safety in the science laboratory read instructions before starting experiments; follow all...
TRANSCRIPT
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SAFETY IN THE SCIENCE LABORATORY
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• Read instructions before starting experiments;
• Follow all directions carefully
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• Don’t touch anything until instructed to do so;
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• Perform only those experiments authorized by the instructor;
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• Do not eat food,drink beverages or chew gum in the lab;
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• Absolutely no horseplay in the lab!
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• Keep work areas clean and tidy;
• Keep aisles clear;
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• Know the locations and operating procedures of all safety equipment
• Safety shower
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• Eyewash station
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• Fire blanket
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• Fire extinguisher
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• Dispose of all chemical waste properly, according to instructions;
• Clean equipment and work area after use;
• Return all materials to proper location
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• Keep hands away from face, eyes and mouth while using chemicals;
• Wash hands thoroughly before leaving lab;
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• Goggles must be worn at all times during a lab;
NO
YES
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• Dress properly during a lab;– Tie long hair back
– No dangling jewelry– No loose, baggy clothing
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• No sandals (shoes should completely cover top of foot)
• Wear lab aprons• No contact lenses
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• Report any accident or injury to the instructor immediately;
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• If a chemical splashes on your skin, immediately flush with running water and notify instructor
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• When checking a chemical for odors, gently waft vapors towards nose;
NO YES
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• Double check labels on chemical bottles
• Take only as much chemical as you need;
• Never return unused chemicals to their original containers;
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• When diluting acids always add the acid to the water;– “Do as you oughta – add acid to
water”
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• Never handle broken glass with your bare hands;– Use a dust pan and brush
– Place broken glass in glass disposal container
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• Never use chipped, cracked or dirty glassware;
• Never leave a lit burner unattended;
• When heating a substance in a test tube, never point the mouth of the test tube at yourself or others;
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• Never look down into a container that is being heated;
• Be careful – hot glass doesn’t look hot!
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• Never pipet by mouth!
• NO!
• YES!
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THE END