Chromium (Chromium IV, Chromic (VI) Acid, Chromates (VI))

NIOSH Resources

NIOSH Pocket Guide to Chemical Hazards
DHHS (NIOSH) Publication No. 2005-149
Exposure limits, Respirator Recommendations, First Aid, more...
The Pocket Guide is a source of general industrial hygiene information on several hundred chemicals/classes found in the work environment. Key data provided for each chemical/substance includes name (including synonyms/trade names), structure/formula, CAS/RTECS Numbers, DOT ID, conversion factors, exposure limits, IDLH, chemical and physical properties, measurement methods, personal protection, respirator recommendations, symptoms, and first aid.

• Chromium(II) compounds (as Cr)
• Chromium(III) compounds (as Cr)
  Chromium metal (CAS No. 7440-47-3)
• Chromic acid and chromates (CAS No. 1333-82-0

International Chemical Safety Cards
An ICSC summarizes essential health and safety information on chemicals for their use at the "shop floor" level by workers and employers in factories, agriculture, construction and other work places.

• Chromium
• Chromium (III) chloride (anhydrous)
• Chromium (III) chloride Hexahydrate
• Chromium dioxide
• Chromium (III) hydroxide hydrate
• Chromium hydroxide sulfate
• Chromium (III) nitrate nonahydrate
• Chromium (III) oxide
• Chromium (VI) oxide

Documentation for Immediately Dangerous to Life or Health Concentrations (IDLH)
The IDLH documents the criteria and information sources that have been used by NIOSH to determine immediately dangerous to life or health concentrations.

• Chromium(II) compounds [as Cr(II)]
• Chromium(III) compounds [as Cr(III)]
• Chromium metal (as Cr)
• Chromic acid and Chromates

NIOSH Manual of Analytical Methods (NMAM)
NMAM is a collection of methods for sampling and analysis of contaminants in workplace air, and in the blood and urine of workers who are occupationally exposed.

• Chromium, Hexavalent (No. 7600) PDF only 24KB (4 pages)
• Chromium, Hexavalent (No. 7604) PDF only 18KB (3 pages)
• Chromium and cpds, as Cr (No. 7024) PDF only 20KB (4 pages)
• Chromium Elements by ICP (No. 7300) PDF only 117KB (8 pages)
• Chromium, Hexavalent in settled dust (No. 9101) PDF only 7KB (1 page)

Health Hazard Evaluations
NIOSH conducts Health Hazard Evaluations (HHEs) to find out whether there are health hazards to employees caused by exposures or conditions in the workplace.

Some recent HHE reports related to Chromium have been listed below. For a comprehensive listing of HHE reports please search the HHE Database.

• Health Hazard Evaluation Report, HETA- 2003-0328-2935, CPC Pasedena Plastics Complex, Pasedena, TX.  PDF only  387 KB (24 pages)

NIOSH Safety and Health Topic: Hexavalent Chromium

NIOSH Criteria Documents: Criteria for a Recommended Standard: Occupational Exposure to Chromium VI
DHHS (NIOSH) Publication No. 76-129 (1975)  
Contains a standard for mitigation of exposure to Chromium VI to prevent adverse effects over a working lifetime.

Additional Resources

Agency for Toxic Substances Disease Registry (ATSDR) - ToxFAQs: Chromium
External Link: http://www.atsdr.cdc.gov/tfacts7.html

Toxicological Profile for Chromium (ATSDR)
External Link: http://www.atsdr.cdc.gov/toxprofiles/tp7.html

OSHA Safety and Health Topic: Hexavalent Chromium
External Link: http://www.osha.gov/SLTC/hexavalentchromium/index.html

OSHA Hazard Recognition: Hexavalent Chromium
External Link: http://www.osha.gov/SLTC/hexavalentchromium/recognition.html

OSHA Fact Sheet: Hexavalent Chromium
External Link: http://www.osha.gov/OshDoc/data_General_Facts/hexavalent_chromium.pdf
PDF only 20KB (2 pages)

New Jersey Hazardous Substance Fact Sheets: Chromium
External Link: http://nj.gov/health/eoh/rtkweb/documents/fs/0432.pdf
PDF only (6 pages)

EPA (Air Toxics): Chromium
External Link: http://www.epa.gov/ttnatw01/hlthef/chromium.html

EPA Consumer Fact Sheet (Ground and Drinking Water): Chromium
External Link: http://www.epa.gov/OGWDW/dwh/c-ioc/chromium.html

Toxnet
A search engine accessing several databases provided by the National Library of Medicine.
External Link: http://toxnet.nlm.nih.gov

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