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a w <br /> After containing the spill and initiating the cleanup, the following parties <br /> were notified: <br /> U.S.E.P.A. (415) 974-8131 Cameron McDonald <br /> Des Garner <br /> O.E.S. #04342 (800) 852-7550 Carolyn Mayberry <br /> D.O.H.S. (916) 739-3145 Al Fong <br /> 4 <br /> S.J. Local Health District (209) 468-3449 Bill Snavely <br /> C.R.W.Q.C.B. (209) 361-5600 Gary Reents <br /> S.J.O.E.S. (209) 944-21.16 Dennis Fields <br /> Cause of the spill has been determined to be a malfunction of a flow switch <br /> as well as operator error. The contacts in the flow switch, which activate <br /> the pump that empties the retort, were not making contact 100% of the time. <br /> This prevented complete emptying. The failure of the engineer to utilize <br /> the drip pump, a secondary procedure to verify complete emptying, was the <br /> other cause. Use of both pumps would ensure complete emptying, as it is <br /> unlikely that both flaw switches would fail simultaneously. <br /> Measures for correction have been completed. The flaw switch was repaired <br /> and the treating engineers have been instructed to use the drip pump after <br /> every treating cycle. A sight glass on the retort will also be installed <br /> to visually verify that the retort is empty. If you have any questions, <br /> please feel free to call Roy Ashbrook, plant manager, or myself. <br /> Sincerely, mJ, <br /> Lon K. Kitagawa <br /> Asst. Enviro tal Coordinator <br /> cc: U.S.E.P.A. Region IX Administrator <br /> O.E.S. Hazardous Materials Division <br /> D.O.H.S. Jeff Van Slouten <br /> S.J. Local Health Jaime Favila <br /> District <br /> C.R.W.Q.C.B. Gary Reents <br /> S.J.O.E.S. Dennis Fields <br /> Ch2MHill Randy Peterson <br /> Mc,Cormick & Baxter Tom Kosmalski <br />