Surveillance Testing Policy for Horticultural Lighting Technical Requirements

The DLC Surveillance Testing Program monitors the validity of data submitted to the Horticultural Lighting QPL pre- and post-qualification. This performance verification system was created to protect the integrity and value of the QPL for all stakeholders.

Please direct any questions or comments about the program to surveillance@designlights.org. 

Surveillance Testing Policy for Horticultural Lighting Technical Requirements Version 3.0

Surveillance Testing Policy Hort 3.0

Nominate a Product for Testing

Please use the form below to report instances of logo misuse or suspected product quality issues to the DLC.