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MPDS-UN0788-05 <br /> Page 9 of 9 <br /> TABLE 3 Continued <br /> SUMMARY OF LABORATORY ANALYSES <br /> WATER <br /> TPH as TPH :as Et:kiy -: <br /> Date. Well Diesel.. Gasoline Benzene Toluene benzene XyIenes <br /> 2/14/91 U-1 ND 140 10 ND ND 2 . 1 <br /> U-2 ND 230 6 . 9 ND 4 . 5 35 <br /> U-3 ND ND ND ND ND ND <br /> I <br /> ♦ Sequoia Analytical Laboratory reported that the hydrocarbons detected did <br /> not appear to be diesel. <br /> ♦♦ Sequoia Analytical Laboratory reported that the hydrocarbons detected <br /> appeared to be a diesel and non-diesel mixture . <br /> ♦♦♦ The concentrations reported as diesel for samples U-6, U-7, and U-8 are due <br /> to the presence of a combination of diesel and a discrete peak not <br /> indicative of diesel fuel . <br /> �* Petroleum hydrocarbons detected as TPH-D appear to be heavier than Diesel . <br /> ** Petroleum hydrocarbons reported as TPH-D appear to be lighter than Diesel . <br /> *** Petroleum hydrocarbons reported as TPH-D appear to be due to a combination <br /> of heavier and lighter hydrocarbons . <br /> • Tested on May 26, 1993 - All EPA method 8270 target analytes were non- <br /> detectable . <br /> •• Laboratory reports atypical chromatograph pattern. <br /> ND = Non-detectable. <br /> Results are in micrograms per liter (µg/L) , unless otherwise indicated. <br /> Notes : Laboratory analyses data prior to November 30 , 1993 , were provided by <br /> GeoStrategies, Inc . <br /> I <br />