Industrial & Commercial Business Activities Water Quality - Industrial/Commercial Business Activities  IC-01 Airplane   IC-02 Animal Handling   IC-03 Building Maintenance   IC-04 Carpet Cleaning   IC-05 Concrete   IC-06 Erodible Surfaces   IC-07 Landscape   IC-08 Nurseries   IC-09 Outdoor Drainage   IC-10 Outdoor Loading and Unloading   IC-11 Outdoor Process Equipment   IC-12 Outdoor Storage   IC-13 Over Water Activities   IC-14 Painting   IC-15 Parking Lot and Storage   IC-16 Pools and Fountain Cleaning   IC-17 Spill Prevention   IC-18 Fueling   IC-19 Vehicle Maintenance   IC-20 Vehicle Cleaning   IC-21 Waste Handling   IC-22 Eating Establishments   IC-23 Fire Sprinkler   IC-24 Wastewater Disposal Fact Sheet