	

Re: HFO 1234yf    HYPERLINK
"Notes:///852567ED007367EC/CB9F9C96B851B9F18525736900703D68/02F0A1679217
2FDD15CF51B3150DBF72"  Notes Link 

Margaret Sheppard 

to:

Hayes, William D.

04/19/2010 04:54 PM

 04/19/2010 04:54 PM



Mr. Hayes,

The public comment period ended on Feb. 24.  We aim to have a final rule
later this year (late summer/early fall, depending on the
circumstances).

Yes, both programs apply independently. 

Margaret Sheppard

Environmental Scientist

Significant New Alternatives Policy Program

USEPA/Stratospheric Protection Division 

Tel. 202-343-9163

Fax 202-343-2338

email: sheppard.margaret@epa.gov

From:	"Hayes, William D." <WDHayes@vorys.com>

To:	Margaret Sheppard/DC/USEPA/US@EPA

Date:	04/16/2010 01:41 PM

Subject:	HFO 1234yf



Hi Ms. Sheppard,

Would it be possible to give me an idea of proximately when USEPA might
take final action of the SNAP proposed rule for  HFO-1234yf?  I
understand the comment period closed January 4, 2010 but several
colleagues have mentioned it was extended 9I haven’t been able to find
anything on an extension).  Finally, as I read the CAA and rules, there
is no statutory time frame that USEPA has to complete the review and
issue a final action.  That’s part of why I am trying to get a feel
for a rough timeframe of final action.

 

Also, despite arguments I have been receiving to the contrary, while the
SNAP and TSCA SNUR programs complement each other, they are still
independent and a chemical must be approved both under SNAP and SNUR if
used as a MVAC  refrigerant (like HFO will).  Is that your understanding
also?

 

Thanks for your help and have a great weekend

 

Bill hayes

  HYPERLINK "mailto:wdhayes@vorys.com"  wdhayes@vorys.com 

513-723-4024

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