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' 11 September 2001 AGE-NC Project No. 98-0466 ' Page 3 of 24 ' (AFPC)manufacturing wood products from 1921 to 1987 (D&M, 1992). American Moulding and Millwork Company(AM&M)purchased the property in 1987 and continues manufacturing wood furniture.The industrial operation initially occurred primarily on the southern portion ofthe property ' (Figure 3),but has moved to the north portion of the property(Figure 4).The southern portion of the property is not currently in use, several buildings have been removed. The Finger Joint/Box Cover Building was recently destroyed by fire. ' As reported by Dames & Moore in Site Remediation Report, Former American Forest Products Facility, 2801 WestLane,Stockton, California,(1992),Bechtel National;Inc.(BNI)and Kleinfelder conducted investigations of the subject site in 1984 and 1985 The Kleinfelder report was not available to AGE. BNI conducted two site investigations in the area of the former maintenance building on the south portion of the site in 1985 and 1986;the 1986 report,presumably prepared for ' AFPC, was not available to AGE. A copy of the 1985 BNI report is included in Appendix A. According to BNI,diesel contamination(1,000 mg/kg)associated with a 10,000-gallon diesel UST located west of the maintenance building and PCP (33 mg/kg) and lead (200 mg/kg) was ' encountered in shallow soil in an unpaved parking lot west of the Finger Joint Building.hi addition, BNI collected and analyzed two shallow(0 to 6 inches)soil samples for background concentrations of arsenic,chromium,copper,mercury and lead.One sample was collect d on-site near the employee tparking lot and one collected off-site east of the subject property.Figure illustrates background soil sample locations. ' In 1987,D&M completed a Phase I Site Assessment of the subject site. AGE has not reviewed the Phase I, presumably prepared for AFPC, but the D&M-prepared report Phase II Investigation, ' American Moulding and Millwork, Stockton, California,dated 25 February 1987,cited the potential environmental concerns identified in the Phase I as listed below.D&M also issued Site Remediation Report, Former American Forest Products Facility, 2801 West Lane, Stockton, California, dated ' May 1992, reporting on remedial and monitoring activities on the south portion of the site. Review of the above documents revealed the following environmental concerns on the subject site: ' • Fifteen variously defined `underground storage tanks' formerly located on the site utilized to store hazardous materials and wastes; • Use and storage of pentachlorophenol (PCP), a wood preservative; locally soil was encountered that had been impacted by the PCP; ' • An area utilized for, and potentially impacted by, a steam cleaning operation; • Septic tanks that potentially received hazardous materials; ' • Several'wash-down'areas that potentially introduced hazardous materials to the subsurface; • Storm water retention basins that may have received hazardous materials in runoff, ' Advanced GeoEnvironmental,Inc.