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OCT 20 196 17:4" TO 120946401313 FROM Helmick/Lerner, Inc. T-673 P.04 <br /> CCL#641469 <br /> DBE CW. #92H14396 <br /> Hazardous Cert.04853 <br /> October 19, 1996 <br /> Mr. Steve Sch=uun. <br /> 1-Iehnick &Lerner <br /> 1620 Executive Court <br /> Sacramento,CA 95864 <br /> Re: Stoclatou Unified School District <br /> Dear Steve, <br /> i <br /> Per our couversatiou yesterday, it is Ramos Environmental Englnecrina's responsibility to foAoW <br /> all written g adelines regazdin.g pressure testing of UST's per manufacturer recommendations. <br /> Attached, please find a letter addressed to us from Modem Welding Company. As you will see <br /> they do not require or recommeud dourg a pressure test. As you must understand, a 5 PSI air <br /> pressure test on a 20,000 gal tank, if not done properly, could result in damage to the ta-ak or <br /> even worse,penwual.injury. <br /> This is m4iy both.the tank mmufacturer and Ramos Environmental Engineering avoid at all times <br /> conducting air pressure tests on any underground storage tank <br /> if we are ordtmd to conduct an air pressure test we will only do it per the manu£icturers <br /> specifications, with trained personnel, and the proper testing equipment. This will ensure the <br /> integrity of the tank, that it wdl stay"intact", and that our personnel or otb.ers will not be <br /> endangered during this very dangerous procedure. <br /> Please call me if you have any questions at 916-371-5747, eri. 240. Thank you. <br /> Sincerely, <br /> cavelw <br /> es Conned <br /> Operations Manager <br /> X/rew <br /> Note: In order to do this procedure we nnist first take ofI'tbe vaeutiru test on the iutergtitial space <br /> of the UST- After doing thig test we will be unable to re-apply the vacuumed test wba-b <br /> incideody could be left on during the wbol.e duration of the job. <br /> Post Offim Bose 401 • 1515 South River Road 0 West Sacramento • California • 95691 <br /> 916 3?715747 • WO-477-7266 • Fax:916-371-CW5 <br />