PUBH6034 Module 4 Quiz 2020
Question 1
Metals present in municipal wastewater may still be present in treated sewage sludge;
__________.
cause damage to the municipal works
interfere with coagulation and flocculation
kill bacteria used in wastewater treatment
a and c but not b
all of the above
Question 2
Historically, the use of chlorine bleach has made the pulp and paper industry an important
source of __________ contamination.
dioxin
chromium
polychlorinated biphenyls (PCBs)
Question 3
Chlorination of drinking water is highly effective at killing __________.
bacteria
protozoa
viruses
all of the above
Question 4
Some likely human health impacts of polybrominated diphenyl ethers (PBDEs) are suggested
by their chemical structure, which is similar to that of _______________.
Question 1
Metals present in municipal wastewater may still be present in treated sewage sludge;
__________.
cause damage to the municipal works
interfere with coagulation and flocculation
kill bacteria used in wastewater treatment
a and c but not b
all of the above
Question 2
Historically, the use of chlorine bleach has made the pulp and paper industry an important
source of __________ contamination.
dioxin
chromium
polychlorinated biphenyls (PCBs)
Question 3
Chlorination of drinking water is highly effective at killing __________.
bacteria
protozoa
viruses
all of the above
Question 4
Some likely human health impacts of polybrominated diphenyl ethers (PBDEs) are suggested
by their chemical structure, which is similar to that of _______________.
