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CNAPTERTHREE Enuironmentlli consequences Pipeline Corridor Impacts would be the same as those described for the Proposed Action. However, the Pipeline Plan of Development (Appendix E) includes pipeline spill contingency procedures that should help minimize adverse impacts to alluvial aquifers along the pipeline route skiould a spill occur. Parachute Site Impacts would be similaz to those described for the Proposed Action. Howe~rer, adverse impacts should be minimised by groundwater monitoring required under the Agency Preferred Alternative. 3.4.2 Unavoidable Adverse Impacts No unavoidable adverse impacts are expected, similaz to the Proposed Actiar. Lrtpacts may occur as a result of failure of equipment, operator failure, or unforeseen mining conditions. 3.5 METEOROLOGY AND AIR QUALITY 3.5.1 Direct and Indirect Impacts Piceance Site The Agency Preferred Alternative would have direct and indirect impacts to air quality, similar to those described for the Proposed Action. The proposed cooling tower specified under the Proposed Action has been eliminated, thereby reducing the amount of water vapor that would be dischazged to the atmosphere along with entrained particulate matter. The Colorado Air Pollution Control Division (APCD) has issued a construction permit for this project under which processes would be monitored to assure compliance with permit conditions. Pipeline Corridor Under the Agency Preferred Altemative, potential air quality impacts would be the same as those described for the Proposed Action. Parachute Site The Agency Preferred Alternative would have similar direct and indirect impacts to air quality described for the Proposed Action. The proposed cooling tower specified under the Proposed Action has been eliminated, thereby reducing the amount of water vapor that would be discharged to the atmosphere along with entrained particulate matter. In accordance with the construction pemtit issued by APCD, processes would be monitored to assure compliance with permit conditions. i • 3-6 Meteorology and Air Quality