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I <br /> I 4 <br /> I 1 <br /> s <br /> i TANK CLOS11aRE REPOlt7 <br /> 2320 North El OorWo Street, <br /> Stockton, CNitfornie <br /> �. Aegis PrOleot No. 89-049 <br /> Page 5 <br /> 2.4 Tank StOrACM Products <br /> Table 1 summarizes the former and new :ucderground storage tank <br /> construction, capacities and contents. <br /> i <br /> TASLE 1 <br /> Tank Inventory <br /> Tank Age I <br /> No. Construction (yrs) Contents <br /> 1 Single-Wall Removed 8,000 Unknown Regular <br /> Unleaded <br /> Steel <br /> 2 Single-Wall Removed 10,000 Unknown Regular <br /> Steel Leaded <br /> 3 :.'angle-Wall Removed 8,000 Unknown Super <br /> Unleaded <br /> Steel <br /> w 4 Double-Wall Active 10,000 New Regular <br /> Fiberglass Unleaded <br /> 5 Double-Wall Active 10,000 New Regular <br /> Fiberglass Leaded <br /> { 6 Double-Wall Active 10,000 New Super <br /> - Fiberglass . Unleaded <br /> U 3.0 RESULTS <br /> The following subsections present the results of the investigative and <br /> mitigative activities conducted at the site. The information includes <br /> a site assessment that explored the potential presence of hydrocarbons <br /> I around the former and within the proposed new tank basin. <br /> I Activities involved in fulfilling tank closure requirements included <br /> { evaluating soil conditions, sampling to identify and evaluate the <br /> presence' of petroleum hydrocarbons at the former tank basin and <br /> product line trenches and mitigation and disposal of soils containing <br /> - petroleum hydrocarbons encountered during the tank excavation. <br /> i <br />