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Our field engineers are among the most experienced in the boiler and cooling water chemical treatment industry. SEL specialists are able to provide recommendations that maximize system reliability and efficiency at an economical cost.                                    

Southeastern's staff of highly qualified professionals are prepared to provide your company with the products and technologies you need to stay in compliance and maintain an image of environmental responsibility.                                  

SEL's group of field technical support speciallists average 20+ years of experience in the water treatment industry.  This knowledge is supplemented by our extensive involvement with associations such as AWT, CTI, ASHRAE, NACE, and ASHE.                                    

SEL is a Proactive Partner with clients when it comes to Legionella Expertise and Legionella management programs. We can provide the needed assistance to help develop your systematic, economical and compliant Legionella management plan.                                  


January 25, 2016 - William E. (Bill) Pearson, II presents, "ASHRAE Standard 188-2015 - Successfully Managing the Risk of Legeionellosis" at the ASHRAE Winter Conference in Orlando, FL. * click for more information *

May 18, 2016 - Southeastern Laboratories has released new information which outlines offerings through our affiliation with Special Pathogens Laboratory to assure builiding manager's compliance with the new ANSI/ASHRAE 188-2015 standard.  * click for more information *

SEL Presents at  ASHRAE Winter Conference


Southeastern Laboratories announces that William E. (Bill) Pearson efffective March 31, 2016 has retired from Southeastern Laboratories, Inc. after 40+ years of service. Mr. Pearson had served as our V.P. Sales and Technical Sevices for the past several years.  We wish him well in retirement and thank him for his years of  dedication to Southeastern and the water treament profession.  

SEL Announces Retirement of William E. Pearson, III

SEL Names V.P. of Field Operations

Southeastern Laboratories has named Charles S. (Steve) Chewning as its V.P. of Field Operations effective March 31,  2016.  He will remain District Manager of the NC Eastern district.  Steve joined SEL in 1986 and is an owner of SEL.


Environmental protection is at the core of what we do. From technologies that improve the operating efficiency of industrial equipment to water reuse and minimization programs, we’re constantly working to find new ways to incorporate green water treatment programs at our customer’s facilities.


Now, with the introduction of ProMoss to SEL's program offerings, we can offer an alternative to chemical treatment using only a naturally produced renewable product.

September 8, 2016 - Southeastern Laboratories has contracted with Creative Water Solutions to implement "green" water treatment programs using their ProMoss product.  ProMoss represents a proven Green alternative to chemical treatment over a broad range of applications including cooling water, process water, wastewater and now potable water.  * click for more information *

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