AMINES, ALIPHATIC: METHOD 2010, Issue 2, dated 15 August 1994 - Page 4 of 4 SAMPLING
Substance
Diethylamine Dimethylamine
MEASUREMENT
OVERALL
BTa Vol. (L)
Conc. (mg/m 3)
Range (mg/m 3)
Range (mg/sample)
Precision (Sr)
DE
Bias (%)
Precision (SˆrT )
Accuracy (±%)
>46
160
36-165
1.8-7.1
0.02
0.82
5
0.07
18.7
>45.6
42.5
7.02-29.5
0.4-1.7
0.03
0.92
1.1
0.062
13.2
a
Breakthrough (BT) experiments performed at flow rate of 0.2 L/min.
REFERENCES: [1]
[2] [3] [4] [5]
[6]
[7] [8] [9]
Documentation of the NIOSH Validation Tests, S139 and S142, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-185 (1977), available as Stock No. PB 274-248 from NTIS, Springfield, VA 22161. NIOSH Manual of Analytical Methods, 2nd. ed., Vol. 3, S139 and S142, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-157-C (1977). Ibid., Vol. 1, P&CAM 221, U.S. Department of Health, Education, and Welfare, Publ. (NIOSH) 77-157-A (1977). Ibid., S144, S146, and S150. Campbell, Evan E., G.O. Wood, and R.G. Anderson. "Development of Air Sampling Techniques," Los Alamos Scientific Laboratory, Progress Reports (unpublished) LA-5634-PR (June 1974), LA-5973-PR (July 1975), and LA-6057-PR (September 1975). Wood, G.O. and R.G. Anderson. "Development of Air Monitoring Techniques Using Solid Sorbents," Los Alamos Scientific Laboratory, Progress Reports (unpublished) LA-6216-PR (February 1976) and LA-6513-PR (September 1976). OSHA Manual of Analytical Methods, USDOL OSHA Salt Lake City Technical Center, Salt Lake City, UT. Available from ACGIH, Cincinnati, OH (1991). NIOSH/OSHA Occupational Health Guidelines for Chemical Hazards, U.S. Department of Health and Human Services, Publ. (NIOSH) 81-123 (1981). Andre, C.E. and A.R. Mosier. "Precolumn Inlet System for the Gas Chromatographic Analysis of Trace Quantities of Short-Chain Aliphatic Amines," Anal. Chem., 45. 1971 (1973).
METHOD REVISED BY: Paula Fey O'Connor, NIOSH/DPSE. Table 1. Exposure Limits and Properties.
Compound
Exposure Limits, ppm OSHA NIOSH ACGIH
mg/m 3/ppm @ NTP
Properties
Diethylamine
25
10; STEL 25
5 (skin) STEL 15
2.99
Liquid; d 0.708 g/mL @ 20 °C; MP -50 °C; BP 55.5 °C; vapor density (air = 1) 2.5; VP 25.9 kPa (195 mm Hg) @ 20 °C; explosive limits in air 1.8 to 10.1% (v/v)
Dimethylamine
10
10
5; STEL 5
1.84
Gas; MP -92.2 °C; BP 6.88 °C; vapor density (air = 1) 1.6; VP 173.9 kPa (1307.2 mm Hg) @ 20 °C; explosive limits in air 2.8 to 14% (v/v)
NIOSH Manual of Analytical Methods (NMAM), Fourth Edition, 8/15/94
