23 Jan 2013 Official Publication Amendment 1 Certification Specifications group CS-34 Aircraft Engine Emissions and Fuel Venting Read MoreRelated Content Read More CS file [pdf] CS-34 / Amendment 1 Related ED Decision ED Decision 2013/002/R Explanatory Note [pdf] CS-34/Amendment 1 - Explanatory Note Change Information [pdf] CS-34/Amendment 1 - Change information Related Content [pdf] Easy Access Rules for Aircraft Engine Emissions and Fuel Venting (CS-34) (Amendment 1)