NAME: Yttrium
IMIS: 2602
CAS: 7440-65-5
NIOSH: RTECS ZG2980000
DESCRIPTION:
Solid. Appearance, odor, and properties vary depending upon specific
compound.
INCOM:
Yttrium nitrate; combustible materials
Exposure Limits
OSHA GENERAL INDUSTRY PEL:
1 mg/m3
OSHA CONSTRUCTION INDUSTRY PEL:
1 mg/m3 TWA
ACGIH TLV:
1 mg/m3 TWA; (metal and compounds, as Y)
NIOSH REL: 1 mg/m3 TWA
Health Factors
SYMPTOM(s):
Eye irritation; In animals: pulmonary irritation; eye injury; possible
liver damage
HEALTH EFFECTS:
Pneumoconiosis (Diffuse Fibrosis) (HE10)
ORGAN:
Eyes, lungs
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
ANL A:
Inductively Coupled Argon Plasma; ICP/DCP-AES
NOTE:
Submit as a separate sample. If the filter is not overloaded, samples may be collected up to an 8-hour period.
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