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s manifolded to the treatment area, above ground. Using an explosion proof, gasoline compatable 1 horsepower regenerative blower (EG&G ROTRON DR 404) , the wells were manifolded to the - intake of the blower which exhausted into tour 85 gallon activated r charcoal tub scrubs placed in series. The test was started on December 10, 1990 but was shut down, due to a leak developing in ? the blower, on December 13, 199n. Since breakthrough was occuring between the second and third canister, canisters 1 and 2 were sent to Cameron Yakima for rejuvination. After repairing the blower and recieving the rejuvinated canisters the test was restarted with all four canisters in series on December 27, 1990 and + terminated on Tanuary 4, 1991, when breakthrough was noted on the R exhaust of the fourth-85 gallon charcoal canisters. An estimate of total recovered/absorbed gasoline range hydrocarbons during i this test is 750 pounds or 110 gallons of degraded gasoline (taking an average of the lbs/day calculated (68 lbs/day) , after discarding the high reading on December 10 and the low reading on December 29, and multiplying by the total days operated, 11) , see Tables 3A and 3B, Prior to the pilot test a revised estimated of �- the pounds of gasoline hydrocarbons that still remained in the soil after excavating and aeration treatment of 3018 pounds was calculated. After the pilot test this leaves approximately 2268 pounds or 335 gallons of aged gasoline left in the soil to be removed, see Table 3C. LOCATION Regal Station 604 (parcel #139-020--08) is located at 1448 N. E1 Dorado and Harding Way, Stockton, San Joaquin County, California. The site is in projectF : section 2; TIN; R6E; MDB&M; at approximately 14 feet above mean sea level. Ground water was - first encountered at approximately 33 feet below sea level (471 below the surface) and flows in an east to southeasterly direction, see Figures 1, 2, 3A, 3B and 4. r SITE OWNER The site is owned by the Wheeler Family; Eleanor Wheeler Eley, Raymound J. Wheeler Jr. , Katherin J. Wheeler, and Lois Wheeler Snow. The executor and contact person is Mr. Christopher Eley. Mr. Eley can be reached at 141 E. Acacia Street #A, Stockton, California 95202, (209) 466-8511. The site is leased by Wickland properties. Wickland owned the underground storage tanks that have been removed. The contact person for Wickland is Mr. John Margowski. Mr. Margowksi can be reached at 1765 Challenge Way, Sacramento, California 95815, (916) 921-1100. pace 2