HHPS WHMIS. Rules MSDS Hazard Codes Systems. Biology based. Chemistry based. Safety Symbols. Safety in the Lab. Lab Equipment
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1 Safety Symbols HHPS WHMIS Safety in the Lab Rules MSDS Hazard Codes Systems Lab Equipment Chemistry based Biology based
2 Safety Symbols We will be discussing two types of Information Systems Hazardous Household Product Symbols (HHPS) Workplace Hazardous Materials Information System Symbol (WHMIS)
3 Hazardous Household Product Symbols (HHPS) Warning symbols that appear on a number of products that commonly appear in most households These symbols were developed to indicate exactly why and to what degree a product is dangerous. Caution Frame Danger Frame
4 Workplace Hazardous Information System Symbols (WHMIS) Developed to standardize the labelling of dangerous materials used in all workplaces, including schools.
5 Safety in the Laboratory Certain safety hazards exist in a lab; you should know about them and take the necessary precautions to reduce the risk of an accident. Being safe in a lab combines common sense and the skill of foresight to consider the worst case scenario
6 Safety in the Laboratory cont... Preventing Accidents - Most accidents occur because of carelessness Key Concepts to remember: Apply appropriate pressure to glass equipment Handle hot equipment carefully Measure and mix chemicals correctly Work in a clean organized lab space Pay attention to instructions and focus only on the work at your station
7 Safety in the Laboratory cont... Before you start - Most accidents occur because of carelessness Key Concepts to remember: Learn the location of the safety equipment available to you (ie. First aid kit, Fire blanket/extinguisher, gas safety shut off, fire alarm, eye wash station, etc.) Inform your teacher of any health and physical impairments you have. Read procedures and prepare for the lab carefully before lab day. Clear the lab bench of all materials except those needed for the investigation. Wear appropriate clothing and protective gear (ie. Goggles, closed toed shoes, tie hair back, no loose clothing, no jewellery, no eye contacts when possible) Secure supplies and equipment away from bench ledge.
8 Safety in the Laboratory cont... Working with chemicals- Most accidents occur because of carelessness Key Concepts to remember: do not taste, touch or smell materials unless directed to do so No gum, drinks, or food in the laboratory Know the MSDS information for the chemicals used in the lab Label all sample containers prior to going to stock bottle station Double check labels whenever removing chemicals from stock bottles If skin or eyes come in contact with chemicals immediately wash with copious amounts of water for 15 minutes and have partner inform the teacher. Never put your nose close to a chemical; wash your hands before and after labs Handle chemicals carefully; never hold equipment you are pouring into.
9 Safety in the Laboratory cont... Lab Rules: Most accidents occur because of carelessness 1. Never work alone; the lab is a place for strictly serious work 2. Study procedure before lab day; if in doubt of actions ask the teacher 3. Safety goggles must be worn at all times during pre/post and during lab work 4. Contact lenses should not be worn even with goggles 5. Long hair must be tied back 6. Report any accidents, injuries, incorrect procedures, or damaged equipment immediately to the teacher 7. Handle chemicals carefully; check labels of stock bottles several times before removing the contents 8. Do not return unused chemicals to stock bottles
10 Safety in the Laboratory cont... Lab Rules: Most accidents occur because of carelessness 9. Do not take stock bottles to lab bench; take small amounts to limit excess amounts to limit excess 10. Do not insert pipettes into stock bottles; place chemicals in glassware in glassware 11. Immediately inform the teacher of any spills or accidents while one partner while one partner secures the area. 12. Keep combustible material away from open flames (ie. Chemicals, paper, etc) Chemicals, paper, etc) 13. When heating material in a test tube be sure never to point the opening at your point the opening at your peers or yourself or place your face above the opening of face above the opening of the tube
11 Safety in the Laboratory cont... Lab Rules: Most accidents occur because of carelessness 16. Know the correct procedure for preparing acid solutions. ALWAYS ad the acid slowly to the water (A to W) 17. Keep the balance and scale area clean. Never weigh chemicals directly on the pan of the balance or scale. 18. Do not heat graduated cylinders, burettes, pipettes, or any plastic-ware with a lab/bunsen burner. 19. After completing an experiment, properly clean and put away your lab equipment. Clean your work area of any paper, drying materials, etc., wipe up your lab station, and clean out your sink. Make sure the gas and water are turned off. Wash your hands with soap and water before you leave the lab.
12 Safety in the Laboratory cont... Material Safety Data Sheets (MSDS): In Canada, manufacturers of all hazardous products used in workplaces, including schools, must provide information sheets about their products. WHMIS sheets identify the chemical and physical hazards associated with each substance. It includes physical data such as melting point and boiling point, toxicity, health effects, first aid, & spill and leak cleanup procedures. WHMIS regulations require employers to make these sheets available to employees who use hazardous substances in their work.
13 Safety in the Laboratory cont... Material Safety Data Sheets (MSDS): Acetic Acid MSDS
14 Safety in the Laboratory cont... Hazard Code System: Red = Flammability Blue = Health Yellow = Reactivity White = Special 4 Severe 3 Serious 2 Dangerous 1 Minor 0 Slight
15 Laboratory Equipment: Chemistry based Beaker tongs Crucible tongs Test-tube holder Pipette Glass stirring rod Thermometer Test tube Graduated cylinder Beaker Erlenmeyer flask Overflow can Funnel
16 Laboratory Equipment: Chemistry based Watch glass Test tube rack Spot plate Evaporating dish Crucible Mortar & Pestle Filter paper Rubber stopper Cork stopper Triple-beam balance Electronic Scale Hot plate
17 Laboratory Equipment: Chemistry based Bunsen burner Metal Ring clamp Test tube clamp Metal Gauze Ceramic triangle Ring stand. Rubber tubing Buret clamp Buret clamp 2 Buret Wash bottle Volumetric flask
18 Laboratory Equipment: Chemistry based ph paper ph paper 2 Clamp holder Safety Goggles Safety goggles 2 Forceps scoopula Test tube brush Flask brush Beaker brush Striker
19 Laboratory Equipment: Biology based Microscope Petri dish Glass slide Cover slip scalpel Dissecting scissors Forceps Pipette Mal probe T pins Dissection pan
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