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
Under the SDWA, what is the difference between a National Primary Drinking Water Regulation (NPDWR) and a National Secondary Drinking Water Regulation (NSDWR)?
Answer: NPDWRs are legally enforceable health standards; NSDWRs are non-enforceable guidelines for aesthetic qualities
NPDWRs set legally enforceable limits for contaminants that pose health risks, while NSDWRs are non-enforceable guidelines addressing taste, odor, color, and other aesthetic qualities.
A technician spills a significant quantity of muriatic acid (hydrochloric acid) used for resin cleaning. What is the correct immediate response?
Answer: Consult the SDS, evacuate the area if necessary, and follow emergency procedures including PPE use
The correct response to a chemical spill is to reference the SDS for specific procedures, ensure personal protection, evacuate if warranted, and follow proper emergency and disposal protocols.
What continuing education requirement is associated with maintaining the WQA CWS certification?
Answer: Certified professionals must earn continuing education credits (CEUs) during each renewal cycle
WQA requires CWS certificate holders to earn a specified number of continuing education units (CEUs) during each renewal period to maintain their certification.
Which of the following best describes the 'Lead and Copper Rule' and its relevance to water treatment professionals?
Answer: It requires public water systems to monitor and control lead and copper levels at customer taps through corrosion control treatment
The Lead and Copper Rule requires public water systems to monitor tap water for lead and copper, and if action levels are exceeded, implement corrosion control treatment to reduce leaching.
A homeowner asks a CWS professional to install a water treatment system that the professional believes will not adequately address the specific contamination present. What should the professional do?
Answer: Explain the limitations clearly, recommend a more appropriate solution, and document the conversation
Professional ethics require honest communication about product limitations and recommending appropriate solutions, even if the customer's initial choice is not optimal.
Under OSHA regulations, which document must be readily accessible to employees during their work shift when hazardous chemicals are present?
Answer: Safety Data Sheets (SDS) for all hazardous chemicals in the workplace
OSHA's Hazard Communication Standard requires that Safety Data Sheets for all hazardous chemicals be immediately accessible to employees during their work shifts.
What ethical principle requires a CWS professional to only perform services within their demonstrated area of knowledge and competence?
Answer: Scope of competence or professional competency
The principle of professional competency requires practitioners to work only within their area of demonstrated knowledge and to refer customers to qualified experts when a situation exceeds their expertise.