EASTLAKE HIGH SCHOOL SCIENCE DEPARTMENT LAB SAFETY RULES

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3 SAFETY GLASSES MUST BE WORN AT ALL TIMES IN ALL LABORATORIES UNLESS OTHERWISE ADVISED BY YOUR INSTRUCTOR.

4 NEVER look into the opening of ANY chemical containing vessel. NEVER look into the opening of ANY chemical containing vessel. NEVER BRING VESSELS WHICH CONTAIN CHEMICALS NEAR YOUR FACE. Keep your face as far back as possible during heating and mixing operations. NEVER BRING VESSELS WHICH CONTAIN CHEMICALS NEAR YOUR FACE. Keep your face as far back as possible during heating and mixing operations. The List of NEVER’S

5 NEVER bring chemicals into contact with the eyes, nose, mouth, skin or clothing. NEVER bring chemicals into contact with the eyes, nose, mouth, skin or clothing. NEVER run, jump, or eat in the laboratory. NEVER run, jump, or eat in the laboratory. NEVER kneel on the floor or sit on the lab tables. NEVER kneel on the floor or sit on the lab tables. NEVER leave an experiment unattended. NEVER leave an experiment unattended. NEVER remove chemicals, supplies, or equipment from the lab. NEVER remove chemicals, supplies, or equipment from the lab.

6 NEVER perform an experiment without the instructor’s approval. NEVER perform an experiment without the instructor’s approval. –Modifications of any experiment must also be approved by your instructor. –Use all lab equipment for its intended purpose.

7 NEVER pour or handle flammable substances near an open flame. NEVER pour or handle flammable substances near an open flame. NEVER HEAT FLAMMABLE SUBSTANCES WITH AN OPEN FLAME. NEVER HEAT FLAMMABLE SUBSTANCES WITH AN OPEN FLAME. NOTE: You are ALL safety officers… watch your neighbor’s burner, it may be too close to the flammable material you’re handling. NOTE: You are ALL safety officers… watch your neighbor’s burner, it may be too close to the flammable material you’re handling.

8 NEVER add water to concentrated acids or bases. NEVER MIX acids to concentrated bases.

9 NEVER return unused reagents to stock bottles. – –Take only what you need. – –Consult your instructor for proper disposal of excess reagents and wastes !

10 NEVER work in the laboratory outside scheduled time without the instructor’s explicit permission. NEVER have visitors in the lab without the instructor’s prior permission.

11 DO memorize the location of eye washing facilities, showers, and fire extinguishers. DO memorize the location of eye washing facilities, showers, and fire extinguishers. DO report all injuries, including burns, to your instructor at once. DO report all injuries, including burns, to your instructor at once. The List of DO’S

12 DO READ label and directions carefully. It is excellent practice to: Read the label of a reagent bottle twice First, when REMOVING from the cart or dispensing area Second, before USING the reagent.

13 DO DO use the fume hood whenever poisonous or irritating fumes are involved. recognize that relatively harmless chemicals may be extremely dangerous if improperly mixed or handled.

14 DO wipe up minor spills and keep your desk-top neat, clean, and dry. DO wipe up minor spills and keep your desk-top neat, clean, and dry. DO report all chemical spills to your instructor. DO report all chemical spills to your instructor. DO exercise care at all times. DO exercise care at all times. Safety is your most important responsibility to yourself and neighbor.

15 Always clean up your lab station. Always clean up your lab station. Always wash your hands at the end of the lab period. Always wash your hands at the end of the lab period. When You are Done…

16 Always handle glassware and equipment with care. Students are required to return all equipment/supplies in the condition in which they were issued to them. Students are required to return all equipment/supplies in the condition in which they were issued to them. Otherwise, students will be held financially responsible for replacement of those items. Otherwise, students will be held financially responsible for replacement of those items. Save Your Money!