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Wm. J. Hunter & Associates 2701 Cottage Way, Ste 25 <br /> Sacramen#o, CA 95825 <br /> Registered Geologists (916) 972-7941 <br /> 9troleum & Mineral Appraisers <br /> WORKPLAN FOR RE-EXCAVATION & RESAMPLE: <br /> Property Owner: Claude C. Wood Co. <br /> Location of project: 17300 E. Jahant Road, Clements, CA. <br /> Based upon the results of the prior work and sample analysis as <br /> detailed above, the following workplan is proposed to remove <br /> remaining residual amounts of contamination, obtain soil samples <br /> as specified, and store removed spoil on plastic, an site, <br /> pending remediation plans or disposal . <br /> 1 . Using company equipment and personel , remove an additional 5 <br /> +/- feet of spoil from the sides and bottom of both excavation #1 <br /> & #21 as indicated an Plates IX & X. Actual amounts of spoil <br /> removed will be determined as excavation proceeds. Spoil will be <br /> placed on plastic adjacent to existing material removed during <br /> prior work. Programs for soil remediation or removal to an <br /> approved site will be prepared at the completion of this phase of <br /> the operation. <br /> 2. The above operation will be conducted under the direction and <br /> supervision of a Registered Geologist and an EHS from the County <br /> Public Heath Services, Environmental Health Division. <br /> 3. Soil samples will be collected from the backhoe bucket using <br /> properly prepared brass tubes; will be sealed, labeled, and <br /> refrigerated while under transport to FGL Environmental <br /> Laboratories for analysis. Samples are proposed to be taken as <br /> indicated on Plates IX & X, but may be changed or modified <br /> depending on conditions encountered while excavating. Sample <br /> locations will be verified by a repesentative of the San Joaquin <br /> Co. EHD. <br /> 4. Samples will be analyzed as follows: <br /> A. Gasoline & Diesel tanks location; BTEX, TPH--G, TPH-D, & <br /> Total Lead. <br /> Note: STLC will be run if total lead exceeds 5 mg/kg. <br /> B. Waste Oil Tank location. TPH-G, TPH-D, Total Lead, & <br /> Total Oil & Grease. <br /> Note: STLC will be run if total lead exceeds 5 mg/kg. <br /> C. Sample analysis detection limits, per Tri-Regional <br /> Recommendations dated August 10, 1990, will be: <br /> 1 ) BTEX - 0.005 mg/kg; EPA methods 8010/8024 <br /> . 2) TPH-G & TPH-D- 1 .0 mg/kg; EPA 5030/3550 <br /> I <br />