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o c z al <br /> Q, <br /> FEB 1419$9 Lawrence <br /> � <br /> , ,. N11AE �ENV Ii5kO 1AEN'rAL H& r <br /> Lawrence Tank Testing <br /> , . <br /> RO, Box 407 Downieville,California 95936 (916) 289-3109 <br /> b`ebruary 8, 1989 <br /> San Joaquin County <br /> Environmental Health <br /> P.O. Box 2009 <br /> Stockton, CA 95201 <br /> Re : 7 Eleven Store #19976, 1399 No . Main St, Manteca Cu . <br /> Dear Sirs : <br /> On March 26th, 1286 Lawrence Tank Testing tested three tanks for <br /> Southland Corporation using the Petro Tite Tank Testing System. <br /> The results of the three tanks were : <br /> '-ie <br /> + . 124 <br /> R pular - . 044 <br /> Unleaded + . 032 <br /> The results of the premium indicate the tank was tight even though <br /> it was outside of the guide lines because of the vapor pressure, <br /> causing the product to expand during low level readings of the <br /> test indicating inconclusive and not a leak . Ther was no spillage <br /> or contamination of any kind at the site . <br /> After March of 1986 the vapor problem had been eliminated and in <br /> the consecutive years, March of 1987 and April of 1988, these ' <br /> tanks have come in registering tight within the state guidelines <br /> of . 050 gph. <br /> It is our professional opinion that these tanks have never leaked . <br /> If you have any questions please feel free to call us anytime . <br /> Respectfully, <br /> Greg Btrom <br /> Operations Manager <br /> cc : Walt Lubcke <br /> petro TitP <br /> TANK TESTER <br /> Features: <br /> meets NFPA'329 criteria <br /> accurate to.05 gal./hr. <br /> reliable <br /> minimum interruption of <br /> operations <br /> 'National Fire Protection <br /> Association <br />