OPSO - What does OPSO stand for? The Free Dictionary
References in periodicals archive
These recommendations were sent to OPSO, MTB, natural gas utilities, and various standards organizations.
The report also asked the MTSB and OPSO also were asked to "initiate rulemaking to require installation of excess flow valves on all new and renewed single-family residential services which have operating conditions compatible with the rated performance parameters of at least one model of commercially available excess flow valve.
Having spent my previous two years as the AMO and OPSO
, I was enjoying life as a pilot for my last month in the squadron.