NAME: Hafnium
IMIS: 1368
CAS: 7440-58-6
NIOSH: RTECS MG4600000
DOT: 1326 32; 2545 40
DESCRIPTION:
Solid. Appearance and odor vary depending upon specific compounds.
INCOM:
Strong oxidizers and chlorine
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
0.5 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL:
0.5 mg/m3 TWA
ACGIH TLV:
0.5 mg/m3 TWA
NIOSH REL: 0.5 mg/m3 TWA
Health Factors
SYMPTOM(s):
In animals: eye, skin, mucous membrane irritation; liver damage
HEALTH EFFECTS:
Cumulative liver damage (HE3)
Irritation-Eyes, Throat, Skin---Mild (HE16)
ORGAN:
Eyes, skin, mucous membranes
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Mixed Cellulose Ester Filter (MCEF) 0.8 microns
MAX V:
960 Liters MIN V:
480 Liters MAX F:
2.0 L/min
ANL 1:
Atomic Absorption Spectroscopy; AAS
REF:
2 (OSHA In-House File)
CLASS:
Not Validated
|