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Phase I Environmental Site Assessment Neighborhoods D,K,L,and Town Center,Mountain House,California Page 25 It is Condor's opinion that the current and historical application of agricultural chemicals for agricultural gn i purposes constitutes a recognized environmental condition pursuant to the ASTM E 1527-00. Review of records and interviews indicate that agricultural chemicals have been applied to the Site properties. Agricultural chemicals, including pesticides, have been extensively used in the Central Valley and are like] residual in the soil. The pesticide residue Y p assessments are documented in the Neighborhoods D, K, and L and Town Center Phase II ESA, dated November 30, 2004 prepared by Condor. The results of this testing showed detectable pesticide or herbicide residue in the samples at or above the laboratory detection limits. It is Condor's opinion that the observed 55-gallon drums in Neighborhood D could possibly contain petroleum hydrocarbon products and/or agricultural chemicals and constitutes a recognized environmental condition pursuant to the ASTM E 1527-00. The possibility exists for contamination from storage and/or use to the soil and/or groundwater in Neighborhood D. It is Condor's opinion that the two wastewater treatment reservoirs located in the southeastern portion of Neighborhood L constitute a recognized environmental condition pursuant to the ASTM E 1527-00. The possibility exists for impacts to the soil and/or groundwater from storage and/or land application of treated wastewater in Neighborhood L. It is Condor's opinion.that the identified petroleum hydrocarbon contamination of soil and groundwater associated with the Old Valley Pipeline located between Neighborhood L and Town Center constitutes a recognized environmental condition pursuant to the ASTM E 1527-00. The contamination was identified on the northern boundary of Town Center and up gradient of Neighborhood L,.and the possibility exists for the contamination to have migrated onto Neighborhood L. Investigation and remediation activities are being conducted by Chevron Environmental Management Company in accordance with the requirements of SJCEHD and the Central Valley Regional Water Quality Control Board. It is Condor's opinion that the former Standard Oil Pipeline Company easement (discovered in Neighborhood J documents and currently owned by PG&E) traversing Town Center constitutes a recognized environmental condition pursuant to the ASTM E 1527-00. Although the easement currently Y contains a natural gas pipeline, there may have been a petroleum pipeline within this same easement in . the past. Other historic petroleum pipelines in the area have been found to leak petroleum hydrocarbons, l contaminating the surrounding soil. It is Condor's opinion that the two active pipelines (a six-inch diameter Chevron/Texaco petroleum pipeline and a 12-inch diameter Kinder Morgan petroleum pipeline) paralleling Byron Road between Byron Road and the railroad tracks.constitutes a recognized environmental condition pursuant to the ASTM E 1527-00.Although these pipeline easements currently are not indicated as leaking, other historic petroleum pipelines in the area have been found to Ieak petroleum hydrocarbons, contaminating the surrounding soil It is Condor's opinion that the identified petroleum hydrocarbon contamination of soil and groundwater associated with .thea abandoned oned Shell CVCi elines located on the adjoining properties p P � g p pe rttes constitutes a recognized environmental condition pursuant to the. ASTM E 1527-00. Petroleum hydrocarbon contamination has been identified in adjacent Neighborhood E along this pipeline. Investigation and remediation activities are being conducted by Shell in accordance with the requirements of SJCEHD and Central Valley Regional Water Quality Control Board, CONDO R