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5.0 DISCUSSION AND RECOMMENDATIONS <br /> 5.1 DISCUSSION <br /> Based on discussions with former Pitkin Iron employees (Mr. <br /> Nielson and Mr. Ware) it appears that most waste handling, <br /> storage, and disposal practices were consistent with industrial <br /> practices of the period during which the site was operated (the <br /> 1970 's through 1992) . The possibility is high that, by current <br /> standards for waste management, mishandling of small quantities <br /> of hazardous substances occurred at this site. Additionally, <br /> based on information gathered through this assessment, several <br /> concerns regarding the presence of hazardous or toxic substances <br /> have been identified as follow: <br /> areas of oil-stained soil from compressor blowdown; <br /> an area of oil-stained concrete at the loading dock; <br /> waste oil and lubricants presently stored on-site in <br /> drums and buckets; <br /> possible asbestos containing materials at the buildings <br /> on the facility; <br /> the AST with stained soil at the base; <br /> a lead acid battery next to the packwall plant; <br /> possible discharge of extreme pH water from stockpiles; <br /> disposal of cans of paint, lubricating oil, and <br /> solvents on the property in two places; and <br /> dumping of general garbage at two places on the <br /> property. <br /> It is the opinion of R.D. Piland and Associates Consultants that <br /> the subject property may include hazardous or toxic substances in <br /> soils resulting from the above mentioned on-site sources. Waste <br /> oil is the primary concern for soil contamination. Waste <br /> lubricating oil is resistant to leaching, however, so there <br /> appears to be little likelihood of groundwater contamination. It <br /> also contains little, if any volatile organic compounds (VOCs) <br /> and the semi-volatile organic compounds are generally less mobile <br /> and less hazardous than VOCs. <br /> 5.2 RECOMMENDATIONS <br /> Based upon the findings of this assessment, R.D. Piland and <br /> 23 <br />