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' • k` ■ KLEINFELDER <br /> ' Recommendations <br /> • The contents of the cans and drums should be inspected and it should be determined if they <br /> ' contain hazardous substance. <br /> • If hazardous substances are present in these containers, then these chemicals should be disposed <br /> ' of in an appropriate manner. <br /> Follow-un <br /> • The cans and drums and other contents of the maintenance shop has been removed and in fact, <br /> the shop and concrete pad have been removed and the debris cleaned up. <br /> ' 2. Aboveground Waste Oil Storage Tank: <br /> Observations <br /> • A 500-gallon aboveground waste oil tank is located NE of the shop. It sits in a large metal bin <br /> that forms a secondary containment. <br /> ' • A second secondary containment unit is located on the east side of the shop on the concrete pad. <br /> This unit appears to have been used for draining oil out of truck parts. <br /> ' • Reportedly,the used oil was disposed of by recycling. <br /> Conclusions <br /> ' • There appears to be some oil stored in the tank,the amount is not known. <br /> Recommendations <br /> • Dispose of any waste oil in the tank and other containers in the secondary containment units <br /> appropriately. <br /> ' Follow-up <br /> ' • The above ground waste oil storage tank and other containers have been removed. <br /> 3. Transformer: <br /> ' Observations <br /> • One transformer is located on a power pole northeast of the shop. <br /> ' Conclusions <br /> ' This transformer is owned by PG&E whose responsibility it is to maintain,and remove,when no <br /> longer needed. <br /> Recommendations <br /> ' • PG&E should be contacted in advance of removal of the electrical lines so that they can arrange <br /> for removal of the transformer. <br /> ' 20-4341-1 LEO 1/2011R959 Page 6 of 31 <br /> Copyright 2001,Kleinfelder,Inc. August 21,2001 <br />