Gulf Coast Testing's Certification Program provides certification for residential wastewater treatment units and associated wastewater equipment according to the requirements of NSF/ANSI Standard 40, NSF/ANSI Standard 46, NSF/ANSI Standard 245, NSF/ANSI Standard 350 and NSF/ANSI Standard 385. Gulf Coast Testing, LLC is accredited by ANAB (ANSI National Accreditation Board) as a product certification body.
Services offered
- Certification of new units
- Certification of equipment for units
- Continuing compliance for units previously tested
- Engineering evaluations for units previously tested
Each standard's criteria document sets out what the Standard requires and how GCT evaluates it. Units listed as Certified by Gulf Coast Testing comply with all requirements of the referenced standard and display the Gulf Coast Testing Mark as proof of certification.
NSF/ANSI Standard 40
Residential Wastewater Treatment Systems
For residential systems rated 400 to 1,500 gallons per day that treat household sewage to a defined effluent quality. Systems are classified Class I or Class II after six months of performance testing.
NSF/ANSI Standard 46
Wastewater Treatment Components and Devices
For components and devices used with a wastewater treatment system that no other wastewater standard covers. GCT certifies chlorine dispensers and chlorine products to it.
NSF/ANSI Standard 245
Wastewater Treatment Systems, Nitrogen Reduction
For residential systems that claim to reduce nitrogen. The system is tested over six months, and the nitrogen in the effluent is compared with the nitrogen in the influent.
NSF/ANSI Standard 350
Onsite Water Reuse Treatment Systems
For systems whose treated water will be used again, such as for toilet flushing or irrigation. GCT performs the Class R (single-family residential) evaluation.
NSF/ANSI Standard 385
Wastewater Disinfection Devices
For devices that disinfect already-treated wastewater, covering both chlorine and ultraviolet disinfection devices.
In addition to the Application for Certification, the following documents are used by GCT in the certification process.
Application for Certification
The application that starts the certification process for one or more of your company's models.
Contract for Standard Performance Evaluation
The agreement covering the evaluation, its fees and the annual compliance audit.
Test Installation/
Records the installation, any adjustment and the removal of the unit at the GCT test site.
In-Plant Audit Form
Used for the initial and annual compliance audits of the manufacturing facility.
Equipment Evaluation Form
Used to evaluate the unit's materials, design, construction and product literature.
Gulf Coast Testing Mark
Certified units display the Gulf Coast Testing Mark as proof of certification.
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1
Contact GCT
Contact GCT by phone, fax or email, or fill out the online application. We will quickly respond with a quote on the cost, the approximate timing, an application for certification and a general list of certification requirements.
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Application and initial fee
Payment of the initial fee and the filled-out application starts the official process of becoming certified by Gulf Coast Testing.
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Testing and evaluation
The wastewater treatment system is tested for conformance to the applied standard. This includes evaluation of all equipment, approval of the product manuals and inspection of the manufacturing facility.
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4
Certification
Completion of all testing, reviewing, inspecting and any corrective actions will result in issuing a Certification Certificate.
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Maintaining certification
An annual Continuing Compliance inspection of the manufacturing facility is required, as well as a retesting of the wastewater treatment system every seven years.