Hazwoper Test Exam Questions And Answers Verified 100% Correct

Hazwoper Test Exam Questions And Answers Verified 100% Correct What is the one respirator for unknowns - ANSWER SCBA (self-contained breathing apparatus) Minimum grade of air needed - ANSWER Grade D What makes a complete level C ensemble - ANSWER Full level C gear and escape pack Varieties of escape packs - ANSWER 5, 10, 15 minutes Flash Point - ANSWER Lowest temperature at which a chemical produces sufficient vapor and when mixed with air the vapor/air mixture burns when exposed to an ignition source. 1% = 10,000ppm What kinds of burns are worse - ANSWER base burns 4 C's - ANSWER Condition Contents Closure Compatibility Physical Hazards - ANSWER -fire, explosion - -injury, hurt -Size up the load -Think of spills/leaks Boots - ANSWER PVC, Neoprene Booties - ANSWER PVS, Latex (go over the shoes) Level A - ANSWER Highest level of protection Highest for respiratory hazards For atmospheric hazards to the SCBA (Self-contained Breathing Apparatus) Level B - ANSWER Chemical hazards High skin and inhalation hazards Tape-up Not gas tight (modified) Level C - ANSWER Lowest level of chemical protection Complete level C ensemble: full level C gear and escape pack Level D - ANSWER Work clothes (hard hat, safety glasses/goggles, boots and gloves) Physical hazards Upper Explosive Limit (UEL) - ANSWER maximum concentration of vapor in the air above which a fire or explosion will not occur in the presence of an ignition sources (too much fuel and not enough O2) Lower Explosive Limit (LEL) - ANSWER Minimum concentration of vapors in the air necessary to have a fire or explosion, provided an ignition source is present Expressed in % What is the worst type of vehicle? - ANSWER Box trailer/truck that has a dangerous placard. Placard is red, white, red Has a mixed load (more than one hazard) Scope - ANSWER cleanup operations required at Federal, state, local, or other hazardous substances waste sites Corrective actions at Resource Conservation and Recovery Act (RCRA) sites Voluntary clean-up at waste sites recognized by Federal, state, local or other govt bodies Treatment storage and disposal facilities under RCRA How much supervised on the job training? - ANSWER 3 days or 24 hours Minimum toilet facilities for 20 or fewer workers - ANSWER 1 Minimum toilet facilities for 20-200 workers - ANSWER 1 toilet seat and 1 urinal per 40 employees Minumum toilet facilities for over 200 workers - ANSWER One toilet seat and one urinal per 50 employees Characteristics of waste - ANSWER Ignitable Reactive Corrosive Toxic ignitable - ANSWER Could catch on fire Reactive - ANSWER React Generate heat could explode or catch on fire