NIOSH Pocket Guide to Chemical Hazards

Grain dust (oat, wheat, barley)


RTECS MD7900000
Synonyms & Trade Names
None [Note: Grain dust consists of 60-75% organic materials (cereal grains) & 25-40% inorganic materials (soil), and includes fertilizers, pesticides & microorganisms.]
DOT ID & Guide


NIOSH REL: TWA 4 mg/m3
OSHA PEL: TWA 10 mg/m3
IDLH N.D. See: IDLH INDEX Conversion
Physical Description
Mixture of grain and all the other substances associated with its cultivation & harvesting.
Properties depend upon the specific component of the grain dust.

Incompatibilities & Reactivities
None reported
Measurement Methods
NIOSH 0500
See: NMAM or OSHA Methods
Personal Protection & Sanitation (See protection)
Skin: No recommendation
Eyes: No recommendation
Wash skin: No recommendation
Remove: No recommendation
Change: Daily

First Aid (See procedures)
Eye: Irrigate immediately

Breathing: Fresh air

Important additional information about respirator selection
Respirator Recommendations Not available.
Exposure Routes inhalation, skin and/or eye contact
Symptoms Irritation eyes, skin, upper respiratory system; cough, dyspnea (breathing difficulty), wheezing, asthma, bronchitis, chronic obstructive pulmonary disease; conjunctivitis, dermatitis, rhinitis, grain fever
Target Organs Eyes, skin, respiratory system