At ALS-Truesdail our primary concern is the quality of data we produce. ALS’s Quality Program is designed to have documented, proven laboratory practices that are followed to achieve accurate and reliable analytical results. These results are often independently verified as part of proficiency testing through our multiple accreditations including CA ELAP and ISO/IEC 17025. For more information on ALS’s Environmental Lab Quality Assurance visit our Internal QA and External QA pages.


Our experienced scientific staff and state-of-the-art equipment gives the accurate data you need. We have decades of experience with testing soil, drinking water, storm water, wastewater, and hazardous waste. Our project management staff is knowledgeable and goes above and beyond in determining how Truesdail’s analytical services can help you. A basic outline of our scope of testing services is below. If you’re unsure about what you need or cannot find it here please, contact us. Truesdail has highly experienced and educated staff that can assist you.


Truesdail maintains our a 7-day turnaround time of 98% or higher which means you can rely on Truesdail to get your project done accurately and in the agreed upon time span. Our modern facility, designed in 2015 makes our analysts to be efficient with modern lab practices. This efficiency gives Truesdail the ability to accommodate rush samples, making sure your tight deadline project is managed to your specifications.

You can take a virtual tour of our new facility here.

Scope of Services

We provide easy access to routine or specialized laboratory testing services in the areas of organic, inorganic, and microbiological analyses. Our team of dedicated Ph.D.-, M.Sc.-, and B.Sc. level chemists and biologists can tackle all of your analytical challenges. Below are the services we routinely offer.