References
- National Association of Solvent Recyclers . 1983 . Greenbook of Solvent Recycling Washington, D.C.
- The University of Alabama Division of Continuing Education . 1982 . Safe State Industrial Hygiene Report Tuscaloosa, AL
- U.S. Department of Health, Education, and Welfare . 1980 . Chemical Recovery Systems, Inc Cincinnati, OH NIOSH Technical Assistance Report TA 80–48
- Gregory , E. D. and Elia , V. J. 1983 . Sample Retentivity of Passive Organic Vapor Samples and Charcoal Tubes Under Various Conditions of Sample Loading, Relative Humidity, Zero Exposure Periods, and a Competitive Solvent . Am. Ind. Hyg. Assoc. J , 44 : 88
- U.S. Department of Health, Education, and Welfare . 1977 . Manual of Analytical Methods , NIOSH Pub. No. 77–157A Cincinnati, OH
- 3M Company . 1977 . Organic Vapor Analytical Method No. 2 St. Paul, MN