Authorised testing facility (ATF) bulletin 01-17: diesel opacity meters
Software updates that authorised testing facilities (ATFs) must make to diesel opacity meters by 20 May 2018.
Applies to England, Scotland and Wales
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This ATF service bulletin tells you about a software update for diesel opacity meters used for heavy goods vehicle (HGV) and public service vehicle (PSV) testing.
You must make this update by 20 May 2018.