Practice Test Geeks(CWS) Certified Water Specialist Practice Test
← All CWS Flashcard Decks

Regulations, Safety & Professional Ethics Flashcards

7 cards from real CWS practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.

Read the first 7 Regulations, Safety & Professional Ethics flashcards as text

  1. Under NSF/ANSI Standard 60, what type of products are evaluated and certified?

    Answer: Drinking water treatment chemicals

    NSF/ANSI Standard 60 covers drinking water treatment chemicals to ensure they do not introduce harmful contaminants into treated water.

  2. A customer claims a newly installed reverse osmosis system has made them ill. What is the CWS professional's immediate ethical and safety obligation?

    Answer: Investigate the complaint promptly and take corrective action if necessary

    Professional ethics and public safety obligations require prompt investigation of health complaints and corrective action when warranted.

  3. In the context of water treatment, what does the acronym 'SDS' stand for and who must provide it?

    Answer: Safety Data Sheet, provided by the chemical manufacturer or importer

    Under OSHA's Hazard Communication Standard, chemical manufacturers or importers must provide Safety Data Sheets (SDS) detailing hazards, handling, and emergency procedures.

  4. Which EPA regulatory action requires public water systems to notify customers within 24 hours of a violation that poses an acute risk to public health?

    Answer: Tier 1 Public Notice

    Tier 1 Public Notice is required within 24 hours for violations that pose an immediate and acute risk to public health under the Public Notification Rule.

  5. A water softener technician is asked to bypass a lead pipe segment during service. What regulation most directly governs the acceptable lead content in new plumbing materials used in this repair?

    Answer: Safe Drinking Water Act Section 1417 (lead-free requirements)

    SDWA Section 1417 prohibits the use of plumbing materials that are not lead-free (not more than 0.25% weighted average lead content) in systems providing water for human consumption.

  6. What is the primary purpose of a backflow prevention device in a water treatment installation?

    Answer: To prevent contaminated water from flowing back into the potable water supply

    Backflow prevention devices protect the potable water supply from contamination caused by reverse flow of non-potable water or chemicals.

  7. Under WQA's code of ethics, how should a CWS professional handle customer information obtained during a service call?

    Answer: It must be kept confidential and used only for the purpose it was provided

    WQA's professional code of ethics requires that customer information be kept confidential and used only for its intended purpose.