Page:NIOSH Manual of Analytical Methods - 2010.pdf/4

 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 "Development of Air Sampling Techniques," Los Alamos Scientific Laboratory, Progress Reports (unpublished) LA-5634-PR (June 1974), LA-5973-PR (July 1975), and LA-6057-PR (September 1975).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 "Development of Air Monitoring Techniques Using Solid Sorbents," Los Alamos Scientific Laboratory, Progress Reports (unpublished) LA-6216-PR (February 1976) and LA-6513-PR (September 1976).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