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. samples at selected sites within the 11-mile reach. NRM will remain a part of this ongoing study. Environmental Protection Agencyl Access Agreements: NRM delineated the footprint of the Superfund Site. The remediation plan investigated properties within the impacted area and comprised a list of potentially responsible parties (PRP's) and property owners. A mass mailing sent out to the PRP's and property owners by the EPA discussed the type of potential impact the work plan may have on the individual properties. NRM waited upon responses before beginning remediation work efforts. . au 6 Groundwater Evaluation: determine the efficacy of au 6 water routing to the LMDT: The NRM has been tasked by the EPA to gather all existing groundwater information in order to be able to 'type' the water and determine its pathways of travel. This information gathering takes the form of 1) dye trace studies, 2) natural potential studies of the LMDT, and 3) existing data interpretation from previous studies. A study completed in 1997 describing the 'rising groundwater levels' within the Superfund Site district will ultimately be up-dated with this newly gathered information. The information is to be used to determine groundwater pathways throughout the Superfund site, which will serve to identify possible treatment pathways for the feasibility study of the Superfund Site-wide groundwater (operable unit 12) as well as au 6 specific groundwater issues. CDPHE - Point of Compliance: Students in CMC NRM were responsible for measurements of three water quality parameters: pH, conductivity, and temperature, at eight different sites throughout Leadville, CO. The sites were measured four times daily; all data collected was transferred into the NRM database, and was then e-mailed to the Colorado Department of Public Health and Environment for interpretation. A high-flow sampling plan was developed and submitted to the CDPHE in January of 2003 for review. NRM will provide safety and sampling support in May 2003 for this project if approved. RMC Summitville: NRM provided field support to Rocky Mountain Consulting for assistance in a sampling event. The project was located at the Summitville Mine and included 30 mines of the Alamosa River. In this situation one NRM student was assigned the to assist RMC employees in surface water sampling, sediment sampling, and integrated depth sampling in two reservoirs. Along with that, water-gaging stations along the Alamosa River were calibrated and maintained. . RMC Groundwater Sampling (CDPHE): NRM provided field support to Rocky Mountain Consulting (RMC) for assistance in an annual ground