Chemical Hygiene Plan New Employee Training
Transcript of Chemical Hygiene Plan New Employee Training
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Chemical Hygiene Plan New Employee Training
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OSHA’s Laboratory Standard
The OSHA Laboratory Standard (issued 1990)
OSHA’s Occupational Exposure to Hazardous Chemicals inLaboratories standard (29 CFR 1910.1450), referred to as theLaboratory Standard, covers laboratories where chemicalmanipulation generally involves small amounts of a limitedvariety of chemicals. This standard applies to all hazardouschemicals meeting the definition of “laboratory use” and havingthe potential for worker exposure.
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General Principles
Minimize Exposure: Precautions for handling all laboratory chemicals should be adopted. The Permissible Exposure Limits of the Occupational Safety and Health Administration (OSHA) and the Threshold Limit Values of the American Conference of Governmental Industrial Hygienists shall not be exceeded.
Don’t under estimate risk: Even for substances with no known significant hazard, exposure should be minimized.
Control exposure: Substitute less toxic materials when practical. Prevent chemical vapors and mists escaping into the atmosphere by the use of hoods and other ventilation devices. Where other controls do not adequately control the hazard, wear appropriate personal protective equipment as a last resort.
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Laboratory Users Must….
Know, understand and follow the CMAVE Chemical Hygiene PlanAbide by SOPs (standard operating procedure) and current JHA (job hazard analysis)Report unsafe/unhealthy conditionsObey all caution/warning signs and orders to evacuate the buildingReport all injuries to your supervisorDo your part to keep CMAVE safe and secure
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Chemical Common Sense
Date new chemicals as they come inRecord date on the label when openedReplace torn, defaced or faded labelsLabel secondary containers using GHS labels
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One objective of the Laboratory Standard is forworkers to minimize risk to chemical hazards.
Name some ways we just discussed to accomplishthis.
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Hazard communication
Secondary labeling is required every time a chemical is transferred from its original container to another container, Secondary containers must include:Product NameHazardous ChemicalsAppropriate Hazard Warnings: words, pictures, symbols
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Hazard label: the minimum
Name of chemicalIdentify the hazard
Bleach Corrosive
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Chemical Storage
Separate groups by hazard class to minimize risk of unwanted chemical reactions
Store hazardous liquids below eye level
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Oxidizers
These chemicals provide a source of oxygen and will initiate or promote combustion
Gases: fluorine, chlorine, oxygen Liquids: hydrogen peroxide, nitric acid, perchloric acid Solids: nitrites, nitrates, perchlorates, peroxides
Oxidizers must be stored separately from other materials
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After transferring the flammable solvent hexane intoa secondary container, the minimum information thatmust be on the label is:
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Personal Protective Equipment
Routes of ExposureInhalation
Absorption through skin
Ingestion
Injection from glass shards, syringes, used razors
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Protecting your sight
Safety glasses are designed to protect your eyes from projectiles, not liquid splashesFor a potential splash hazard, wear safety goggles
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What a spill sees:
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Personal Protective Equipment, cont.
ANSI approved eye protection when potential of eye injury exists.Closed toe shoesLong pants or long skirt Lab coats when requiredGloves
Lab users and visitors must wear :
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Hygiene practicesGeneral Rules for Working With Chemicals
No eating or drinking in the labWash your hands before leaving the labDo not wear gloves outside the labDo not wear gloves when answering the phone or using a computerDo not wear your lab coat outside the labNever launder your lab coat at home
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You’re preparing to pour a corrosive liquid into afunnel. You know from experience that when the liquid hits the funnel, large droplets may splash upward and outward. Describe the PPE you will don to protect yourself.
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Ethidium bromide (suspected mutagen)
Requires a logbookthat documents weeklysurveillance of workspace, faucet handles, door knob.
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Know the Locations of Emergency Stations
Eyewash stationEmergency ShowerFire BlanketSpill Control KitFirst Aid KitFire Extinguisher/ Fire Alarm.AED Units
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Access to Safety Equipment
Always provide clear, unobstructed access to fire extinguishers and eyewash/shower stations
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Access to important controls
Keep clear access to electrical panels and other controls necessary in an emergency
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Refrigerators & FreezersOnly “explosion proof/ safe” refrigerators and freezers may be used to store flammables
Refrigerators/freezers that are not “explosion proof/ safe” must be labeled NO FLAMMABLES ALLOWED
Use refrigerator/freezers labeled for “CHEMICAL USE ONLY” or “FOOD USE ONLY” according to label
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Gas Cylinders must be properly secured
Good Not Good Crushed foot or worseChain too low! No restraint!
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Chemical Fume Hoods
Do not use fume hood for permanent chemical storageMaintain sash height at or below posted levelMinimize objects placed near the back to maintain hood efficiency Ideally, all lab doors should be closed to maintain the negative pressure of the laboratory
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Occupational Medical Surveillance Program
CMAVE has an Occupational Medical Surveillance program to monitor your health throughout your career. It is confidential, free and voluntary.