Note: Nothing in this standard supercedes applicable laws and regulations.

Note: In the event of conflict between the English and domestic language, the English language shall take precedence.

Purpose/Material Description.

This specification covers the overall requirements for 2,3,3,3 – Tetrafluoro- 1-Propene refrigerant (HFO-1234yf) for use in GM mobile air conditioning systems.

Symbols.

Not applicable.

Applicability.

As a refrigerant in automotive air conditioners.

Remarks.

Specification number and effective date of specification shall be referred to by suppliers when making quotations or acknowledging orders.