Mountain West PEST  provides Colorado's Private and Commercial Pesticide Applicators with Colorado Department of Agriculture approved Continuing Education Credits both core and category.        Learn more.

The Worker Protection Standard (WPS) is a very complex regulation. Mountain West PEST provides Employer Compliance Assistance,  and Worker or Handler Training.                     Learn more. 

Colorado Department of Agriculture requires that all unlicensed pesticide technicians who work for Commercial, Limited Commercial, Public Applicators be verifiably trained yearly.               Learn more.

Mountain West PEST (Pesticide Education & Safety Training) offers in-depth, unbiased education for private and commercial pesticide applicators, technicians, handlers and workers.  Mountain West PEST provides a variety of pesticide safety education and safety training options.

Mountain West PEST is excited to launch live online core credit training via Zoom Webinars.  Live online webinars have also been developed and approved for category credit.  If your category is not listed, please contact MWPEST.

To select your workshop or webinar and begin the registration process please go to the MWPEST store on Square.  The full URL is

As COVID-19 continues to impact Colorado and the world, Mountain West Pesticide Education and Safety Training (MWPEST) is committed to doing our best to make proactive decisions to do our part to help stop the spread of the virus.

Your health, as well as public health, is our top priority so we will continue to closely monitor the situation and follow 
CDPHE guidelines.

About Mountain West PEST  

Mountain West PEST is pleased to offer private courses for small groups at your location.  Training preparation and delivery is time-consuming.  Outsourcing with Mountain West PEST is a cost-effective and sensible approach to meeting your training needs.  You can choose a training solution that matches your learning style and schedule.  It is important that these courses be arranged well in advance as the schedule fills up quickly.  Please call or email Sandra at 970-266-9573 or to schedule a course at your location!

Mountain West PEST was founded by Sandra McDonald in 2009.  Prior to establishing Mountain West PEST, Sandra was the Environmental and Pesticide Education Specialist at Colorado State University.  She worked for thirteen (13) years at Colorado State University where she was involved in specialty crop pesticide research in addition to her role as a pesticide safety educator.  Sandra also has extensive teaching experiences in pesticide safety, pesticide applicator exposure, pest management and pesticides in the environment.  She is an active member of the Western Society of Weed Science and the Rocky Mountain Agribusiness Association.  Sandra was the Organizing Chair of the Global Herbicide Resistance Challenge 2017.

Mountain West PEST organizes the Western Invasive Weed Short Course and the National Right-of-Way Applicator Workshop.