Chmm practice test 2024 Study guides, Class notes & Summaries
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CHMM Practice Exam: Prepare for the Certified Hazardous Materials Manager exam administered by the Institute of Hazardous Materials Management (IHMM).
- Exam (elaborations) • 17 pages • 2023
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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 ...
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CHMM Final Exam Questions With 100% Correct Answers | Latest Update Graded A+ (2023/2024)
- Exam (elaborations) • 17 pages • 2023
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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 ...