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Testing for Coliforms and E. coli: Troubleshooting, Insights, and Real-World Solutions

Overview
Start date: Thursday, November 12, 2026
Start time: 1:00 PM EST
Duration: 60 minutes

Building on the topics covered in Part 1, Shawn Dubois returns with Valerie Neuhausser to tackle common testing challenges and answer questions submitted by customers and webinar attendees.

From interpreting results and optimizing workflows to avoiding common mistakes and improving consistency, this interactive session will provide practical solutions you can apply in your lab right away.

Shawn and Val will share real-world examples, troubleshooting tips, and expert recommendations for testing with Colilert, Colilert-18, Colisure, and Tecta.

Come prepared with questions. We'll reserve time throughout the session for live discussion and Q&A.

Can’t attend live? Register for the webinar and we’ll send you a link to the recording so you can watch it at your convenience.

Speakers

Shawn Dubois

Supplier Quality Manager

IDEXX

Shawn has a BA in biology and a BS in environmental science with a concentration in marine biology and marine ecology. Shawn has been part of the water business for more than 20 years, working in research and development and in his current role as Supplier Quality Manager.

Valerie Neuhausser

Scientist

IDEXX Water

Valerie has a BS in biology and environmental science and is a Scientist on the IDEXX Water team’s Product Support group.