Which Turkish governmental departments are responsible for these regulations?

Below mentioned regulations are mainly held by MoEF and other Ministries such as Health and Occupation and Social Security are in coordination.

SDS Directive of 27092
Chemical Control and Inventory directive
Classification Labelling and Packing of the Dangreous cehmicals and preparations .
SEVESO II
CLP/ GHS Harmonisation
REACH implementation

And Below listed directives are handled by Mo Health,with the coordination of the other ministries and institutes.