Laserfiche WebLink
�7 <br /> AFAW, A <br /> 0 Working To Restore Nature <br />'w <br /> 3164 Gold Camp Drive,Suite 200 <br /> Rancho Cordova,CA 95670 <br /> Phone (916) 852-6690 <br /> FAX (916) 852-6688 <br /> April 20, 1993 <br /> Mr. Bob Boust <br /> Unocal Corporation <br /> r P O Box 5155 <br /> San Ramon, California 94583 <br /> Subject Ground-Water Monitoring, First Quarter 1993, at Unocal Service Station No. <br /> 2859, 1665 Pacific Avenue, Stockton, California <br /> 0 Mr Boust <br /> At Unocal Corporation's request, RESNA Industries has conducted the groundwater <br /> monitoring for the first quarter 1993 at the subject site (Plate 1) The work was conducted <br /> pursuant to our Site Safety Plan dated January 1, 1993 The data from the monitoring event <br /> 4 . are attached. <br /> Potentiometric data and groundwater samples were collected from the onsite and offsite <br /> monitoring wells on March 26, 1993 The field methods used during the monitoring event <br /> are attached At Unocal's request, equipment rinseate and purge water were removed from <br /> • 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 June 1993 We recommend a copy of <br /> this report be forwarded to Ms Diane Hinson of the San Joaquin Local Health District, <br /> P O Box 2009, Stockton, California 95201, and Ms Elizabeth A Thayer of the California <br /> Regional Water Quality Control Board, Central Valley Region, 3443 Routier Road, <br /> Sacramento, California 95827-3098 <br /> r 04132-15 <br /> 38012-15 <br />