Quality Control Refresher: Using Positive and Negative Cultures
Quality underlines every water test lab's credibility to customers and the public. In a recent
| Jun 17, 2025
Stay Compliant
Keep compliance regulations top of mind with these tips and best practices.
Energy-Efficient and Water-Wise Buildings Can Put Water Safety at Risk
Managers who strive to make energy-efficient and water-wise buildings still need to keep water safe for occupants. But that can …
Chain of Custody Basics for Water Labs
Proper chain of custody procedures are essential for any water lab seeking Environmental Protection Agency (EPA) Laboratory Certification for Drinking …
Data Integrity 101 for Water Labs: What You Need to Know
Data integrity is essential for water labs. Erroneous information resulting from poor practices can mean ineffective or delayed treatment, which …
Quality Control Charts 101
Quality control charts are essential for truly understanding the variations within water testing processes. Variations are a given, but there's …
Your Lab's Quality Assurance Plan: Essential Elements
Your lab's quality control (QC) and quality assurance (QA) plans are two foundational elements of ensuring your lab's reliability. While …
Gaining Clarity on EPA Water Matrices
Water matrices in the United States are defined by the Environmental Protection Agency (EPA) based on how that water gets …
Accounting for Measurement Uncertainty in Your Water Lab
Imagine your lab processes water samples for a municipality that conducts beach monitoring for Enterococci bacteria. Your technician runs the …
Water Sample Hold Times: Are They Right for the Test You're Performing?
Water sample test laboratories know that hold times are critical to ensuring compliance. In this refresher, we take a closer …
How to Create a Culture of Safety in Your Water Lab
According to the National Safety Council, each medically consulted workplace injury costs an average of $44,000, …
Preparing for Audits: What Water Laboratories Should Know
If your water laboratory is seeking Environmental Protection Agency (EPA) or state certification for analyzing drinking water samples, your laboratory …
Risk and Resilience for Community Water Systems
Recent cyberattacks on utilities have put risk in the spotlight for public agencies, with 56% of utilities reporting a shutdown …