Laboratory Safety

CH1, CH3

OSHA Laboratory Standard

• Requires a Chemical Hygiene Plan• Rules for safe handling of hazardous chemicals

Health Hazards• Hazardous chemicals cause acute or chronic health effects.• Acute exposure – short duration & high concentration• Chronic exposure – long duration & low concentration

Health Hazards

• Routes of exposure• Contact with skin and eyes• Inhalation• Ingestion• Injection

• Types of health hazards• Toxic• Flammable• Corrosive• Carcinogenic

Health Hazards

• Acute• Rashes• Dizziness• Coughing• Burns

• Chronic• Joint pain• Neurological disorders• Tumors

Health Hazards

• Protective measures• safety rules• Chemical Hygiene Plans• fume hoods• glove boxes• Personal protective equipment (PPE), e.g. goggles, apron

• Student must inform of latex allergy

Physical Hazards

• Spilled liquid• Broken glassware• High pressure or vacuum• Gas cylinders• Cryogenic liquids• Electrical equipment• Lasers• Magnetic fields

Material Safety Data Sheet (MSDS)

• Information for proper handling, storage, and disposal of hazardous material

• Also see label on chemical container

• Must read label and MSDS before using a chemical

Personal Apparel and PPE in the Lab

• PPE - Personal protective equipment• Clothing covers legs• Tee-shirt• Shoes cover the feet• Apron or lab coat• Eye protection (goggles)• Long hair pulled back• No dangling jewelry

Safety Rules

• Guidelines for what to wear in lab• Avoiding exposure to hazardous chemicals• Other general lab guidelines

Laboratory Housekeeping

• No food or drink• Personal items stored away• Clean bench tops, hoods before leaving lab• Dispose of all chemicals and glass in their container• Wipe any water spills• Return equipment• Label chemical containers• Check electrical cords, hose connections, and other

equipment for us