Page:NIOSH Manual of Analytical Methods - 7903.pdf/5

 H

CAS, RTECS 7664-39-3 HF (20.01) MW7875000 7647-01-0, HCl (36.46) MW4025000 H3PO4 7664-38-2, (97.99) TB6300000 HBr 10035-10-6, (80.92) MW3850000 HNO3 7697-37-2, (63.01) QU5775000 H2SO4 7664-93-9, (98.08) W55600000
 * Group I Pesticide

Acid and M.W.

1 mg/ m3

2 ppm

C5 ppm 1 mg/ m3 3 ppm

OSHA 3 ppm

TABLE 1. GENERAL INFORMATION.

1.491

2 ppm; STEL 4 ppm 1 mg/m3*, STEL 3 mg/m3

liquid

gas

Physical State gas

2 ppm; 2.58 STEL 4 ppm 1 mg/m3; (aerosol) STEL 3 mg/m3

-42.0

-88.5

21.0

-114.8

MP, (°C) -83.1

83

-66.8

260

-85.0

BP, (°C) 19.5

PROPERTIES

liquid

3.0

290

AL

liquid

gas

IC

1 mg/m3, 1 mg/m3, (aerosol) 3 STEL 3 mg/m STEL 3 mg/m3 C 3 ppm C 3 ppm 3.31

C 5 ppm

ACGIH C 3 ppm

3

mg/m = 1 ppm @ NTP 0.818

ST OR

NIOSH 3 ppm; 6 ppm STEL C 5 ppm

EXPOSURE LIMITS

1.84

1.50

2.16

1.7

1.194

Sp. Gr (liq.) 0.987

<0.0001 (<0.001)

0.39 (2.9)

>101 (>760)

0.0038 (0.03)

>101 (760)

VP @ 20 °C kPa (mm Hg) >101 (>760)

ACIDS, INORGANIC: METHOD 7903, Issue 2, dated 15 August 1994 - Page 5 of 6

NIOSH Manual of Analytical Methods (NMAM), Fourth Edition