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<br /> <br />Comprehensive Malytical Rrsul[s Report <br />East and West Willow Crcek <br />SITE INSPECTION <br />COMPREHENSIVE ANALYTICAL RESULTS REPORT <br />EAST WILLOW CREEK (CERCLIS ID q 000001014398) <br />i AND WEST WILLOW CREEK (CERCLIS ID N CO000103542'n <br />MINERAL COUNTY, COLORADO <br />1.0 PRODUCTION <br />Under a Cooperative Agreement with the United States Environmental Protection Agency (EPA), the <br />Hazardous Materials and Waste Management Division of the Colorado Department of Public Health and <br />Environment (CDPHE) conducted a combined Site Inspection (SI) of East Willow Creek (including Willow <br />Creek) and West Willow Creek (including Windy Gulch) located near Creede, Mineral County, Colorado. <br />The study was designed to evaluate the impact of mining in the Creede Mining District (CMD). The work <br />was performed under the authority of the Comprehensive Environmental Response, Compensation, and <br />Liability Act of 1980 (CERCLA or "Superfund"), as amended by the Superfund Amendments and <br />Reauthoriiation Act of 1986 (SARA), for the EPA Region VIII Superfund Remedial Screening Program. <br />This Comprehensive Analytical Results Report (ARR) presents the results of the sampling program which <br />was conducted from May 30 through June 2, 1995. For background information the reader is referred to <br />the Preliminary Assessments (CDPHE, 1995A & 1995B), the combined Sampling and Analysis Plan (SAP) <br />(CDPHE, 19950), and the combined Sampling Activities Report (SAR) (CDPHE, 1995D). The SAR is <br />included as Appendix A. <br />The sampling activities at the CMD included the collection of 111 samples into 315 sample containers. <br />These included 21 solid source and soil samples, 3 aqueous source samples from mine drainages, 49 <br />aqueous surface water samples (including 7 quality assurance and 4 opportunity samples), and 38 solid <br />surface water (i.e. sediment) samples. The sample locations are illustrated on Figures 1-3 and the <br />analytical results are summarized in Tables 2-7. <br />The SAP was designed to bridge with sampling requirements of other EPA and State programs to the extent <br />practical. Flow measurements were obtained for most surface water locations and mine drainages. Global <br />Positioning (GPS) readings were taken for all sample locations. In addition, four 1-liter aliquots were <br />obtained for each aqueous sample to allow for the analysis of total and dissolved metals as well as EPA Lab <br />1 <br />