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Chemical Sampling Information (CSI)
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General Description

OSHA IMIS Code Number: 2432

Chemical Abstracts Service (CAS) Registry Number: 21651-19-4 (Stannous Oxide (Synonyms: SnO; Tin(II) Oxide)); 18282-10-5 (Stannic Oxide (Synonyms: SnO2; Tin(IV) Oxide))

NIOSH Registry of Toxic Effects of Chemical Substances (RTECS) Identification Number: XQ3700000 or XQ4000000

NIOSH Pocket Guide to Chemical Hazards, Tin(II) oxide (as Sn) or Tin(IV) oxide (as Sn): chemical description, physical properties, potentially hazardous incompatibilities, and more

Exposure Limits

OSHA Permissible Exposure Limit (PEL):

Maritime: 29 CFR 1915.1000 Table Z-Shipyards -- 15 mg/m3 TWA

American Conference of Governmental Industrial Hygienists (ACGIH) Threshold Limit Value (TLV): 2 mg/m3 TWA (TLV listed under Tin, as Sn (Oxide & Inorganic Compounds, except hydride))

National Institute for Occupational Safety and Health (NIOSH) Recommended Exposure Limit (REL): 2 mg/m3 TWA

Health Factors

Potential Symptoms: Stannosis (benign pneumoconiosis): cough, dyspnea (breathing difficulty), decreased pulmonary function

Health Effects: Pneumoconiosis (Stannosis) (HE10)

Affected Organs: Respiratory system

Notes:

  1. Cases of stannosis have been reported in men working in the smelter of a tin mine and working in tin recovery from scrap.

Literature Basis:

  • NIOSH Pocket Guide to Chemical Hazards: Tin(II) oxide (as Sn).
  • NIOSH Pocket Guide to Chemical Hazards: Tin(IV) oxide (as Sn).
  • International Chemical Safety Cards (WHO/IPCS/ILO): Tin(II) oxide.
  • International Chemical Safety Cards (WHO/IPCS/ILO): Tin(IV) oxide.
  • Pohanish, R.P. (editor): Tin. Sittig's Handbook of Toxic and Hazardous Chemicals and Carcinogens, Fourth Ed., Vol. 2. Norwich, NY: Noyes Publications, William Andrew Publishing, 2002, pp. 2211-2213.
  • Sluis-Cremer, G.K., Thomas, R.G., Goldstein, B. and Solomon, A.: Stannosis. A report of 2 cases. S. Afr. Med. J. 75(3): 124-126, 1989.

Date Last Revised: 10/03/2005

Monitoring Methods used by OSHA

Primary Laboratory Sampling/Analytical Method (SLC1):

  • sampling media: tared 37-mm diameter low-ash polyvinyl chloride filter
    maximum volume: 960 Liters
    minimum volume: 480 Liters
    maximum flow rate: 2.0 L/min
    current analytical method: Gravimetric
    method reference: OSHA Analytical Method (OSHA PV2121)
    method classification: Partially Validated
    note: OSHA personnel can obtain tared sampling media from the Salt Lake Technical Center.
    note: If the net weight of the sample yields a concentration below the standard for the substance, the Salt Lake Technical Center will perform no further work on that sample. If the net weight corresponds to an amount greater than the standard, the sample may be analyzed for the appropriate element and the result reported as the substance.
    current elemental analysis method: Atomic Absorption Spectroscopy; AAS
    method reference: OSHA (In-House File)
    method classification: Not Validated

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