NAAQS six criteria pollutants - Answers Carbon monoxide, dioxide, Nitrogen Dioxide, Sulfur
Dioxide, Particulate matter, lead, & Ground-level Ozone
Clean Air Act 1973 - Answers Requires EPA to maximum allowable concentrations of six
"criteria" pollutants in outdoor air @ national level
PCB ( Polychlorinated biphenyls) - Answers transformer coolant, plasticizers, carbonless paper
DDT ( - Answers From pesticides- Silent Spring 1962
Superfund - Answers Est by CERCLA(1980) Comprehensive Environmental Response,
Compensation, and Liability Act (CERCLA)
(CERCLA) - Answers Law created a tax on the chemical and petroleum industries, provided for
liability of persons responsible for releases of hazardous waste at these sites
(NPL) - Answers National Priorities List, list of hazardous waste sites in the United States
eligible for long-term remedial action (cleanup) financed under the federal Superfund program
(SARA) - Answers Superfund Amendments and Reauthorization Act, amended CERCLA in 1986
Clean Water Act (1972) SDWA - Answers Main federal law that ensures the quality of
Americans' drinking water
"Priority" pollutants - Answers biochemical oxygen demand, total suspended solids, fecal
coliform, oil and grease, and pH
National Pollutant Discharge Elimination System (NPDES) - Answers
- Answers Unconfined when its upper surface (water table) is open to the atmosphere through
permeable material
Groundwater - Answers aquifers below the surface of the Earth, source of 37% of water
Metamorphic rock - Answers Original rock is subjected to very high heat and pressure
Foliated metamorphic rocks - Answers (gneiss, phyllite, schist, and slate
Non-foliated metamorphic rocks - Answers hornfels, marble, quartzite,granulite
Reason for brittle in steel while equilibrium cooling - Answers brittle carbide plates form thin
plates in slow cooled
Low-carbon used as rolled or fabricated (chromium content is low ) - Answers due to their
strength's ability to increase by heat treatment