Chmm practice test Study guides, Class notes & Summaries

CHMM Practice Exam: Prepare for the Certified Hazardous Materials Manager exam administered by the Institute of Hazardous Materials Management (IHMM). When polonium (atomic mass 210 & atomic number 84) emits an alpha particle, which of the following decay products results? a. Bismuth (atomic mass 209 & atomic number 83) b. Lead (atomic mass 206 & atomic number 82) c. Thallium (atomic mass 204 & atomic number 81) d. Mercury (atomic mass 201 & atomic number 80) Atomic Mass is: a. the ...

Which of the following is not regulated by EPA as an environmentally toxic metal? a. arsenic b. lead c. cadmium d. iron - Answer d. iron Which of the following chemicals is heavier than air? Chemical Name Vapor Density a. Methane 0.55 b. Carbon Monoxide 0.97 c. Nitrogen 0.97 d. Propane 1.52 - Answer d. Propane 1.52 Which federal statute regulates both stationary and mobile pollutant sources? a. TSCA b. CAA c. CWA d. SDWA - Answer b. CAA (Clean Air Act) In mg/m3, what is equivalen...

CHMM Final Exam Questions With 100% Correct Answers | Latest Update Graded A+ (2023/2024). Cobalt-60 has a 5 year half life. If the initial activity of a Cobalt-60 source is 20 mCi, what is the activity after 10 years in mCi? a. 5 b. 0 c. 2 d. 10 - Answer a. 5 The exposure rate at a distance of 1 foot from a radioactive source is 20 rnR/hr. What is the exposure rate in mR/hr. at 10 feet? a. 0.1 b. 0.2 c. 0.3 d. 0.4 - Answer b. 0.2 Which of the following is not regulated by EPA as an ...