| Lead |
Soils - tills, clays, fine sands, coarse sands, loam, silts, etc.
Wastewater Sludge - plumbing fixture mfg., TV tube mfg.
Sediments - river & lake bottoms, settling basins
Mineral processing waste - tailings, media separator bottoms
Battery recycling debris
Primary smelter slag
Secondary smelter slag
Steel electromelt furnace dust (K061)
Petroleum refinery sludge - K048, K051, K052, tetraethyl lead
Mirror mfg. waste
Target range backstop soils
Automobile recycling "shredder fluff"
Wire chop "fluff"
Foundry sands
Paint sandblasting debris
Scrap yard soils and storm water runoff basin sediments
Municipal waste incinerator ash
Abrasive mfg. debris |
| Cadmium |
Wastewater sludge - battery mfg.
Wastewater sludge - printed circuit board mfg.
Lead & Zinc ore processing waste
Automobile "shredder" fluff |
| Arsenic |
Soils & sediments at CCA wood treating plants
Veterinary medicine formulation waste.
Ash from thermal destruction of chemical weapons.
K084 sludge |
| Zinc |
Zinc ore processing waste
Galvanizing process rinseate sediments |
| Chromium |
Soil at chromium ore staging site
Soil around chrome plating line.
Wastewater treatment sediment at bearing mfg.
Cooling tower basin sediments |
| Selenium |
Agricultural runoff sediment
Ceramic "frit" residue |
| Antimony |
Weapons mfg wastewater sediment |
| Barium |
Wastewater treatment lagoon sediments |