Line 17:
Line 17:
#contaminated soils or sites with high risk of contamination from on-site activities (i.e. pollution hot spots),
#contaminated soils or sites with high risk of contamination from on-site activities (i.e. pollution hot spots),
#in areas of known or implied karst topography,
#in areas of known or implied karst topography,
−
#on unstable or steep slopes (15 to 20%),
+
#on unstable or steep slopes (>15%),
# to treat construction site runoff,
# to treat construction site runoff,
#to treat combined sewer overflows,
#to treat combined sewer overflows,