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0021,50 During the fall of 1986 construction activities began in the South Meadow portion of the private land. Primary activities included earth work necessary for the South Mecdow golf course and infrastructure. Potential fugitive dust emissions as a result of these activities are governed by the provisions of a Fugitive Particulate Emission Control Plan which was approved by the Colorado Department of Health, Air Pollution Control Division on August 9, 1985. Key conponents of the dust control plan include watering disturbed areas during construction, limiting vehicle speeds over unpaved roads during construction, and revegetating disturbed areas. b. Alternative 'IWo The proposed development would result in an increase in pollutant emissions in the valley. Pollutants of concern are particulates and carbon monoxide (CO) from woodburning devices and vehicle exhausts. Particulates which would be dispersed into the atmos];here from vehicle travel over paved and unp:lVed roads are not considered a significant source during winter ronths due to snCM and ice cover. Emissions from woodburning appliances and vehicles exhausts are, however, expected to be at their highest levels during the winter ski season. Winter is also the season of lowest pollutant dispersion potential. As part of the planned resort, fireplaces and woodstoves are proposed for supplemental room heating and aesthetic enjoyment of the residents. These fireplaces and woodstoves would be designed to control and limit the amount of particulate and CO pollutants emitted in order to meet the State of Colorado proposed regulations for certification of woodstoves (APCD Regulation No. 4). These regulations are scheduled to go into effect on July 1, 1987. On the average, most dwelling units in Wolf Creek Valley are planned to have one woodburning appliance. However, woodburning appliances in individual units of the hotel and employee housing are not planned. Thus, a total of 2939 individual dwelling units would each have a average of one woodburning appliance. Approximately 70 percent (2057) of these appliances are expected to be fireplaces and 30 percent (882) woodstoves. In addition to the fireplaces in each dwelling unit, canrnon fireplaces in the hotel, other multi-unit facilities, restaurants, etc. are estimated at one for every 35 dwelling units, for an additional 84 fireplaces. Dispersion modeling of potential pollutants from the planned Wolf Creek Valley Resort was performed using the ventilated Box Model. Box locations and valley floor dimensions used in emissions allocation and mOdeling are shown in Figure 13. A detailed description of the model, worst case meteorological scenarios, and input-output data can be found in the Woodward-CJ.yde, 1985 report. 183