Laboratory safety including the safe handling of laboratory chemicals with reference to WHMIS is emphasized. Characteristic laboratory hazards are identified and precautions for flammable, toxic and corrosive materials, compressed gases, electricity, cryogens, and insidious substances are described. Appropriate personal protective equipment is discussed. In laboratory, students are taught frequently used laboratory skills including laboratory documents, weighing, pipetting, filtration, solution preparation, titration, and glassware cleaning and maintenance. The importance of calibration curves, control charts and the determination of determinate and indeterminate errors are emphasized.