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

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

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

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