NAME: Tantalum (metal, oxide dusts)
IMIS: 2325
CAS: 7440-25-7
NIOSH: RTECS WW5505000
DESCRIPTION:
Solid. Appearance, odor, and properties vary depending upon
specific compound.
INCOM:
Strong oxidizers
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
5 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL:
5 mg/m3 TWA
ACGIH TLV:
5 mg/m3 TWA
NIOSH REL: 5 mg/m3 TWA; 10 mg/m3 STEL
Health Factors
SYMPTOM(s):
In animals: pulmonary irritation
HEALTH EFFECTS:
Apparent low toxicity (HE19)
ORGAN:
None known in humans
Monitoring
PRIMARY SAMPLING/ANALYTICAL METHOD (SLC1):
MEDIA:
Tared Low Ash Polyvinyl Chloride (LAPVC) filter 5 microns
MAX V:
960 Liters MIN V:
480 Liters MAX F:
2.0 L/min
ANL 1:
Gravimetric analysis
REF:
2 (OSHA In-House File), 11, 12
SAE:
0.10
CLASS:
Fully Validated
NOTE:
Evaluate Gravimetrically. If gross weight is less than PEL do not send to SLTC for analysis.
WIPE:
MEDIA:
Whatman smear tab; Solvent: Deionized water
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