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Ads <br /> Mike Smith Engineering, Inc. <br /> P.O. Box 611 Lodi, CA 95241 <br /> (209) 334-2332 office (209) 334-0102 fax <br /> 10-10-11 <br /> Re: Hazardous Waste Tank Assessment For: <br /> Valued products <br /> 2128 Industrial Dr. <br /> Stockton, Ca 95206 <br /> An assessment has been performed upon the waste water storage system at the above referenced <br /> location. This assessment was necessary to determine if this storage system conforms to the <br /> requirements of California Title 22 regarding hazardous waste storage. <br /> This facility manufactures packages and distributes detergents and cleaning supplies. During the <br /> processing it is necessary to rinse the mixing tanks. This rinse water will have many different <br /> chemicals and constituents, and is put into a buffer tank for storage until transported to a disposal <br /> site. This assessment is for the buffer tank. <br /> Buffer Tank Assessment: <br /> 1. Tank configuration: <br /> This is an above ground plastic tank, located inside of a building, with an approximate capacity <br /> of 1000 gallons. It is cylindrical in shape with four sets of saddle type legs which are formed in <br /> the plastic. It is securely fastened to the concrete floor with four steel pipe hoops and epoxies <br /> anchor bolts. The tank setting allows visual observation on all sides. <br /> 2. Design Standards: <br /> a) High density cross-linked polyethylene tank. <br /> b) Wall thickness 1/4"minimum. <br /> c) No liner <br /> 3. Documented Age of Tank: <br /> Tank is approximately 10 years old. Estimated remaining service life to be 20 years. <br /> Recommended re-inspection in five years. <br /> 4. Piping and Ancillary Equipment: <br /> a) Piping material is schedule 40 P.V.C. <br /> b) Pipe diameter is 1%2" <br /> c) Pump is a"Placer"model # GNOK1-112.2AOLC.5C. Capacity of 280 GPM. <br /> d) Pump location is 5'-0" left of tank,mounted on a stand. <br />