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ENI <br />• <br />STAR <br />4688 <br />Fresno, <br />• Y <br />License • <br />April 11, 2003 <br />San Joaquin County <br />Environmental Health Dept. <br />304 E. Weber Ave, 3rd floor <br />Stockton, CA. 95202 <br />Re: Lodi Memorial Hospital located at 975 S. Fairmont, Lodi, CA. 95340 <br />PR 14 2003 <br />Wimm <br />In regards to our previous application for a permit to modify an underground storage <br />tank, you requested information on piping removal. We hope this letter will clear up <br />any questions you might have. On site we plan to dig down and expose the top of the <br />tank. We will take one soil sample from native soil per your requirements and test for <br />diesel contaminates. Then we will install a top hat and make any necessary repairs to <br />the piping sump in order to bring it up to environmental and SB989 compliance. <br />Along the piping run which is approximately 30 feet long from the tank to the building <br />we will take the second soil sample, about 15 feet from the first sample. We will dig <br />down into native soil, take the sample, and test for diesel contaminates. <br />At the building, we plan to dig down and expose the existing piping. We will take the <br />third soil sample from native soil approximately 15 feet from the second sample and <br />test for diesel contaminates. The existing piping is double wall Ameron fiberglass <br />piping, but only 2" single wall fiberglass through the building wall. We plan to remove <br />all the inner 2" fiberglass primary product piping. Where the piping connects to the <br />building we will extend the 3" Ameron fiberglass piping through the building, so there <br />will not be any underground piping terminations, then we will connect the 1" primary <br />piping to the 3" secondary piping with a termination boot. The 3" fiberglass piping will <br />stay in place and be used as a chase conduit for the 1" APT double wall piping we are <br />installing. We have attached a cut sheet for the Ameron piping that we intend to <br />extend and also our certification for the product. <br />The piping that is removed will be rinsed using the procedures we already stated. Then <br />it will be disposed of at a dump facility in Fresno, CA. called Orange Avenue Disposal <br />located at 3280 S. Orange Ave, Fresno, CA. (559)233-1158. No other piping will be <br />removed except the 2" fiberglass piping. <br />BAKERSFIELD 0 BAY AREA 0 FRESNO 0 LOS ANGELES 0 MODESTO 0 SACRAMENTO <br />