ARCHIVED REPORTS LIMITED SOIL ASSESSMENT AND TEST PIT EXPLORATION

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4 kn KLEINFELDER ' subsurface structures are encountered during site development or excavation on site, care should be exercised in determining whether or not the subsurface structures contain asbestos. If they contain asbestos, they should be removed, handled, transported, and disposed of in accordance with local, state, and federal laws and regulations. Additionally, if suspect materials are 1 encountered, the signatories of this report should be notified. 2. Onsite structures are noted to being built before the 1980's. These structures may have asbestos ' containing materials and/or lead containing paints. If the structure are to be renovated/demolished in the future, an asbestos and lead survey should be conducted prior to renovation/demolition in order to be in compliance with the Asbestos (National Emission Standard for Hazardous Air Pollutants) NESHAP regulation enforced locally by the San Joaquin Valley Unified Air Pollution Control District(SJVUAPCD). 3. A septic system is located east of the restroom north of the racetrack and located west of the ' restrooms in the southern portion of the site. Kleinfelder recommends that the septic systems be abandoned in accordance with local, state and federal regulations. If unusual odors or soil discoloration is noted soil sampling should be conducted. ' 4. Approximately five dry wells and associated drains are located on the subject site. Kleinfelder did not reveal incidences of releases/ spills of hazardous substances associated with the dry wells as part of this assessment. Kleinfelder is concurrently conducting a Phase II Assessment to evaluate ' potential contaminants in soil associated with these dry wells. 5. A storm water retention basin is located northeast of the racetrack. It does not appear to pose an environmental concern to the site. 6. Utility vaults were noted throughout the site. No staining, evidence of leakage, stressed vegetation, or odors were observed and the utilities are not currently expected to have an adverse impact on the site. 7. Soil staining was noted in the grass and dirt areas of the racetrack. Kleinfelder is currently conducted a Phase II Assessment to evaluate potential contaminants in shallow soil associated with the race track. 8. A soil stain was noted on the southeast end of the water retention basin located north of the racetrack. The vertical extent of the stained area could not be evaluated. If the client desires, soil sampling and analysis can be performed to further address this issue. 9. Two pole-mounted transformers and a pad-mounted transformer are located on the subject site. No leaking or soil stains were noted in association with the transformers and they do not appear to pose an environmental concern. t 10. Two domestic wells are located west of the bleachers. If the wells are intended for future use, they should be tested for suitability. If the wells are to be removed, Kleinfelder recommends that the wells be closed and removed in accordance with local, state and federal regulations. ' 11. A fuel AST is located on a concrete secondary containment pad north of the racetrack. No staining, leakage or stressed vegetation was observed on or around the tank. An interview with the owner indicated this area included past mobile AST/s in this area as well. Although the tank is ' not currently expected to have an adverse impact on the site, Kleinfelder is currently conducted a Phase II Assessment which includes evaluation of this AST area. 12. Approximately ten 55-gallon drums are located on a concrete secondary containment pad north of the racetrack and two 55-gallon drums are located south of the racetrack. No staining, leakage or stressed vegetation was observed on or around the drums. The drums are not currently expected to have an adverse impact on the site. ' Page 6 of 22 58671.E02/ST05R1127/DH:ly September 15,2005 ©2005 Kleinfelder, Inc. 1