Embraer comments to ECHA's ANNEX XV RESTRICTION REPORT PROPOSAL FOR A RESTRICTION SUBSTANCE NAME(S): Per- and polyfluoroalkyl substances (PFASs) Embraer appreciates the opportunity to read and provide comments to the ECHA's ANNEX XV RESTRICTION REPORT.

We are Chinese enterprise specializing in the production of fluorine materials.

LETTERS TO NATURE allowing for the van der Waals radii of the attached hydrogens, the `free space' dimension of the channel in this direction (left to right in Fig. 2A) is close to 20 A.

C 355/2 EN Official Journal of the European Communities 20.11.98 Communication from the Commission to the Council and the European Parliament: Strategy for the phaseout of CFCs in metered-dose inhalers (98/C 355/02) COM(1998) 603 final CHAPTER 1 INTRODUCTION 1.1.Decision IX/19 of the Parties to the Montreal Protocol requires Parties requesting essential use nominations for chlorofluorocarbons CFCs for metered-dose inhalers (MDI) to present to the Ozone Secretariat an initial national or regional transition strategy if possible by 31 January 1998, and in any case by 31 January 1999.

Molecular Crystals and Liquid Crystals Science and Technology.

Molecular Crystals and Liquid Crystals Science and Technology.

LETTERS TO NATURE allowing for the van der Waals radii of the attached hydrogens, the `free space' dimension of the channel in this direction (left to right in Fig. 2A) is close to 20 A.