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k4 KLEINPELDER Kleinfelder can assist in the evaluation of petroleum impacted soil and disposal options. 7. A concrete box is located in the open area between the barns and sheds in the southwestern portion of the site. According to Mr. Dotinga the concrete pad contained a diesel AST from a previous farmer. Although no significant staining was noted next to this structure there is a possibility that diesel fuel leaked at this location and may have impacted subsurface soil. If a greater level of inquiry is desired, Kleinfelder can perform soil sampling to evaluate diesel fuel constituents in soil at this location. 8. A large water AST is located south of the milk barn. The water tank does not �- appear to pose an environmental concern to the site. 9. An irrigation pump is located in the center of APN 205-100-17 and on the western border of APN 205-100-16. No leaking or soil stains were noted in association with the pumps and they do not appear to pose an environmental concern. 10.Approximately two irrigation wells/pumps are located on APN 205-100-16. Approximately four domestic wells are located on APN 205-100-16. There did not appear to be any staining, leaking or stressed vegetation associated with the irrigation or domestic wells. 11.Debris was noted in the creek, which included a refrigerator, tractor tires, a dryer, a water heater, glass, and household debris. The debris should be removed from the creek. Any petroleum products and/ or hazardous materials encountered should be disposed of or recycled in accordance with local, state and federal regulations. 12.Debris piles were noted through out the site, which included household debris, automobiles, tires, wood boards, wood clippings, household furniture, metal debris and empty tanks. There did not appear to be any staining, leaking or stressed vegetation associated with the debris. The debris should be removed and any petroleum products and/ or hazardous materials encountered should be disposed of or recycled in accordance with local, state and federal regulations. 13.Lone Tree Creek trends east/west through the site. Onsite Culverts were noted along the creek and several contained water draining into the creek. Diversion structures are located on the eastern end of the property in Lone Tree Creek. According to Mr. Dotinga the creek is dammed and this water is used during the summer. Mr. Dotinga stated the culverts drain water to the creek from the agricultural land. Please note the runoff from the "agricultural land" can be a source of nitrates, coliform bacteria and other waste constituents, which can migrate into surface water and sediments. Kleinfelder recommends evaluating if the current discharge of water into the creek is according to current laws and ` 67453.P01/ST06R715/RB:Iv Page 34 of 37 ©2006 Kleinfelder, Inc. July 6,2006