Safety Rules

1. Safety Rules By following safety rules in the lab, you will help keep both yourself and others safe.

2. Safety Rules • Be prepared for the lab procedure. Read the ____________ prior to class or work. Do not proceed unless you understand the instructions. • Do not perform experiments without your ____________’s permission. Never work __________ in the laboratory. • Maintain a lab space ____________of paper, texts, and other clutter. Only lab manuals and notebooks should be in the work area. • Read all _________ carefully before using a chemical. Check the name twice. If you are not familiar with the chemical, read the material ____________ data sheet first. INSTRUCTIONS TEACHER ALONE FREE LABELS SAFETY

3. Use _________ the chemicals assigned to your area. Do not borrow chemicals from other labs or use items not listed on your lab’s inventory. • Be familiar with the locations and procedures of all ___________ equipment, including safety _________, fire ______________, fire __________________, spill controls, eyewash station, and fire exits. • Follow ______written and verbal instructions. Do not attempt experiments beyond those that have been approved by your instructor or supervisor. Ask for ________________ if a technique or procedure is unclear or too difficult. • Do not ________ or __________chemicals. ONLY SAFETY EXTINGUISHER SHOWER BLANKETS ALL ASSISTANCE TASTE TOUCH

4. If chemicals come in contact with your eyes or skin flush the area immediately with large quantities of _____________. Immediately inform your _______________ of the nature of the spill. • Wear splash goggles, face shields, gloves, and an approved apron in the laboratory. The gloves should match the chemicals being used for the procedure. Lab coats may be required in some labs. • Wear appropriate clothing. Shoes must be ________ toed. Coats (weather) are not permitted. Bulky or expensive clothing and jewelry should not be worn. Leg coverings are a must. • Long hair should be ___________ or ________ back. WATER TEACHER CLOSED COVERED TIED

5. Do not wear contact _____________in the lab, even under goggles. Lenses can absorb vapors and are _____________ to remove in case of an emergency. • Do not ______, ________, or __________ gum in the lab. • Do not use _______________ liquids near ignition sources such as burners or hot plates. Never leave a Bunsen burner ____________. • When heating a substance in a test tube, be careful not to ____________ the mouth of the test tube at another person or yourself. Never look down the mouth of a test tube. • Do not heat graduated cylinders, burettes or pipettes with a laboratory ________________. LENSES DIFFICULT DRINK CHEW EAT FLAMMABLE UNATTENDED POINT BURNER

6. Do not use chipped, broken, or cracked _________________ in any procedures. • Return unused chemicals to the ________________ container. Make sure all containers are labeled and that the labels are readable. • Do not insert droppers into ______________ bottles. Pour a small amount of the chemical into a ____________. • Follow the proper ________________ for the disposal of chemicals, broken glass and products of reactions. Do not pour ____________ down the sink without checking the procedures. • Know the correct procedure to ____________ acid solutions. Always add the acid slowly to the ____________. Do not add water to the acid. GLASSWARE DESIGNATED REAGENT BEAKER INSTRUCTIONS CHEMICALS PREPARE WATER

7. ____________ all chemical spills and accidents to your instructor or supervisor immediately. Refer to the spill procedures posted for the lab. • Keep the balance area clean and never place chemicals ____________ on the _________ of the balance. • ____________ the area after you have completed your work. Use only cleaning products approved for the work area. • ____________the personal protective equipment used and your ____________ before leaving the lab. • Make sure the gas and water are turned ______. Wash your hands with soap and water before you ____________the lab. REPORT DIRECTLY PAN CLEAN WASH HANDS OFF LEAVE