Other Sources of Contaminations

PROBLEMS THAT ORIGINATE ON LAND SURFACE
Infiltration of polluted surface water.
Land disposal of either solid or liquid wastes.
Stockpiles
Dumps
Disposal of sewage and water
De-icing salt usage and storage.
Animal feedlots.
Fertilizers and pesticides.
Accidental spills.
Particulate matter from airborne sources.

PROBLEMS THAT ORIGINATE IN THE GROUND ABOVE THE WATER TABLE
Septic tanks, cesspools and privies.
Holding ponds and lagoons.
Sanitary landfills.
Waste disposal in excavations.
Leakage from underground storage tanks.
Leakage from underground pipelines.
Articicial recharge.
Sumps and dry wells.
Graveyards.

PROBLEMS THAT ORIGINATE IN THE GROUND BELOW THE WATER TABLE
Waste disposal in well excavations.
Drainage wells and canals.
Well disposal of wastes.
Underground storage.
Secondary recovery
Mines.
Exploratory wells.
Abandoned wells.
Water supply wells.
Groundwater development.

AGRICULTURAL
Animal burial areas.
Animal feedlots.
Chemical storage areas.
Chemical application (e.g., pesticides, fungicides, fertilizers.
Irrigation.
Manure spreading & pits.

RESIDENTIAL
Furniture & wood strippers and refinishers
Household hazardous products
Household lawns (chemical applications)
Septic systems, cesspools and water softeners
Sewer lines
Swimming pools

WASTE MANAGEMENT
Hazardous waste management units (e.g., landfills, land treatment areas, surface impoundments, waste piles, incinerators)
Municipal incinerators
Municipal landfills
Municipal wastewater and sewer lines
Open burning sites
Recycling and reduction facilities
Stormwater drains, retention basins
Transfer Stations

COMMERCIAL
Airports	Auto Repair Shops
Boat Yards	Construction Areas
Car Washes	Cemeteries
Dry Cleaning Establishments	Educational Institutions (e.g., labs, lawns and chemical storage areas)
Gasoline Stations	Golf Courses (chemical applications)
Jewelry and Metal Plating	Laundromats
Medical Institutions	Paint Shops
Photography Establishments and Printers	Railroad Tracks and Yards
Scrap and Junkyards	Storage Tanks (i.e., above ground, below ground, and underground
Research Laboratories	Road De-icing Operations

INDUSTRIAL
Ashpalt Plants	Chemical Manufacturer, Warehousing, and Distribution Activities
Electrical & Electronic Products Manufacturing	Electroplaters and Metal Fabricators
Foundries	Machine & Metalworking Shops
Manufacturing & Distribution for Cleaning Supplies	Mining (surface and underground) and Mine Drainage
Petroleum Products Production, Storage and Distribution Centers	Pipelines
Septage Lagoons and Sludge	Storage Tanks (above ground; below ground; underground)
Toxic and Hazardous Spills	Wells -- Operating or Abandoned (e.g., oil, gas, water supply, injection, monitoring & exploration)
Wood Preserving Facility

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to the program or the webmaster.