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| 13866350362 | Carbon Monoxide | a colorless, odorless, and poisonous gas; product of volcanic eruption, fires, burning of fossil fuels, photochemical reactions in the troposphere |  | 0 |
| 13866356676 | Lead (Pb) | used in building construction, lead-acid batteries for vehicles, bullets, fishing weights, lead-based paint chips; failure of blood to make hemoglobin (anemia), hormone disruptions, mental retardation, miscarriages. |  | 1 |
| 13866369394 | Nitrogen Oxides (NOx) | Produced as a result of fuel combustion, especially at high temperatures. It is a primary pollutant and can help create secondary pollutants. It can inhibit plant growth, cause asthma, and is associated with global warming, acid rain, and ground-level ozone. |  | 2 |
| 13866372118 | Ozone (O3) | inorganic molecule that is a secondary air pollutant. Burning fossil fuels and releasing VOCs. NOx + VOCs = PANs + O3 |  | 3 |
| 13866379086 | PANs | secondary pollutants that break slowly in the atmosphere and can cause respiratory disease, eye irritation, reducing crop yield |  | 4 |
| 13866391189 | Sulfur Oxides (SOx) | Source- burning coal and oil; effects-respiratory irritation, produces acid deposition, reduces plant growth; reduction- use low sulfur coal, limestone injection or flue gas scrubbing. Equation for acid formation: SO2 + O2 ® SO3 + H2O ® H2SO4 |  | 5 |
| 13866393247 | PM3 | suspended particulate matter. The smaller and lighter, the longer it will stay in the air. They can make streams and lakes more acidic, change nutrient balance, deplete nutrients in the soils, increase health issues (respiratory and cardiovascular). | 6 | |
| 13866402611 | VOCs | organic compounds that become vapors at typical atmospheric temperatures. Causes irritation, headaches, cancer, and luver/kidney damage |  | 7 |
| 13866407931 | Asbestos | A long, thin, fibrous silicate mineral with insulating properties, which can cause cancer when inhaled. | 8 | |
| 13866409778 | Formaldehyde | An organic compound that is a colorless, flammable and pungent gas; present in the air and many food and beauty products. Carcinogenic and can lead to nasal and lung cancer. | 9 | |
| 13866414880 | POPs | persistent organic pollutants; resistant to environmental degradation. Have long-range transport, bioaccumulates in fatty tissues. | 10 | |
| 13866422509 | Radon | an invisible, radioactive gas that forms from the decay of radium beneath buildings. | 11 | |
| 13866426755 | Case Study: Reading Prong | uranium-rich geological formation in the Northeast that has caused high concentrations of radon gas | 12 | |
| 13866436609 | World Trade Center | 9/11: Explosions from terrorist attacks released massive amounts of dust into the air. Measured to have a lot of dioxins. | 13 | |
| 13866444576 | acid deposition | Sulfur oxides and nitrogen oxides, emitted by burning fossil fuels, enter the atmosphere-where they combine with oxygen and water to form sulfuric acid and nitric acid-and return to Earth's surface | | 14 |
| 13866448880 | effects of acid deposition | increase of fish kills due to more acidic water, changes in vegetation, changes in animal life, acid shock (rapid melting of snow pack) | 15 | |
| 13866456128 | Remediation of Acid Deposition | support of Clean Air Act, tax incentives to switch to green vehicles, requiring pollution-control technology, CEM monitoring | 16 | |
| 13866466871 | Noise Control Act | Promotes a national environment free from noise that jeopardizes health and welfare. Establishes research, noise standards, and information dissemination. |  | 17 |
| 13866469458 | Gulf of Mexico Dead Zone | Area in the Gulf of Mexico that has low amounts of oxygen due to large amounts of nutrients. Contains large amounts of Phosphorus and Nitrogen in the water from the Mississippi River. | 18 | |
| 13866477305 | National Environmental Policy Act | Passed in 1969, the centerpiece of federal environmental policy, which requires agencies to file environmental impact statements. | 19 | |
| 13866479939 | Clean Water Act | 1972; set maximum permissible amounts of water pollutants that can be discharged into waterways; aims to make surface waters swimmable and fishable |  | 20 |
| 13866482651 | Safe Drinking Water Act | 1974: standards for safe water in US |  | 21 |
| 13866488354 | Sanitary Landfills | Disposal sites for non-hazardous solid waste that is spread in layers and compacted to the smallest practical volume. The sites are typically designed with floors made of materials to treat seeping liquids and are covered by soil as the wastes are compacted and deposited into the landfill. |  | 22 |
