Rehs exam qa 2023 - Study guides, Class notes & Summaries
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REHS Exam Q&A 2023
- Exam (elaborations) • 59 pages • 2023
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Which of the following organisms are most resistant to unfavorable environmental conditions and indicate past of possibly intermittent pollution? 
 
a. fecal streptococci 
b. eschericha coli 
c. aerobacter aerogenes 
d. clostridium sporulates - Answer- clostridium sporulates 
 
The presence of which of the following is most easily identified by laboratory analysis in water contaminated by feces? 
 
a. shigella dysenteriae 
b. coliform 
c. entamoeba histolytica 
d. salmonella typhosa - Answer- co...
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