New Techniques: Bioretention Basins Compost Berms Compost Blankets New Information: SWPPP forms and EPA guidelines Updated Cost Data Custom AutoCAD linetypes: Custom designed AutoCAD linetypes for Erosion and Sediment Control Plans Ero_Blanket.pat EroDraw.lin Erodraw1.shx Grooved.pat Mulch.pat Perm_Seed.pat Serrated.pat Shrubs.pat Sod.pat Stepped.pat Straw_Anch.pat Surf_Rough.pat Temp_Seed.pat Tree_Pres.pat