Wastewater operator continuing education

Welding and Hot Work: The Fume You Did Not Choose

Training certificate — Rhode Island requires no renewal hours

Welding and hot work can create invisible fumes and gases like ozone or phosgene that put workers at risk and cause safety problems at the plant. This hour shows how to spot these hazards, handle gases safely, and follow proper ventilation and fire-watch steps.

Course summary, as it appears on your certificate

To equip wastewater operators with critical knowledge and practical skills to recognize, assess, and mitigate chemical and fume hazards specifically related to welding and hot work tasks at wastewater treatment plants, emphasizing hazard sources often overlooked and regulatory compliance for safe operations.

Level 1 — what it is and why — the foundations, for operators new to the subject or wanting a refresher

Credit awarded: 1 hour — Safety

The Rhode Island course number is issued by the Agency for this course and is printed on your certificate.

Reviewed by: Robert Risley, Class 1 Wastewater Operator — reviewed October 2026

AquaCert does not mark its own homework: a licensed operator reviews the content and the course cannot be sold while that review is out of date.

One hour of study is one hour of credit. Your certificate reports the hours, which is what Rhode Island records against your renewal.


What's included

  • Self-paced online coursework you can start, pause, and resume anytime
  • Short questions along the way, and a short final quiz to pass for your certificate (retake it as often as you need)
  • An official certificate of completion (PDF) with a public verification code
  • Progress saved to your My Learning dashboard
$19.00 USD

One-time payment · lifetime access to this course

About 72 minutes of video · 1 hour

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Full refund within 7 days if you have not completed the course — refund policy.

Training a team? Buy seats for your operators — card or purchase order, with a completion record you can export.

Can your plant pay? See how, with a request to print for your supervisor.