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0971c*-1 -SKI <br /> OCT -71985 <br /> 1 SAMPLING PLAN FOR <br /> P 4� THE FIELD AVENUE ANNEX FOR <br /> LIKA CORPORATION <br /> Stockton, California <br /> J `1Jl <br /> V 1.0 PURPOSE OF THE SAMPLING PLAN <br /> V The objectives of this sampling program are to determine the vertical and <br /> horizontal extent of contamination due to a surface spill and to <br /> 1 <br /> determine the extent of subsurface contamination, including contamination <br /> H ✓ <br /> of groundwater, resulting from leaking plumbing, and a leaking sump at <br /> the Lika Field Avenue Annex (Figure 1) . The surface spill occurred at <br /> the rear of the Field Avenue annex. It is believed that a small amount <br /> of copper sulfate solution was spilled onto the dirt strip between the <br /> foundation of the annex and the paved boat storage yard. We anticipate <br /> the contamination to be limited to the near surface. The sump, which may <br /> be the biggest source of contamination, is located in the wet process <br /> room. The sump has been attacked by the acid copper sulfate solution <br /> used in the manufacturing process and has been breached. The other <br /> source of contamination may be a deteriorated section of ductile iron <br /> pipe located beneath the concrete floor in the front of the building. <br /> The sampling plan is separated into two phases. The precise nature of <br /> the second phase will be based upon what 1s discovered in the first phase. <br /> 2.0 SAMPLING PLAN DESCRIPTION <br /> 2.1 Phase 1 <br /> This phase will examine the suspected surface contamination along the <br /> backside of the Field Avenue annex. It will also investigate whether <br /> subsurface contamination has left the facility and gotten into <br /> groundwater. <br />