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WASTES, HAZARDOUS OR SOLID <br />Affected Environment: Since this parcel is surrounded by subdivision development and has a <br />few existing roads, it may have been used for occasional dumping by some in the community. <br />However, these types of solid household waste dumps are unlikely to contain hazardous substances. <br />Based on this description, it is determined that current conditions are presumably free of <br />contamination. <br />Environmental Effects <br />Proposed Action <br />Direct and Indirect Impacts: The proposed project has the greatest potential for release <br />associated with petroleum products and antifreeze. Other projects using heavy equipment usually only <br />have de minimis releases below reportable quantities. These releases are typically associated with <br />fluids transfer, such as what occurs when refueling equipment onsite. Therefore there is potential for <br />multiple de minimis releases that, cumulatively, could result in some contamination of soil and ground <br />water. In addition, storage of large quantities of petroleum products on site could also pose a risk of <br />release. <br />The proposed project operations plan, that includes permit requirements of The State of Colorado and <br />BLM, takes a reasonable and industry- standard approach to petroleum product management, which <br />should result in a low possibility of a spill. As these scenarios are common practice throughout <br />industry, following existing regulation and best management practices should be adequate to mitigate <br />any potential impacts to any media at or downgradient of the site. <br />Cumulative Impacts: None are anticipated if all requirements are followed. <br />Mitigation/Residual Effects: BLM standard stipulations and requirements for hazardous <br />substances and petroleum products should be included in the operating plan and the permitting process <br />for this project. These stipulations are designed to contain any spills and prevent any substantial <br />contamination. They are as follows: <br />1) Hazardous or regulated substances, including petroleum products, to be used on site <br />must be listed in an operations plan. <br />2) Use of hazardous substances requires that all appropriate State and Federal <br />Regulations be complied with including, but not limited to, Material Safety Data Sheets <br />(MSDS) on hand and use of necessary Personal Protective Clothing (PPE). <br />3) On -site disposal or misuse of hazardous substances or Resource, Conservation, <br />Recovery Act (RCRA) regulated wastes, including hydrocarbons, is not authorized. On -site <br />disposal will subject the contractor to at least the cost of reclamation and the appropriate <br />disposal of contaminated soil. <br />4) Incidental leaks from fittings, gaskets or ruptured hoses will not subject the contractor <br />to remedial requirements. They will be considered to be normal and unavoidable losses and <br />should not result in impacts to the site. Continual leaks will be noted on inspection reports and <br />correction through maintenance required. <br />46 <br />