Ozone Standard Reference Photometer Program (SRP)
The Standard Reference Photometer Program is used to certify the State, Local, and Tribal monitoring organizations' ozone primary and transfer standards and is implemented through the Office of Research and Development (ORD). Certification programs like the SRP program provide independent testing of products and or instrumentation and are used to provide a sense of quality and comparability. The following documents provide information on the SRP program.
- Quality Assurance Project Plan for the Standard Reference Photometer Program (pdf)
- Standard Operating Procedure (SOP) for the Verification and Re-Verification of EPA’s Ozone Standard Reference Photometers (pdf)
- Technical Assistance Document - Transfer Standards For Calibration of Air Monitoring Analyzers for Ozone (pdf)
- Ozone Transfer Standard Verification Summary Sheet (xlsm)