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Home » Authors » Duane Grassmann

Duane Grassmann

Duane Grassmann is a corporate hygienist, Nestlé USA & Canada.

Articles

ARTICLES

Sanitation

Sanitation Success Rests on a Three-Legged Stool

Sanitation success is a prerequisite to food safety and quality and rests on three "legs": people, programs, and hygienic design and maintenance
Duane Grassmann
August 15, 2022

Sanitation success relies on people, programs, and hygienic design/maintenance. These three groups are characterized by interrelationships that are not always fully considered; however, examining them helps improve investigations of sanitation failures.


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Pest Control

Integrated Pest Management in Food Manufacturing Facilities

Duane Grassmann
February 26, 2021

There are significant differences between “pest control” and “integrated pest management” for your food safety program.



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The Top 10 Reasons Why I Couldn’t Keep Sanitation People

Duane Grassmann
June 24, 2020
Excessive sanitation department turnover is hard on everybody.
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Hygienic Zoning in Food Manufacturing Factories

Duane Grassmann
October 17, 2019
The design of a robust hygienic zoning program is the result of a thorough risk assessment.
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Validation, Verification, and Monitoring of Cleaning in Food Processing Factories

Duane Grassmann
February 20, 2019
Performing cleaning verification, monitoring, and validation will be difficult at best without control of the cleaning process.
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Events

November 17, 2026

Are You Getting the Most from Your Food Safety Testing?

Live: November 17, 2026 at 11:00 am EST: Attend this webinar to explore practical ways food processors can modernize sanitation verification and microbiological testing while keeping workflows simple and effective.

December 2, 2026

Beyond Surface Clean: Tackling Biofilms and Persistent Pathogens

Live: December 2, 2026 at 11:00 am EST: Attend this webinar to understand why chlorine dioxide is not chlorine, and what “ultra-pure” means for residues, byproducts, and effectiveness.

December 3, 2026

How to Use AI to Improve Workforce Training

Live: December 3, 2026 at 11:00 am EST: This webinar will cover best practices for reviewing, refining, and governing AI-generated training content for accuracy and consistency.

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