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JUL 15 '99 1 <br /> PETERSGARY ENTERPRISES <br /> 9440 BUTTERFIELD <br /> SACRMENT09 CA. 95827 <br /> 916-363-9127 <br /> Lic . 90-1144 <br /> Date : 5-22-91 <br /> Ref . #910522 <br /> To: DAVE CASTRO <br /> U.C.L.L.N.L. <br /> P.O.Box 808 1 -633 <br /> Livermore , Ca. 94550 <br /> Test location : tank #877-D1U1 , Site 300 . <br /> On 5-22-91 tank testing was completed using the LEAK <br /> COMPUTER tank test system. All testing was done in accordance <br /> with NFPA 329-19$3, Section 2643 of the California Underground <br /> Tank Regulations (as revised) and Federal Regulations under 40 <br /> CFR (280-281 ) . The criteria for acceptable tank integrity <br /> allowed by these documents is based upon a detection threshold of <br /> 0 . 10 gallons per hour and a consideration of other specific , <br /> variable factors. Pass/Fail threshold is 0 .05 gal/hr . <br /> LEAK COMPUTER is a certified volumetric tank test system as <br /> specified under federal regulations (40CFR 280) . A copy of this <br /> certification is available on request . The certified protocol <br /> sets out specific operations and procedures. The data below will <br /> satisfy those protocols. <br /> Tank # i Comments <br /> product i "fltESE-[_ <br /> i � e <br /> size i Sow 6Pt- <br /> PASS/FAIL <br /> tank & pipes 1 <br /> tank only ' <br /> 2 LEVEL TEST Nib <br /> high 1eve1 i 15« i Rf'OV� `rAA�K `roP i <br /> leak rate i --0.033 <br /> '!. error 0. 007- <br /> ; <br /> additional data attached <br /> technician signature <br /> 3/91 <br />