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} <br /> T�.soer Research Corporotion <br /> INTRODUCI ION <br /> Testing & Technology and I racer Research Corporation performed Tracer Tight® leak <br /> ' testing of 2 underground storage tanks at the Rough & Ready Island stte in Stockton, CA The <br /> tanks were inoculated with tracer on May 4, 1992, to a concentration of approximately 10 ppm <br /> ' Samples were collected on May 19, 1992 The following table shows the tank size, type of <br /> tracer in each tank, fuel through put factor in the first 72 hours after inoculation and total amount <br /> of tracer introduced into each tank <br /> TANS# S IZELC A LI TRACER X4.8 <br /> Tank 1 4,000 DA 1 250 <br /> Tank 3 4,000 1 14B2 1 200 <br /> The following table shows the type of product in the tank, the product level and the water <br /> level in each tank ineasured in inches at tiie <br /> time of inoculation and sampling <br /> Al I NOQ I LATION Al PRODUCT <br /> TANK# PRODC <br /> UT 112Q PRODUCT 1i2-Q <br /> Tank 1 Unleaded a 00 5700 0 19 5400 <br /> ' Tank 3 Unleaded 1) 00 5000 000 5000 <br /> The depth to water in the taiik pit was deterinined to be >8 feet below grade The <br /> ' groundwater conditions were stable <br /> 1 <br /> 1 <br /> - 1 - <br />