HOW TO READ A WHMIS SAFETY DATA SHEET
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4.2 Most Important Symptoms and Effects, Acute and Delayed
Skin Contact: repeated exposure may result in absorption
through the skin/eyes causing a significant health hazard.
TOXIC IN CONTACT WITH SKIN.
Ingestion: swallowing a small amount will result in serious
health hazard. TOXIC IF SWALLOWED.
Possible Symptoms (Acute and Delayed):
– Irritation Eyes, Skin, Throat, Upper Respiratory System
– Headache
– Drowsiness, Dizziness, Confusion
– Muscle Movement Disturbance (Ataxia)
– Visual Disturbance, Blurred Vision, Optic Nerve Damage
(Blindness)
– Skin burns, Dermatitis
– Lacrimation (discharge of tears)
– Rhinorrhea (discharge of thin nasal mucus), Cough,
Dyspnea (breathing difficulty)
– Nausea, Vomiting
– Reproductive Toxicity
– Kidney and Liver Effects
Target Organs:
– Eyes, Skin, Respiratory System
– Central Nervous System
– Gastrointestinal Tract
This area provides critical information about the most pertinent symptoms
and health effects that may manifest following exposure to a hazardous
product. This includes:
– Acute Symptoms/Effects: information on the immediate effects that can
occur (within minutes) shortly after exposure. This is dependent on the
route of entry the hazardous product enters the body from. Examples:
irritation, nausea.
– Delayed Symptoms/Effects: information on the effects that occur
(hours or longer) some time after exposure to a hazardous material.
This is dependent on the route of entry the hazardous product enters
the body from. Examples: headache, blurred vision, etc.
