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4 J. i 3.5 Descriptions of all current off-site potential and/or known above and below ground sources of ' contamination identified in the area of the project site include those referenced in Sections 3.2, 3.3, and 3.4 above. These listed sites can be considered"past"off-site sources of contamination that are simultaneously "current" contaminated sources. f § 4.0 EVALUATION OF PAST AND CURRENT SOURCES OF CONTAMINATION IDENTIFIED AT OR NEAR THE SITE AND RECOMMENDATIONS FOR FURTHER ACTION 4.1 Evaluation of each potential and/or known source of contamination identified in the above Sections have been discussed in the respective Sections to facilitate the transfer of information to the reader. 1 § 5.0 CONCLUSIONS AND RECOMMENDATIONS 1§ 5.1 Evaluation of each point source potential contamination described (i.e.,the LUFT and UST sites 1.5 miles to the north,the electrical transformers, and the on-site septic tanks) and non- point sources (i.e., surrounding a richemical application with virtual/ no non-target drift, and nitrate in the underlying groundwater)pose a very low-to-insignificant risk to the subject property and human health. Septic system density in this locale can be considered very sparse. Consequently, the degree of nitrate-nitrogen impact from this source can be considered small. It is impossible that any of the referenced LUFT sites, or non-point sources could affect groundwater under the subject property. There are no observable aboveground storage tanks, nor underground tank appurtenances immediately surrounding the property. Therefore, it may be considered highly unlikely that any tanks in this locale may affect the property because of ► the distances involved. r ' The ASTM E-1527-00 Document referenced on Page 2 refers to de minimus environmental conditions. De minimus conditions generally do not present a material risk to public health or to the environment and generally would not include an enforcement action if observed by the appropriate governmental agencies. Household hazardous materials may be considered de minimus concerns if there has been no spillage or dumping. f Typical household "hazardous materials" include gasoline, paint thinners, new and used motor oil, antifreeze, etc. Spillage or dumping of typical household hazardous substances were not observed. It is noted in the Environmental Questionnaire that there was apparently never an underground or above ground fuel storage tank on the property for as long as Mr. Nahas has ' owned the property, other than the propane tanks documented in the photographic plates. As referenced in Section 1.1,the on-site domestic well and the on-site irrigation well appear to have inadequate seals at the tops of both well casings. This has been documented in the photographic plates. Page -7- Chesney Consulting