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Surface and Subsurface Contamination Report 1�erracon <br /> 10516 E. Peltier Road ■Acampo, California <br /> April 17, 2018 ■Terracon Project No. NA177074 <br /> Observations made during the site visit are summarized in the following table: <br /> Summary of Site Visit Observations <br /> Site Visit Observations <br /> Current Use of Property The property consists of two parcels (APNs 017-260-30 and 017- <br /> 260-31) totaling approximately 40-acres. APN 017-260-30 is an <br /> approximately 35.81-acre tract of agricultural land improved with a <br /> vineyard. APN 014-260-31 is a 2.0-acre tract of land improved with <br /> a residence and multiple farm buildings. <br /> Evidence of Past Uses of A grain silo, cattle stalls, and hoof prints imbedded in concrete were <br /> Property? observed on the site. According to Mr. Zach Taylor, Manager, the <br /> site was a former dairy from approximately the 1940s to 1960s. <br /> Odors? None observed. <br /> Pools of Liquid? None observed. <br /> Electric or hydraulic equipment Two pole mounted transformers were observed on the eastern site <br /> likely to contain polychlorinated boundary and two pole mounted transformers were observed on the <br /> biphenyls(PCBs)? western boundary. Staining or evidence of release was not <br /> observed near the transformers. <br /> Storage tanks? One active unlabeled 1,000-gallon diesel AST was observed <br /> southeast of Shop 2. One inactive unlabeled 1,000-gallon AST was <br /> observed west of Shop 3. The USTs were not stored within <br /> secondary containment. Staining or evidence of release was not <br /> observed near the ASTs. Mr. Taylor indicated the active AST <br /> contains diesel and the inactive AST formerly contained diesel but is <br /> currently empty. <br /> Drums or other containers? Numerous containers of 5-gallons or greater were observed in Shop <br /> 1 and Shop 2. Petroleum hydrocarbon storage including new oil <br /> drums and waste oil containers were observed primarily in Shop 1. <br /> Pesticide and herbicide storage was observed primarily in Shop 2. <br /> Approximately fourteen empty 5-gallon containers were observed on <br /> the west side exterior of Shop 2. Secondary containment was not <br /> observed. Refer to the chemical inventory list below the table. <br /> Pits, Ponds, Lagoons? None observed. <br /> Stained soil or pavement? An approximately three-square foot(SF) stain was observed on <br /> concrete near the new oil 55-gallon drum in Shop 1. An <br /> approximately three-SF stain was observed on concrete under a <br /> tractor in Shop 3. <br /> Soil staining was apparent surface soils located near the 55-gallon <br /> waste oil drum and empty 5-gallon containers located on the west <br /> side exterior wall of Shop 2. The soils were moist due to a shadow <br /> cast from the adjacent building, therefore the size of the stains could <br /> not be determined. <br /> Solid waste? A burn pile was observed east of Shop 3. The burn pile consisted <br /> primarily of vegetation with some wood. Hazardous materials were <br /> Responsive ■ Resourceful ■ Reliable 7 <br />