9 September 2013
Safety in the Laboratory
2. a) The fire extinguisher should be used when, and only when there is a fire. In order to use a fire extinguisher one must pull the pin, aim at the fire, squeeze the trigger, and sweep. b) Whenever chemicals make contact with your eye, it is imperative that you go to the eyewash station. This is where you will be able to clean and flush out any chemicals in your eyes in order to prevent any damage. In order to use the eyewash, you must push the valve and place your eyes over the openings. c) You should use the shower if, during a lab, chemicals splash or spill on you. In order to activate the shower you must simply pull on the lever. d) Safety goggles should be worn at all times during any lab. They offer protection for your eyes and are easy to use. All you must do is place the strap behind your head and pull the goggle over your eyes. e) The fume hood should be used whenever you are dealing with substances that release fumes. In order to use the fume hood, you pull the window up, place the substance near the back of the hood, and turn the lights on. 3. a) If a student’s skin is burned, you should flush it with cold water. b) If a caustic chemical gets on a student’s skin, you must flush the skin with lots of water. Remember to use the safety shower if necessary. c) If a student cuts them self, you should follow the instructions on the first aid kit, or in our case go to the nurse. d) If a chemical splashes in a student’s eye, use the eyewash to flush the eyes for 15 minutes and then get them checked by a doctor. e) If a small amount of a poisonous chemical is accidentally swallowed, note the chemical and contact the teacher for an antidote. If needed, contact poison control for further assistance. f) If a student’s shirtsleeve catches fire, use a fire extinguisher to put out the flames. 4. a) You should stand up when heating a liquid because it is much easier to move away when standing rather than sitting. If the...
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