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Chemical Sampling Information (CSI)
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General Description

Synonyms: Metallic tin; Tin flake; Tin metal; Tin powder; Elemental tin

OSHA IMIS Code Number: 2430

Chemical Abstracts Service (CAS) Registry Number: 7440-31-5

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: XP7320000

NIOSH Pocket Guide to Chemical Hazards - Tin: Physical description, chemical properties, potentially hazardous incompatibilities, and more

Exposure Limits and Health Effects

Exposure Limit

Limit Values

HE Codes

Health Factors and Target Organs

OSHA Permissible Exposure Limit (PEL) - General Industry
See 29 CFR 1910.1000 Table Z-1

2 mg/m3
TWA

HE10

 

Stannosis*

OSHA PEL - Construction Industry
See 29 CFR 1926.55 Appendix A

2 mg/m3
TWA

HE10

Stannosis*

OSHA PEL - Shipyard Employment
See 29 CFR 1915.1000 Table Z-Shipyards

2 mg/m3
TWA

HE10

 

Stannosis*

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL)

2 mg/m3
TWA

HE16

Eye, nose, throat, and skin irritation

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV) (2001)

2 mg/m3
TWA

HE10

 

Stannosis*

CAL/OSHA PEL

2 mg/m3
TWA

HE10

Stannosis*
* Stannosis is a mild form of pneumoconiosis.

National Toxicology Program (NTP) carcinogenic classification: Not listed

International Agency for Research on Cancer (IARC) carcinogenic classification: Not listed

U.S. Environmental Protection Agency (EPA) carcinogenic classification: Not listed

EPA Inhalation Reference Concentration (RfC): Not established

Agency for Toxic Substances and Disease Registry (ATSDR) Inhalation Minimal Risk Level (MRL): Not established

NIOSH Immediately Dangerous to Life or Health (IDLH) concentration: 100 mg Sn/m3

Notes on Other Potential Health Effects and Hazards

  1. Tin powder is combustible (NIOSH/IPCS 2004).

Date Last Revised: 9/6/2012

Literature Basis

  • ACGIH: Threshold Limit Values (TLVs) and Biological Exposure Limits (BEIs) - Tin and Inorganic Compounds, excluding Tin Hydride. 2001.
  • NIOSH: Occupational Health Guideline for Inorganic Tin Compounds (As Tin). 1978.
  • NIOSH: Recommendations for Occupational Safety and Health. 1992.
  • NIOSH/IPCS: International Chemical Safety Cards - Tin. October 28, 2004.
Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: Mixed Cellulose Ester Filter (MCEF) 0.8 microns
    maximum volume: 960 Liters   
    minimum volume:     480 Liters   
    maximum flow rate:     2.0 L/min
    current analytical method: Atomic Absorption Spectroscopy; AAS
    method reference: 2 (OSHA ID-121)
    sampling and analytical error: 0.15
    method classification: Fully Validated
    note: If the filter is not overloaded, samples may be collected up to an 8-hour period. Tin may be requested with three of the following elements: Cadmium, Lead, Antimony &/or Silver. Otherwise, submit as a separate sample.
    alternative analytical method: Inductively Coupled Argon Plasma; ICP
    method reference: 2 (OSHA ID-206)
    sampling and analytical error: 0.11
    method classification: Fully Validated
    note: Method ID-206 provides results for Ag, Be, Zn, Sb, Cu, and Pb. Cd results will be provided upon request.

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