| A | B |
|---|
| Wastes that are a risk to the health of humans or other living organisms. | Hazardous waste. |
| Any dicarded solid material. | Solid waste. |
| Where does most waste end up? | Landfills. |
| What is the Superfund Act? | It gives the EPA the right to sue owners of hazardous waste sites for the cost of cleanup. |
| What is LD50? | Lethal dose 50. Dose of a hazardous material that will cause death in 50% of dosed animals. |
| What is LC50? | Lethal Concentration 50. Concentration of a material that will cause death in 50% of animals exposed. |
| How can we prevent problems with hazardous waste? | Produce less, reuse materials, neutralize materials. |
| Using bacteria to break down hazardous materials. | Bioremediation. |
| Pumping waste deep underground. | Deep well injection. |
| Wastes stay in pond with sealed bottom. | Surface impoundment. |
| Burning hazardous materials. | Incineration. |
| US average of solid waste per person per day. | 4.4 lbs. |
| Can be broken down, decomposed. | Biodegradable ex: paper, cotton, leather. |
| Doesn't break down. | Nonbiodegradable. ex: Nylon, plastic. |
| Liquid that has passed through solid waste in a landfill. | Leachate. |
