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| cadmium |
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| An extremely toxic heavy metal most commonly found where ore is being smelted or processed. Used in electroplating, welding and in industrial paints, over exposure can lead to death. The risk of over exposure is increased by the fact that the characteristic brown fume emitted by cadmium when it is heated is not irritating enough to alert the person being exposed. | | carbon monoxide |
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| Produced when fuels do not burn completely. All combustion requires air for fuel to burn efficiently. When any fuel-burning appliance is inadequately ventilated, or is not operating properly, carbon monoxide is produced. In the home, most cases of carbon monoxide poisoning involve gas appliances like ranges, heaters, and clothes dryers. Wood-, coal-, or kerosene-burning appliances can also emit carbon monoxide.The US Product Safety Commission, in Product Safety Fact Sheet #13, says that hundreds of people die of carbon monoxide poisoning each year. Early symptoms of poisoning are much like flu symptoms and include headache, dizziness, and inability to concentrate. More serious poisoning can cause nausea and vomiting, shortness of breath, convulsions, unconsciousness, and death. | | cellulose |
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| An amorphous polymer (substance formed by combining many small molecules) that is the chief constituent of plant tissues and fibers, used to make paper, cellophane, textiles and explosives. | | CFC (Chlorofluorocarbon) |
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| All CFCs are human created organic chemicals. They are used as cooling agents in cars and home air conditioners, refrigerators, medical solvents, Styrofoam, house insulation, and aerosol cans (banned in U.S., but still used in many areas around the world). The contained use of CFCs is not itself harmful, the problem results when CFCs leak into the environment.Once loose chlorine from CFCs migrates into the upper atmosphere and destroy ozone molecules that form the earth’s protective layer. CFC’s contribute to global warming and are the primary culprit responsible for ozone depletion. | | chlorinated hydrocarbons |
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| Used as pesticides to control fungi, molds, insects, and rodents Often found in new carpet. | | chlorine |
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| The active ingredient in bleach, also found in cleansers, table salt (sodium chloride), plastics (polyvinyl chloride), aerosol propellants (chlorofluorocarbons) and pesticides.Possible effects of chlorine exposure include eye, ear nose and throat irritation. Ingestion can cause esophageal injury, stomach irritation, and prolonged nausea and vomiting. Bleach, when mixed with acidic substances such as ammonia, toilet bowl cleaners, drain cleaner, or vinegar, forms deadly chloramine gas. | | chlorine bleach |
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| Chlorine and caustic soda (sodium hydroxide) combine to form sodium hypochlorite, the active ingredient in chlorine bleach. Chlorine bleach works by chemically changing the staining substance to prevent it from absorbing light. | | compact fluorescent |
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| Compact fluorescent light bulbs are a long-lasting, energy-efficient alternative to standard incandescent bulbs. Many compact fluorescents are now flicker-free and approximate the light quality of incandescents. They produce light though an electronic process instead of using a heating filament. | | compost |
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| A mixture primarily composed of decayed organic matter used for soil conditioning and fertilization. Composting is the process of converting rotting vegetation (compost) into partially decomposed of plant or animal matter (humus) to enrich the soil. | | cryptosporidium |
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| A parasitic organism which causes infection in the large and small intestine, through fecally contaminated materials or water; typically from animals to humans or humans to humans. Recently cryptosporidium has been recognized as a worldwide cause of diarrhea in all age groups, including traveler's and acute childhood diarrhea. |
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