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Highly Toxic: a gas that has a LC 50 in air of 200 ppm or less. [2] NFPA 704: Materials that, under emergency conditions, can cause serious or permanent injury are given a Health Hazard rating of 3. Their acute inhalation toxicity corresponds to those vapors or gases having LC 50 values greater than 1,000 ppm but less than or equal to 3,000 ppm ...
Residential exposure to radon gas has similar cancer risks as passive smoking. [6] Radiation is a more potent source of cancer when it is combined with other cancer-causing agents, such as radon gas exposure plus smoking tobacco.
The health effects of radon are harmful, and include an increased chance of lung cancer. Radon is a radioactive, colorless, odorless, tasteless noble gas, which has been studied by a number of scientific and medical bodies for its effects on health.
Lead was first added to gasoline in 1927 to keep car engines healthy; its use was gradually taken off the market starting in the 1970s due to both health and environmental concerns, and phased out ...
The study, published in the Journal of Child Psychology and Psychiatry, attributed an estimated 151 million cases of psychiatric disorders over the past 75 years to leaded gas exposure in American ...
“Exposure to lead can seriously harm a child's health,” the U.S. Centers for Disease Control says, explaining that it’s most harmful to children under age 6. Lead can damage the brain and ...
After use of a carcinogen or if exposure to a carcinogen has occurred, ensure the correct decontamination procedure is executed. Personnel must wash hands and arms with soap and water, immediately after handling. If exposure occurs, contact emergency health services and use safety shower/eye wash station.
Here are the actual risks, according to an atmospheric chemist.