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[EHS503] Which of the following about particulate matter is not correct?
They measure between 0.1 and 1.0 μm in diameter

[EHS503] Each time a water sample is collected in accordance with the procedures developed by the Federal Ministry of Health, Inspectors for drinking water quality conducts -------------
sanitary inspection

[EHS503] The present water quality monitoring status in Nigeria involves monitoring only groundwater once every year by each state’s water board using -----standards
FEPA

[EHS503] A-------- is any chemical or substance present or released or added into drinking water which is capable of being hazardous to health
Contaminant

[EHS503] A Community managed water system is----------
all the above

[EHS503] Which of the following about water is not correct?
is a non-renewable resource,

[EHS503] Protected on-site drinking water systems include all except
Mechanized borehole with distribution system

[EHS503] In a centralized drinking water system, one sample is collected per 2000 population per month for a population of------------
<5000

[EHS503] BOD means----------
biochemical oxygen demand

[EHS503] Water pollution control should focus on---------
A - C