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This standard applies to installations with an Environment Agency or Natural Resources Wales environmental permit which requires them to install an MCERTS certified EDM at one or more of the following locations:

• a waste water overflow to storm management system at a waste water treatment works
• a last in line overflow
• a sewage pumping station

This MCERTS standard specifies the minimum requirements for installing and using EDMs required by a permit.

It describes the inspection and certification procedures. It also provides quality assurance procedures to make sure that EDMs are correctly installed and maintained.

This standard covers the requirements for the:

• certification process
• installation and performance
• management system to make sure EDMs continue to perform effectively