Margaret Sheppard/DC/USEPA/US 
07/05/2007 03:06 PM	To
	Julius Banks/DC/USEPA/US@EPA, Dave Godwin/DC/USEPA/US@EPA
	cc
	Karen Thundiyil/DC/USEPA/US@EPA, Nancy Rattner/DC/USEPA/US@EPA
	bcc
	
	Subject
	more on HCR-188C
	
	

Refrigeration team,
I had a long phone call with Richard Maruya, submitter of the flammable 
refrigerant HCR-188C. 
  
Further clarification of the email I forwarded:
1) He is already reclaiming his refrigerant from his car using standard 
equipment (a Robin Air device).
2) The refrigerant can be separated and stored in 30 lb canisters used for 
propane for grilling.  These are already approved containers for shipping 
hydrocarbons under DOT regs.
3) Rather than reclaiming and recycling the HC blends as a refrigerant, he 
suggests using it as a fuel, in case the composition has changed slightly 
from its original formulation.  (It beats venting.)
In addition, Richard Maruya said that it certainly would be necessary to 
put warnings on a refrigerator with a HC charge to reduce the hazards 
associated with using a flammable refrigerant.

Also, Mr. Maruya said that some time ago, he talked with the company that 
is preparing his formulation.  They suggested that if he gets to the point 
of commercialization, the appropriate place for manufacturing the blend 
would be in a refinery.  It then would be packaged in cylinders by Air Gas 
or a similar company with experience in working with compressed 
hydrocarbon gases.  I would think that safety standards exist at 
refineries and facilities of specialty gas packagers.
 
Margaret Sheppard
USEPA/Stratospheric Protection Division
SNAP Program
Tel. 202-343-9163
Fax 202-343-2362
email: sheppard.margaret@epa.gov