CWS Regulations, Safety & Professional Ethics 2

Question 1

Under the Safe Drinking Water Act (SDWA), which federal agency is primarily responsible for setting national drinking water standards?

Accepted Answer

EPA

Answer

The U.S. Environmental Protection Agency (EPA) establishes National Primary and Secondary Drinking Water Regulations under the SDWA.

Question 2

A CWS-certified specialist discovers a competitor is illegally dumping brine concentrate into a storm drain. What is the most ethically appropriate first action?

Accepted Answer

Report the violation to the appropriate regulatory authority

Answer

Professional ethics require reporting environmental violations to the appropriate regulatory authority to protect public health and the environment.

Question 3

Which OSHA standard is most relevant to water treatment specialists who handle hazardous chemicals such as chlorine or sodium hypochlorite?

Accepted Answer

Hazard Communication Standard (HCS / GHS)

Answer

OSHA's Hazard Communication Standard (29 CFR 1910.1200) requires chemical hazard information be communicated via Safety Data Sheets and labeling.

Question 4

What does the term 'Maximum Contaminant Level Goal' (MCLG) represent in EPA drinking water regulations?

Accepted Answer

The non-enforceable health-based target at which no known risk exists

Answer

MCLGs are non-enforceable public health goals set at levels where no known or anticipated adverse health effects occur.

Question 5

A technician is servicing a water softener that uses a salt storage tank. What safety precaution is most critical when working in a confined brine tank area?

Accepted Answer

Testing for oxygen deficiency before entry

Answer

Confined spaces can accumulate gases that displace oxygen, so atmospheric testing for oxygen deficiency is a critical safety step before entry.

(CWS) Certified Water Specialist Practice Test

(CWS) Certified Water Specialist Practice Test

CWS Regulations, Safety & Professional Ethics 2