Hidden Danger in Industrial Mops

Interview Offering: Hidden Danger in Industrial Mops.


Dear Reader,

When we think of a mop, most likely we think of a kitchen.  Perhaps someone has spilled milk on the floor and Mom or Dad is cleaning it up.

It’s a pretty benign picture.

In industrial plants, however, it’s not milk but a possibly toxic blend of chemicals that are mopped off the floor and sometimes that hazardous residue ends up in our rivers and streams and municipal water systems. 

Many of these contaminants are linked to forms of cancer.

It’s an often overlooked hazard: many plants pay little attention to where their mop water goes or how it gets there.

Dan Theobald, an expert in water purification and conservation, says mop waste water may include not only the cleaners used in the  water but also the particulate matter on the floors from the production or the maintenance areas of a factory, hospital or steel mill etc.

Says Theobald: “The chemical makeup and volume of mop waste water as compared to the general waste stream requires explicit handling, storage, analysis and treatment before it is discharged into environmental waters.”

Theobald relates fascinating but frightening stories of what he has found in plant mop water, where the water went, and what is required to reform the system.

Sometimes, he says, reform is only a matter of a few simple changes in procedures.

To interview Dan Theobald please drop me a note or give me a call.

Thank You.


Richard Berman


Berman & Associates

Chappaqua, New York




Daniel L. Theobald of Environmental Services: 

Dan Theobald is the proprietor of Environmental Services. As a professional Wastewater and Safety Consultant/Trainer, Dan is known in the industry as “Wastewater Dan.” He has more than 24 years of hands-on experience in the industry operating many variants of wastewater treatment processing units. He is a trainer in Wastewater & Industrial Health & Safety topics and eager to share with others how to conserve water. Dan serves as an active consultant to a variety of industries, achieving and maintaining improved wastewater treatment at less cost. He is a Lifetime Member of the “Who’s Who Registry of Professionals” and holds numerous certifications from several wastewater management regulatory boards and professional organizations. Dan is currently the primary author of one chapter revising the Water Environment Federation’s (www.wef.org) Manual of Practice; a Wastewater Operator Technical Manual resource guide for Biological Nutrient Removal. Dan also authors an industry-related blog (https://thewastewaterwizardblog.com/).


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