04_AECOM_Environmental Report_Final

Air Quality Madeling Report Table 4-1 Comparison of Auer and NLCD Land Use Categories Auer Urban Land Use Categories” USGS 2016 NLCD Categories?! Type Use and Structure Vegetation Category Description Developed, Medium Intensity - Areas with a mixture of constructed materials . a and vegetation. Impervious surfaces R2 Dense single/multi-family < 30% 23 account for 50% to 79% of the total cover. These areas most commonly include single-family housing units. R3 Multi-family, two story < 35% Developed, High Intensity — Highly > 5 developed areas where people reside or " Heavy Industrial s 5% work in high numbers. Examples include 12 Light’moderate industrial <5% 24 apartment complaxes, row houses and commercial/industrial. Impervious: surfaces account for 80% to 100% of the c1 Commercial < 15% total cover. Notes: USEPA, 2017. !lMuiti-Resatution Land Characteristics Consortium (MRLC). AECOM 19