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W. F. Lewis Construction, Inc. <br /> June 7 , 1990 <br /> San Joaquin County <br /> Environmental Health Division <br /> 1601 E. Hazelton Avenue _� JU�q�N %P90 <br /> Stockton, CA 95201 <br /> JUN r 1990 E! VI(�ONMNTq L HEAfTy <br /> Attn: Ms . Carol Oz � 1?MIT" SES`/IC_3 <br /> ��rl�cG <br /> Dear Ms. Oz , <br /> In response to your directions on June 1 , 1990 concerning testing <br /> and excavation at ARCO FIN 595, located at 6100 N. Highway 99 , <br /> Stockton, CA 95205. We are submitting the following work plan: <br /> . Copy of Scott Company's letter verifying the precision test <br /> results . <br /> . Brochures for OPW #233VM/533VM ball check valves . <br /> . Environmental Service Application and fee. <br /> . Acknowledgement of the 48 hour inspection requirement. <br /> Outline of work to be done: <br /> . Remove future 4" inventory riser now creating an air trap <br /> at the north end of the tanks. <br /> . Install OPW 233VM ball check valves at the tank on the <br /> vent and vapor line connections. <br /> Remove existing vapor line ball check valves installed <br /> outside of the tank area. <br /> . Request county inspection. <br /> Retest the system using Scott Company's precision test. <br /> . Backfill , compact and replace the concrete and asphalt. <br /> If you should have any questions or require any further <br /> information, please call . <br /> Sincerely, <br /> 4— <br /> Walterkkewis <br /> cc: Courtland Holman, ARCO <br /> 506 Glide Avenue • West Sacramento, California 95691 • (916) 372-2755 <br /> State Contractors License Number B-348937 <br />