <br /> • Working To Restore Nature <br />• <br /> 3164 Gold Camp Drive <br /> Rancho Cordova,CA 95670 <br /> Phone (916) 852-6690 <br /> Fax (916) 852-6688 <br /> • <br /> October 8, 1992 <br /> Mr Bob Boust <br /> Unocal Corporation <br /> • P O Box 5155 <br /> San Ramon, California 94583 <br /> Subject Ground-Water Monitoring,Third Quarter 1992, at Unocal Service Station No <br /> 2859, 1665 Pacific Avenue, Stockton, California <br /> • <br /> Mr Boust. <br /> At Unocal's request, RESNA Industries has conducted the ground-water monitoring for the <br /> third quarter 1992 at the subject site (Plate 1) The work was conducted pursuant to our <br /> 90 Site Safety Plan dated May 21, 1992 The data from the monitoring event are attached <br /> Potentiometrlc data and ground-water samples were collected from the onsite and offsite <br /> monitoring wells on August 18, 1992 The field procedures used during the monitoring <br /> event are attached At Unocal's request, equipment rinseate and purge water were removed <br /> • from the site by RESNA Industries and transported to Gibson Oil & Refining Co , Inc in <br /> Redwood City, California <br /> Cumulative potentiometric and analytical data are summarized in Table 1 A <br /> Potentiometric Map was constructed from the ground-water elevation data (Plate 2) Copies <br /> • of the Chain of Custody Record(s) and analytical reports are attached <br /> The next monitoring event has been scheduled for the week of November 16, 1992 We <br /> recommend a copy of this report be forwarded to Ms Diane Hinson of the San Joaquin <br /> Local Health District, P O Box 2009, Stockton, California 95201, and Ms Elizabeth A <br /> Thayer of the California Regional Water Quality Control Board, Central Valley Region, <br /> • 3443 Routier Road, Sacramento, California 95827-3098 <br /> 00 0903bbou <br /> 38012-14 <br /> 0 <br />