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2. National Institute for Occupational Safety and Health. 1983. NIOSH Current Intelligence Bulletin 39—Glycol Ethers.DHHS (NIOSH), Pub. No. 82–112
3. American Conference of Governmental Industrial Hygienists. 1985.Threshold Limit Values for Chemical Substances and Physical Agents in the Workroom Environment with Intended Changes for 1985–1986, Cincinnati, OH
4. U.S. Department of Labor. 1981.Occupational Safety and Health Administration: General Industry Standards, 1000 Pub. 2206, 29CFR 1910