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July 16 , 1987 m AGS- Job No. 87048-1 <br /> Beacon Station #675 - Lockeford; CA <br /> 4. A � N <br /> split .spoon sampler ( 2 1/2-inch inside diameter-) into the soil <br /> through the hollow center of the auger. The=: sampler was driven <br /> with a standard 140 pound hammer} r,epeatedlyadrdpped' 30 inches.'; <br /> The number 'of blows to drive- the, sampler- each 6 inches was <br /> counted and recorded to evaluate the relative .consistency of soil <br /> materials. <br /> The samples were removed from the sampler, immediately sealed in <br /> their brass sleeves with aluminum foil, plastic caps , and _ <br /> airtight tape, -and were labeled and placed in iced storage. <br /> Selected samples were delivered tog--Applied GeoSystems ' laboratory <br /> for analytical testing. The completed Chain-of-Custody form and - <br /> N <br /> Record of Analysis. for the soil. samples tested: are included in <br /> the- Appendix of this report. <br /> MONITORING WELL CONSTRUCTION ~ <br /> Four ground water monitoring wellstwere constructed at the site <br /> in soil borings B-1 through B-4 . The: wells.,._-MW-1 through MW-4 , ` <br /> were -completed with 2-inch inside, diameter- -( ID. ) polyvinyl <br /> chloride (PVC) casing. The casing consists -of 0. 020-inch <br /> -. _ <br /> machine-slotted PVC casing set from 'the total depth of the boring <br /> to approximately 2 feet above the. water table. Blank PVC casing <br /> A40,011ed GeoSystems - <br />