Co-chairs Samuel Pare (Burkina Faso) and Ulrika Raab (Sweden) clear Document title Documents Posted Decision XXXIII/[--]: Enhancing the global and regional atmospheric monitoring of substances controlled by the Montreal Protocol - Submission by the contact group on gaps in monitoring (Final) en 28 October 2021, 17:17 Enhancing the global and regional atmospheric monitoring of CFC-11 and other substances controlled by the Montreal Protocol (Rev 3) en 27 October 2021, 18:04 Enhancing the global and regional atmospheric monitoring of CFC-11 and other substances controlled by the Montreal Protocol (Rev 2) (re-posted) en 27 October 2021, 18:20 clear