Everyone

StudyToken

Jelly Bean

StudyToken Pro now available! For the price of a cup of coffee, enjoy ad-free content.

A beautiful quiz app to help you prepare for Water Operator Certification Exam. Simple and intuitive user interface. Quick and portable, on the go studying. No need for those heavy books or bulky note cards. No internet connection required. 

World Health Organization (WHO) guidelines are a general set of standards intended to apply where better local standards are not implemented. More rigorous standards apply across Europe, the USA and in most other developed countries. followed throughout the world for drinking water quality requirements.

The Safe Drinking Water Act requires the U.S. Environmental Protection Agency (EPA) to set standards for drinking water quality in public water systems (entities that provide water for human consumption to at least 25 people for at least 60 days a year). Enforcement of the standards is mostly carried out by state health agencies. States may set standards that are more stringent than the federal standards.

Note: Questions are scrollable. Please let us know if there is an issue. We are always constantly updating the questions.

Disclaimer:
This application is just an excellent tool for self-study and exam preparation. It's not affiliated with or endorsed by any testing organization, certificate, test name or trademark.


Water Treatment Exam StudyToken

Последняя версия Water Treatment Exam StudyToken

Другие версии