https://www.baaqmd.gov/en/permits/register-equipment/boiler-certification-program
Boiler Certification Program
Apply to certify boilers, steam generators, and process heaters that meet Air District requirements.
boiler certificationprogram
https://www.pmmag.com/articles/95211-aerco-offers-direct-fired-boiler-certification-courses
AERCO offers direct-fired boiler certification courses | 2012-08-28 | Plumbing & Mechanical
boiler certificationoffersdirectfiredcourses