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NIM HYDROSEARCH, inn. <br /> A Tetra Tech Company <br /> Post-ICM brand fax transmittal memo 7671 #or pages . <br /> July 24, 1995 TO �a+�k� <br /> From <br /> C:\WP51\FMC\5042\STKPERMT.WKP <br /> Co. LY f.0 <br /> Ms. Margaret La orio pep c c�C° <br /> 9 9 fb) PST• /86o p e <br /> Environmental Health Specialist Fa t� 853. (8l F x YGp P /yL <br /> San Joaquin County <br /> P. 0. Box 388 --- <br /> Stockton, CA 95201-0388 <br /> Subject: Work Plan for Phase II Assessment at <br /> FR Mfg., Stockton, CA <br /> Dear Ms. Lagorio: <br /> Attached is the proposed workplan for the Phase II investigation of the FR <br /> Manufacturing site in Stockton, California. The proposed scopes of work is intended <br /> to characterize soils and groundwater and to obtain a preliminary estimate of volume <br /> of potentially impacted soils. The workplan for this site is based on the reported or <br /> probable historic and current activities. <br /> Permitting and Coordination <br /> Prior to conducting the field investigation, HSI will obtain permits for drilling from, and <br /> coordinate grout inspections with San Joaquin County Environmental Health Division <br /> (SJCEHD). USA will be notified to mark underground utilities in the street and on-site <br /> underground utilities will be located and marked prior to commencement of field <br /> activities. <br /> HSI requests that this permit be issued as soon as possible, under overtime priority, <br /> if necessary. HSI and FMC understand that special rates will be charge for this <br /> service. Please assign quickly and call when assigned. <br /> Field activities will be conducted according to HSI Standard Operating Procedures. <br /> Soil gas samples will be field screened with a photoionization detector (PID). Soil gas <br /> screening will be used to identify probable area of impact by volatile compounds. Soil <br /> and/or groundwater samples will be collected from potentially impacted areas to <br /> identify and characterize impacted material. If PID readings or visual evidence <br /> indicates the presence of impacted material, additional soil gas, soil, and/or <br /> groundwater samples will be collected to define the volume of impacted material. <br /> Volume of oil-stained material will be estimated visually from staining on the ground <br /> surface and in soil cores collected from selected locations at the site. <br /> Soil and groundwater samples will be transported to a State certified analytical <br /> laboratory within 24 hours of collection. Chain-of-custody protocol will be maintained <br /> on all samples from collection to acceptance by the analytical laboratory. Soil and <br /> 3035 Prospect Park Drive,Suite 40,Rancho Cordova,California 95670 Telephone(916)853-1800 Facsimile(916)853-1860 <br />