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Chromic acid and chromate dust

Airborne dust or powder containing chromic acid or hexavalent chromates.

Airborne form

dust

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

respiratory irritationnasal septum perforationliver damagekidney damageeye injuryconjunctivitisskin ulcersensitization dermatitislung cancer

Carcinogenicity

Potential occupational carcinogen — chromic acid and chromates. Classification system: NIOSH, group potential occupational carcinogen.

A classification applies only to the agent and exposure described by the cited source; it is not a personal risk estimate.

Evidence

NIOSH identifies respiratory irritation, nasal septum perforation, organ damage, eye injury, skin ulceration, sensitization dermatitis, and potential occupational carcinogenicity; lung cancer is the listed cancer site.

Source: html ↗ · saved source
Exposure Limits; Exposure Routes; Symptoms; Target Organs; Cancer Site · 1
NIOSH REL (as Cr): Ca TWA 0.0002 mg/m³ (8-hours). Symptoms irritation respiratory system; nasal septum perforation; liver, kidney damage; leukocytosis (increased blood leukocytes), leukopenia (reduced blood leukocytes), eosinophilia; eye injury, conjunctivitis; skin ulcer, sensitization dermatitis; [potential occupational carcinogen]. Target Organs Blood, respiratory system, liver, kidneys, eyes, skin. Cancer Site [lung cancer].

NIOSH identifies chromic acid and chromates as potential occupational carcinogens and lists a 0.001 mg Cr(VI)/m³ REL.

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Immediately Dangerous to Life or Health Concentrations · 1
NIOSH REL: 0.001 mg Cr(VI)/m³ TWA; NIOSH considers chromic acid and chromates to be potential occupational carcinogens as defined by the OSHA carcinogen policy.

A NIOSH health-hazard evaluation states that acute chromium dust and mist exposure may irritate the eyes, nose, and throat.

Source: pdf ↗ · saved source
page 2 · Evaluation Criteria · 1
Acute exposure to chromium dust and mist may cause irritation of the eyes, nose, and throat.

NIOSH identifies additional adverse effects associated with hexavalent chromium exposure, including respiratory irritation, occupational asthma, nasal and sinus cancer, and pulmonary congestion or edema.

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Health effects associated with hexavalent chromium exposure · 1
Other adverse health effects associated with Cr(VI) exposure include ... occupational asthma ... nasal cancer, sinus cancer ... respiratory irritation ... pulmonary congestion and edema.

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