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00-3737 1.4 Conclusions • Our LSI confirms the presence of PCE in shallow groundwater at the Site, which the Twining SGS previously identified. • The PCE release confirmed by this LSI does not appear to warrant active remedial response, since the identified concentrations are below current drinking water standards. 2.0 Site Characteristics 2. 1 Site Description The Landing consists of three single-story, commercial/retail buildings (3410, 3422 & 3436 West Hammer Lane), paved parking and drive areas, and landscaping. Stockton Assessor's map identifies this property as Lot 14 in Map Book 071, Page 20. It is located within San Joaquin County Township 2N, Range 6E, Section 18. The exsisting buildings have occupied the 3.42-acre shopping center since circa 1983. Historical records indicate that before that time, the property was undeveloped. The immediate vicinity consists of residential apartment buildings and commercial (retail and office)properties. Paul's Cleaners currently occupies Unit K at the Site. The current operation is a drop-off location only (garments are dry-cleaned elsewhere). Paragon observed the interior of Unit K to be mostly open space, with a rack system to hang clothes. The front (westerly) portion of Unit K also includes a small `front desk' area attended by one clerk and a changing room. The rear portion includes a restroom and a storage room. We observed the storage room to be filled with items such as cardboard boxes, rolled-up rugs, and a headboard. Paragon observed Unit L to be completely empty. Mr. Craig Parker of Pine Grove Associates (the Site contact) told us Units L and K had been joined into a single, larger tenant space when Comet Cleaners conducted dry cleaning operations at the Site. The only OHM Paragon observed at the Site was a one-gallon container of paint thinner (isopropyl alcohol), near the rear of the open area in Unit K. 3422 West Hammer Lane,Stockton,California —3—