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Standard Categories List <br />The folbwing list contains standard categories to be used in the assessment <br />Potential Environmental Effects Consumption Natural Materials Consumption <br /> Power Consumption <br /> Water Consumption <br /> Conservation <br /> Waste Generation Solid Waste Generation <br /> Wastewater Generation <br /> Contaminants or Toxics <br /> Recycling <br /> Environment Alterotions Water flow Variations <br /> Water Quality Degrodotion <br /> Groundwater Degradation <br /> Soil Degradation <br /> Aquatic Habitat Degradation <br /> Riparian Degradation <br /> Upland Habitat/Flora Degradation <br /> Air Quality Degradation <br /> Aesthetics (Noise, Light) <br /> Score Effect Substantial . 3 <br /> Effect Moderate 2 <br /> Effect Slight 1 <br /> Negative effect - <br /> Positive effect + <br />Factors Causing Habitat Alterations Water Temperature Changes <br /> Flow Alteration Increase <br /> Decrease <br /> Sediment Delivery <br /> Contaminants or Toxics <br /> Nutrients <br /> Riparian Alteration Vegetation Change <br /> Width Change <br /> Physical Modification Habitat Reduction <br /> Habitat Access Restriction <br /> Assumed <br /> <br />Number of Locations C <br />Citywide <br />>10 Values <br />15 <br />M Multiple between 2 and 70 5 <br />S Single only 1 1 <br />Frequency A Accidental One time occurrence 1 <br />D Daily (work day) >3 days/week 150 <br />De Daily (every day) 7days/week 350 <br />M Monthly 2 or less times/month and >3 times/year 10 <br />W Weekly 3 or less times/week and >2 times/month 40 <br />Y Yearly 3 or less times/year 1 <br />Duration e.g. 0.5 x/ 1 day or 24 hours e.g. 6 hours = 0.25 days <br /> Maximum possible activity duration: 3600 <br />Seasons All Year Record season/s of occunence 1 <br />fall 0.2 <br />fall-Winter 0.6 <br />Spring 0.3 <br />Spring-Fall 0.6 <br />Spring-Summer 0.4 <br />Summer 0.1 <br />Summer-fall 0.3 <br />Winter 0.4 <br />Winter-Spring 0.7 <br />Drainage Areas Amazon Creek <br /> Bethel-Danebo <br /> Clear Lake-Long Tom <br /> Laurel Hill <br /> River Road-Santa Cldra <br /> Willakertie <br /> Willamette River <br /> Willow Creek <br />Units <br />activity locations <br />occurrences/yedr <br />hours/year per location <br />portion of annual "delivered" factor <br />