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What blood lead levels does CDC recommend getting checked at? CORRECT ANSWER: 5 ug/dl Tn children, what is the blood lead level associated with decreased intellectual performance and other adverse health events? CORRECT ANSWER: more than 5 ug/dl Vent gasses combined with high moisture inside a chimney will form what? CORRECT ANSWER: sulfuric acid Lead poisoning is commonly associated with children living in homes built before what year? CORRECT ANSWER: 1978 Houses built before 1978 cause in increase in what disease? CORRECT ANSWER: lead poisoning What is the concentration of radon from EPA's action level’? CORRECT ANSWER: 4 picocuries per liter (4pCi/L) What four characteristics are used to classify hazardous materials? CORRECT ANSWER? toxicity, corrosivity, ignitability, and reactivity what is NOT a characteristic of hazardous materials? CORRECT ANSWER: lethality When there is a truck wreck, what hazardous information is provided/required? CORRECT ANSWER: always carry MSDS, vehicle marked indicating hazardous materials, procedures informed on sign. What is NOT considered a hazardous waste? (CORRECT ANSWER? autoclaved serum An REHS receives a call about a hazardous 55 gallon container...what should be done first? CORRECT ead info off label Who inspects and approves respirators? CORRECT ANSWER: NIOSH (National Insitute for occupational safety and health) What kind of respirator is needed in an environment consisting of 15% oxygen? CORRECT ANSWER: One that pumps oxygen into the mask? What should an REHS look for when inspecting bio-medical wastes? CORRECT ANSWER: sharps container and red bags What industry uses trichloroethylene? CORRECT ANSWER: dry cleaning What is in crankcase oil? CORRECT ANSWER: heavy metals and additives Why are personal monitors better than area monitors? CORRECT ANSWER: mote accurate for exposure 
