UND 362 safety
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| What are the 4 govt. agencies responsible for safety | OSHA, CAP (college of am. pathols', CLIA (Clinical lab improv. amendments, JHACO (joint commision for accreditaion of health care org.)
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| What 4 fed. Laws govern safety | DOT, OSHA, EPA, NRC (nuclear regulatory commission)
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| The hazard communication standard is? | "employees given all info they need" to be safe
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| The four colors of the NFPA chemical label are and each indicates what | Blue (left), Red (top), Yellow (right), White (bottom) blue/health, red/flammability, yellow/reactivity, white/specific info or hazard
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| On chemical labels the higher the number indicates? | a more extreme situation.
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| NFPA stands for what? | National fire prevention association
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| The fire triangle consists of what 4 items | Air, heat, fuel, fire (chem. reaction)
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| How many classes of fire are there and what are each | 5 (A-D & K) A=standard materials (ie paper), B= liquid (gases/liquids), C=electrical, D=metals (lithium magnesuim) K=vege oil
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| What are the 4 classes of fire extinquishers and what does each work on | A=water based (used on class A fires), B=CO2 (used on class B&C fires {gases & electrical})C=dry chem (used on various fires), D=powder media
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| How does each class of fire ext. function to put out fire? | A= takes away heat (can't be used on flammable liquid or electrical) B=takes away 02 and is cold, C=coats fire with dust to remove 02.
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| What do RACE and PASS stand for when dealing with fire | Rescue, Alert, Confine, Extinguish
Pull, Aim, Squeeze, Sweep
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| What are the functions of MSDS sheets | protect and inform (toxicity, health affects, spill procedures, etc)
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| What are the some of the requirements in an MSDS sheet | identity, properties, physical hazard, health hazard, carcinogenecity, exposure limits, safe use, control measures, emergency info, date prepared
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| name some hazard determiners | flammable, corrosive, reactive (characteristics
ingestion, absorption, inhalation (body access)
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| Define toxic dose | poisoning by exposure, mouth or contact (NOT inhalation)
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| Define Toxic Concentration | poisonining via INHALATION
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| Define Lethal dose | Dose with single exposure that will kill human or animal (Not inhalation)
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| define LD50 | dose (oral/contact) that will kill 50% of a group
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| define LC50 | inhalation that will kill 50% of a group (usually in 1hr time period)
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| Name some toxins in the lab | xylene, toluene, formalin, mercury, silver, carcinogens
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| Is it correct to add water to acid or acid to water | ALWAYS ADD ACID TO WATER
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| a corrosive can be an _______ or a _______ and will visibly _________ living tissue | acid, base, destroy (flush with water if exposed
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| an exposion can be defined as | sudden generation of heat/combustion with a volume larger than the original substance
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| a written plan (for safety) consists of (4) | identity of chems, msds, labeling plan, training
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| training for the ("right to know") includes | chem. name and common name, location, handling, first aid for, adverse effects, cleanup, flammability (etc. characteristics)
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| the empoyees rights and responsibilities pertaining to "right to know" include | right-list of substances, msds, "right to instruction", protection
responsibilities-maintain work env, observe precautions, use PPE
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| An employer must (for right to know) (4) | give info w/in 30 days, provide info, educate and train, maintain records
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| The occupation exposure to hazard chems in lab is also know as the " " | laboratory standard
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| what is the goal of the laboratory standard | handling, storage, and disposal of chems
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| what are the 9 facators for the lab standard | scope and application, defs and terms, PEL, chem. hygene plan, employee training, med. consult, hazard ID, respirator reqs. record keeping
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| PEL stands for | permissible exposure limit
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| a chemical hygene plan will do what | plan to keep chems below limits that would harm employees
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| Record keeping on an employee for the laboratory standara lasts for how long | time of hire plus 30 years
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| give 6 proper ways of dealing with acids/bases | 1. keep at eye level, don't store reactable chems together, keep min. quantity in lab, labeled, away from heat, not in fridge
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| What are the timeframes concerning PEL and STEL | Permissible exposure limit is 8 hrs
Short Term Exposure limit is 15 min (w/o adverse effects)
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| What does TWA stand for and define it | Timed Weight Average - average of exposure over an 8 hr period
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| If a chemical is spilled how many sq. ft does 1gal =? | 20
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| what is the protocol if a chem spill occurs | notify mgr, evacuate, if flammable turn off heat, contain as appropriate, notify chem. officer, use ppe, clean up if ok'd by safety officer.
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| Standard neutralizers for acid and bases are? | sodium bicarb (to ph greater than 3 then flush down drain), 1N HCL and mop up with towels
-or use spill kits (large spills over 100 mls need to be dealt with by spill team)
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| What is the PEL, STEL and TWA for the formaldehyde standard | PEL = .75 ppm, STEL = 2.0 ppm/15min, TWA less or = to is normal/above .5 requires medical survellaince program
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| What is the action level for the formaldehyde standard | .5ppm over 8hr TWA
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| what are the standard blood borne pathogens in the lab | TB, Hep B/C, HIV
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| Infection waste is defined by blood borne path standard as | liquid or semi liquid/cacked on blood, contamination that will release when compressed, contaminated sharps
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| name 7 infection materials | FS, blood, autopsy, CSF/amniotic, sexual secretions, synoivial fluid, cytology fluid
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| what is the definition of universal precautions | treat all as infectious
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| what are 3 standard housekeep procedures for blood borne pathogend | 10% bleach, orange bags (autoclaved), red bags (get other treatment methods)
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| TB is spread how | spread person to person in air, but can be in lavage (ie bronch washings, urine, csf, sputum, FS)
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| What are the typical preventions for pathogens in the lab | universal precautions, bio safety cabinets, caps in centrifuge, decontaminate, wash hands PPE
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| Bio safety cabinetes employ what filters and work how | hepa filters, use airflow to keep infections w/in the hood
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| what are the 3 classes of bio cabinets | class 1 (micro hood)
class 2 (personal with specific training)
class 3 (research on exotics)
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| define ergonomics | fitting job task to the person performing job
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