Download some of our Brochures:

Dairy & Food Testing

Pickle Bill (pH Testing)

Test your Water Lately?

Liquid Sucrose Test Kit


Let Commercial Testing Laboratory, Inc., of Colfax, Wisconsin, provide you with credible and accurate testing services.

Our Analytical Food and Environmental Testing Labs maintain the approved methodologies and produces reliable testing results that would help provide a positive impact on your business.

Here are just some of the services we provide:

Water Activity Testing Services (Call for pricing)

Food & Dairy Products Testing Services

- Salmonella
- Listeria
- C P Staph
- E.coli
- E.coli O157:H7

- Coliforms
- Yeast and Mold

- Fat
- Protein
- Ash
- Moisture
- Minerals, and more...

Environmental "Water" Testing Services

We test for:
- Coliform Bacteria
- Nitrate
- Iron
- Hardness
- pH
- Lead
- Copper
- Nitrite
- Arsenic
- Manganese
- Magnesium
- Calcium
- Fluoride ... Just to name a few of the testing services we offer...

|Fully certified by State of WI DNR (including SDWA)

Bacteriological Testing of Private and Public Drinking Water supplies

Environmental Water Testing and Plant Sanitation:

- Wastewater
- Groundwater
- Drinking Water
- and sludge


- Coliform
- Yeast & Mold also Air Monitoring Plates


Pickle Bill Brochure

Wisconsin Gov. Doyle signed the "Pickle Bill"
(Assembly Bill 229) into law February, 2010

Need easy to understand Answers
to Wisconsin's Pickle Bill

Information provided by: Dr. Barbara Ingham
Professor & Extension Specialist
University of Wisconsin-Madison

Contact our Lab regarding
pH testing services
Phone: 800-962-5227 or 715-962-3121

Check these sites for more good information
on the Wisconsin "Pickle Bill"

Testing Dried Meats, Jams, Jellies,
Pizza Crust and More!

Also, check-out our other Lab services:

Water Testing

Food Testing

Have questions or need one of our services?
Email us at

CTL Certifications
Colfax, Wisconsin - U.S.A.
Phone: (800) 962-5227 - (715) 962-3121 - Fax.: (715) 962-4030

All rights reserved
2010 CTL Incorporated