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900003Ot22 CON-2 <br /> Table 2-2. SUMMARY OF SUSPECTED SITE CONTAMINATION (concluded) <br /> HLA Observations WCC Observations <br /> (October 18, 1988) (January 15, 1990) <br /> There are numerous small stains and Confirmed. However, much of the <br /> spills throughout the tank farm. affected soil surrounding the tank <br /> Several of these stains appear to be farm was recently removed, prior to <br /> the result of leaking valves and WCC's inspection. <br /> couplings. <br /> The valves on a few of the tanks Confi med. Discolored area is about <br /> being used for temporary storage of 10 ft . <br /> the 10-34-0 are leaking. <br /> Not reported. 3000 gallons of CAN-17 leaked from a <br /> tank in Summer 1989, towards the <br /> canal . 1500 gallons recovered. <br /> Soils removed to a depth of 4-6 <br /> inches. <br /> Not reported. Black discolorations observed beyond <br /> eastern fence line, near tank <br /> farm. Black discolored soils and <br /> clam shells for a distance of 130 <br /> feet along fence and 3 feet wide. <br /> Not reported. Area along southeastern fence used <br /> to aerate excavated soils containing <br /> hydrocarbons and possibly fertili- <br /> zers/pesticides. Constituents may <br /> have infiltrated into soils during <br /> rainfall . <br /> Not reported. Algal blooms beyond southern fence <br /> line of facility. <br /> Not reported. Two dry wells were installed near <br /> tank farm, for draining runoff from <br /> the surface. <br /> 2-11 <br />