"The United States Environmental Protection Agency published two documents proposing National Emissions Standards for Hazardous Air Pollutants (HAP) concerning hazardous emissions produced during the making of flexible polyurethane foam products.[10] The HAP emissions associated with polyurethane foam production include methylene chloride, toluene diisocyanate, methyl chloroform, methylene diphenyl diisocyanate, propylene oxide, diethanolamine, methyl ethyl ketone, methanol, and toluene however not all chemical emissions associated with the production of these material have been classified. Methylene chloride makes up over 98 percent of the total HAP emissions from this industry. Short-term exposure to high concentrations of methylene chloride also irritates the nose and throat. The effects of chronic (long-term) exposure to methylene chloride in humans involve the central nervous system, and include headaches, dizziness, nausea, and memory loss. Animal studies indicate that inhalation of methylene chloride affects the liver, kidney, and cardiovascular system. [11]"
[10] Federal Register / Vol. 61, No. 250 / Friday, December 27, 1996 / Proposed Rule: Environmental Protection Agency and Environmental Protection Agency Federal Register / Vol. 63, No. 194 /Wednesday, October 7, 1998 /Rules and Regulations
[11] Environmental Protection Agency Federal Register / Vol. 63, No. 194 /Wednesday, October 7, 1998 /Rules and Regulations
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