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MAP20071019899Seymour, Martha J.Evaluation of sampling and analytical methods for the determination of chlorodifluoromethane in air / Martha J. Seymour and Michelle F. LucasSumario: The purpose of this study was to evaluate NIOSH Manual of Analytical Methods (NMAM) Method 1020, 2516, and 1018 for the sampling and analysis of chlorodifluoromethane. Chlorodifluoromethane is a chemically inert, non flammable, non explosive gas at standard conditions, which liquifies when subjected to a pressure greater than atmospheric pressureEn: American Industrial Hygiene Association journal. - Fairfax, Virginia. - Vol. 54, nº 5, May 1993 ; p. 253-2591. Higiene industrial. 2. Contaminantes químicos. 3. Chlorodifluoromethane. 4. Contaminación atmosférica. 5. Métodos de análisis. 6. Método N.I.O.S.H.. 7. Valores TLV. 8. Muestreos. I. Lucas, Michelle F.. II. Title. III. Título: American Industrial Hygiene Association journal.