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Safety in the lab and the work place
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Addie, age 12 years. Working as a spinner in a textile mill. 1908.
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Safety and Child Labor 1918-Young mill worker-no machine guards
Too short to stand on the floor 11 yrs old-working 1 yr runs 4 machines Boys working in a lumber yard
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Safety Organizations O.S.H.A.: Occupational Safety Health Administration. A governmental organization. Sets and regulates rules and regulations for the public work sector. One area is the designation of safety colors. A.N.S.I.: American National Standards Institute A private organization responsible for setting standards in industry. One area is in safety, including safety colors and signs.
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SAFETY IN THE LAB Safety 1st
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SAFETY COLORS Overview
RED-DANGER, highest hazard level, electrical & fire ORANGE-WARNING, moving hazards YELLOW-CAUTION, non-moving hazards BLUE-INFORMATION, deals with people & property GREEN-MEDICAL & GENERAL SAFETY PURPLE-RADIATION exclusively, also black & yellow
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Safety Sign Headings Red Safety Signs: Danger
Orange Safety Signs: Warning Yellow Safety Signs: Caution Blue Safety Signs: Notice Green Safety Signs: Safety First, Think, Emergency, Be Careful
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TYPES OF SAFETY SIGNS Note: Not all safety signs are represented here.
OSHA (occupational, safety & health administration) ANSI (american national standards institute) Signs with only words are text signs. Signs with only pictures are graphic signs. Signs with text and pictures are combination signs.
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SAFETY WITH HAND TOOLS Be sure hands are free of dirt, grease & oil.
Use the proper type & size tool. Make sure tools are sharp, in good condition. Use sharp & pointed tools with care. Point sharp tools away from you & others. Wear eye protection. Pass tools handle first. Clamp small pieces. Report damaged tools. Thank-you is the code word when passing tools.
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SAFETY WITH POWER TOOLS
Get permission first. Check adjustments before using. Make sure no one is near when using. Stay away from others using machines. Honor the safety zone. ALWAYS wear eye protection. Start your own tool & stay until it stops. Keep guards on machines. Report improperly running machines. Cut power when oiling, adjusting & cleaning.
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POWER TOOL SAFETY CONTINUED
Coats off, long sleeves rolled up, remove loose jewelry, keep long hair away from operating tools, wear proper clothes, and closed toed shoes. Unplug with plugs not cords. Use common sense when using all tools.
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In the lab and the workplace
Fire safety In the lab and the workplace
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Fire Prevention Store flammable liquids in fireproof rooms or cabinets. Safety cabinets have spring loaded doors to prevent vapor escape. Store gasoline in a safety can or other approved containers. Wipe up all spills immediately.
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Types of Fire Type A – ORDINARY COMBUSTIBLES.
Wood, cloth, paper, rubber, many plastics, and other common materials that burn easily Extinguish with Class A fire extinguishing agent.
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Types of Fire TYPE B - FLAMMABLE LIQUIDS.
Gasoline, and other flammable liquids, oil, grease, tar, oil-based paint, lacquer and flammable gas. Extinguish with Class B fire extinguishing agent.
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Types of Fire TYPE - C: ELECTRICAL EQUIPMENT
Energized electrical equipment, including wiring, fuse boxes, circuit breakers, machinery and appliances. Extinguish with a Class C fire extinguishing agent.
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Types of Fire TYPE D - COMBUSTIBLE METALS
These are fires in such metals & metal dusts-often used in industry-as, magnesium, titanium, zirconium, lithium, potassium, and sodium. Extinguish with a Class D fire extinguishing agent.
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Fire Estinguishers A fire extinguisher is the first line of defense.
Extinguishers may contain liquid, gas, powder, or foam. Extinguishers are classified as A, B, C, D or K, or a combination of these. The heavier it is, the higher the rating and the more fire it will extinguish. Check the pressure gauge periodically to be sure the extinguisher is in working order.
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Fire Extinguishers Small disposable type of dry chemical extinguisher.
Typical ABC dry chemical extinguisher. Typical CO2 extinguisher…note the ‘horn’.
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Fire Extinguishers A 20lb. Cartridge-operated dry chemical extinguisher. An AFFF foam fire extinguisher. An American water extinguisher. A class D fire extinguisher.
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What’s inside a fire extinguisher?
Dry Chemical Ammonium Phosphate, Sodium Bicarbonate, Potassium Bicarbonate aka Purple K, Potassium Chloride, etc. Foams AFFF (aqueous film forming foam), AR-AFFF (alcohol resistant-aqueous film forming foams), FFFP (film forming fluoroprotein), etc. Water APW (air pressurized water) Water Mist Wet Chemicals & Water Additives Wet Chemical, Wetting Agents Detergent, Antifreeze Chemicals Clean Agents & Carbon Dioxide (Gases) CO2, Halon (banned), Halotron II, Class D Sodium Chloride (Super-D, Met-L-X), Copper Powder, Graphite based, sodium carbonate based, some water based suppressants, also available in bulk and can be applied with a scoop or shovel
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Fire Extinguishers KNOW THE PASSWORD! P = pull the pin
A = aim low at the base of the fire S = squeeze the handle S = sweep from side to side
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Fire Safety Fire Extinguishers
Fire Extinguisher Video Clips
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