EXAM
How many Training Hours and experience for a class D Water
Operator - ANSWERS-16 Hours Training and No Experience
How many Training Hours and experience for a class C Water
Operator - ANSWERS-36 Hours Training and 1 year Experience
How many Training Hours and experience for a class B Water
Operator - ANSWERS-100 Hours Training and 3 years Experience
(must include 1 year of hands on experience)
How many Training Hours and experience for a class A Water
Operator - ANSWERS-200 Hours Training and 5 years Experience
(must include 2 years of hands on experience)
How many Training Hours and experience for a Class C Lab Operator
- ANSWERS-32 Hours and no experience
How many Training Hours and experience for a Class B Lab Operator
- ANSWERS-32 hours of C and 32 hours of B and 6 months
experience. ***associate in science can substitute 32hrs of C level
training
,How many Training Hours and experience for a Class A Lab Operator
- ANSWERS-32 hours of B and 1 year experience. ***Must include a
Bachelor in science
How many Training Hours and experience for a Class C Distribution
Operator - ANSWERS-36hours and 1 year experience
How many Training Hours and experience for a Distribution
Technician - ANSWERS-8 hours and no training.
Community Water System - ANSWERS-A public water supply that
has at least 15 service connections or serves 25 or more persons on a
regular basis
Primary Contaminants - ANSWERS-Contaminants identifies by the
EPA as harmful to umal health
Maximum Containment Level (MCL) - ANSWERS-The level in
which contaminants must not exceed or public notification is
required.
Cryptosporidium - ANSWERS-A microsocpic parasite that can be
found in water. It produces cysts that are very resistant to harsh
environmental conditions. It is responsible for intestinal illness called
cryptosporidiosis. Symptoms include diarrhea, cramps, gas, bodily
discomfort, fatigue, and weight loss. Occurs one week after exposure
and can last for 1-4 weeks
, Disinfection Profiling - ANSWERS-A water system assesses the level
of disinfection currently provided and then determines the impact a
proposed change in disinfection practice would have.
E. coli - ANSWERS-A bacterium that is commonly used as an
indicator of human health risk from harmful micro organisms that can
be present in water. Symptoms include sever cramps and diarrhea.
Blood is often seen in the stool. Symptoms begin 1-9 days after
exposure and last a week or less.
Giardia - ANSWERS-A microscopic parasite that can be found in
water. It produces cysts that are resistant to harsh environmental
conditions. Giardia causes intestinal illness called giardiasis.
Symptoms simular to cryptosporidiosis. Vomition, chills, headache
and fever may also occur. Symptoms begin one week after exposure
and can last up to a month.
Hard Water - ANSWERS-A characteristic of water caused mainly by
the salts of calcium (Ca++) and magnesium (Mg++). Undesirable due
to formation of soap curds, increase use of soap, and scale deposits in
boilers and water heaters. Defines as having hardness of 100mg/L or
greater
Maximum Residual Disinfectant Level (MDRLs) - ANSWERS-The
highest level of disinfectant allowed in drinking water. Standards set
by the US EPA
Microbial Pathogens - ANSWERS-Micro-organisms that cause
disease