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Phase 1 Environmental Site Assessment Neighborhoods D,K,L,and Town Center,Mountain House,California Page 18 6.0 INTERVIEWS i' 6.1 INTERVIEW WITH OWNER Trimark Communities, Inc, is the current property owner for APNs 209-030-03 and -04; 209-040.09, -14, and -17. 209-050= - - - IG 09, 209 170 02; and 209 450-11. Isabel F. Oliveira is the owner of APN 209-450-12 and Mary Maria Rocha is the owner of APN 209-450-13. Site questionnaires were either mailed or faxed to the owners and/or their representatives. Stan Ploof, the owner's representative for Trimark Communities, Inc. (Trimark) was interviewed on November 22, 2004. He indicated he has worked for Trimark for approximately three years. He stated that any septic and/or well removal was done under the.ovt:rsight of SJCEHD. Concerning Town Center, he was not aware of a former gas station-He indicated that the house located in the northwestern portion was moved to Alameda County, the related septic system was removed, and the barn and garage were hauled away. The concrete slabs in the northwestern portion were probably from a small old barn. Two ASTs (one approximately 500-gallon; empty diesel AST and one approximately 250-gallon AST labeled gasoline) located east of the house were only temporarily placed there and had been moved from another location. The diesel pump formerly located. at the northeastern corder of the old garage building was connected to an approximately 500-gallon AST located behind the building. The current portable buildings (construction headquarter offices) are connected to city water and temporary aboveground septic tanks. Portable outhouse buildings are also located throughout the Site: The well at Town Center provides water for irrigation to the landscaping plants located in the area. Mr..Ploof indicated that.the stockpiled soil within in the northeastern portion of Town Center is from Mountain House Creek. The fill and piles of soil in the southern portion of Town Center is from Neighborhood F (southern adjoining properties) builder's spoils. Most of this stockpiled soil will be removed to the Interstate 205 and Mountain House Parkway interchange. The stockpiles on either side of Mountain House Creek(Neighborhoods K and L) are from the creek. Mr. Ploof also indicated that the house in Neighborhood L was removed about two years ago. There were two to three septic tanks that were removed and two or three wells that were properly abandoned. The piles of broken asphalt and concrete in the southern portion of Neighborhood L were from the Byron Bridge and will be hauled away. There are currently two reservoirs in the southeastern portion of APN 209-170-02 (Neighborhood L) and two more (Reservoirs 2A and 2B) are planned to be built in the western and southern portion of that parcel. The small house, barn, and garage located (west side of. Mountain House Parkway) on one of the adjoining properties south of Town Center were removed about a year and a half ago. 6.2 INTERVIEW WITH SITE MANAGER Frank Amaudo,.the current farmer/Site manager, was interviewed on February 20, April 12 and 27, and November 19, 2004. He has farmed in the area for approximately 24 years. He is currently the tenant/lessee on most of the Trimark-owned properties and on the Oliveira and Rocha properties. Mr. Amaudo indicated underground irrigation piping is,located on the Site properties. He was not aware of any USTs on the properties, railroad car derailment, and/or hazardous materials spills on Byron Road. He receives irrigation water from Old River riparian rights for Neighborhoods K and L and from Byron- Bethany Irrigation y g District (BBID) for Neighborhood D. Water that is pumped from the river is pumped further south towards the railroad tracks. Drainage water flows into drainage ditches, which is then pumped into the river with electrical pumps. i� CONDOR