Jg SED STq %

W

Z e

O =
t PRO 11-611 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY WASHINGTON, D.C. 20460

~~~ ~ 

## i 13 ~`

~ 4 OFFICE OF AIR AND RADIATION

Katarzyna Bober Leader, Product Stewardship Honeywel l International Inc. 101 Columbia Road Morristown, NJ 07962-1039

Re: Incomplete SNAP Submission for R-450A (Solstice ® N-13) in Refrigeration and Air Conditioning

Dear Ms. Bober:

Thank you for Honeywell's submission to the Environmental Protection Agency (EPA) for R450A (Solstice ® N-13) in refrigeration and air conditioning (AC). EPA established the Significant New Alternatives Policy (SNAP) program to implement section 612 of the Clean Air Act. Your submission received on May 29, 2014 has been "reviewed for completeness as part of the initial SNAP review. We have found the submission to be incomplete. The following information is necessary in order to allow the Agency to continue the review of Honeywell's submission for R-450A in refrigeration and AC:

Applications. In Part I, Section B, Number 4(a) of the SNAP submission, the following end-uses are proposed for Solstice® N-13 (R-450A):

• Retail food refrigeration • Refrigerated transport • Vending machines • Water coolers • Cold storage warehouses • Industrial process refrigeration • Chillers • Household refrigerators and freezers • Industrial process AC • Residential and light commercial AC and heat pumps (HP) (including HP water heaters) a) The range of possible applications within some of these end-uses is broad. Please identify the specific applications for each of the following end-uses (as applicable). Examples of potential applications within these end-uses are provided to facilitate answering our question. For example, within residential and light

Internet Address (URL) - http://www.epa gov RecycledlRecyciable • Printed with Vegetable Oil Based'Inks on 100% Postconsumer, Process Chlorine Free Recycled Paper ,,-e-commercial AC and heat pumps, is R-450A (Solstice® N-13) proposed for use in window AC units, room AC units, unitary (central) AC systems, or multi-split systems? Please see Table 1 as a potential template for providing your response. • Retail food refrigeration (direct rack systems, indirect rack systems, other remote condensing unit systems, stand-alone units) • Refrigerated transport (containers, refrigerated trailers/vans, shipholds) • Industrial process refrigeration (petroleum processing, chemical production, food product manufacturing) • Chillers (by use—commercial buildings, industrial, etc.—and by type of compressor—centrifugal; reciprocating, screw and scroll) • Residential and light commercial AC and heat pumps (including heat pump water heaters) (room AC including window AC units and PTACs/PTHPs; mini-splits; multi-splits; residential central AC/HP <5 ton; small commercial rooftop-units; other packaged units) 2. Charge Size. In Part III, Section D, Part (a) of the SNAP submission, you provide information regarding average charge sizes of supermarkets refrigeration equipment (rack systems), which is one of the proposed end-uses for this substitute. However, you also state that convenience stores and vending machines, in addition to supermarkets, are among the majority of likely end-use sites. Please provide average and maximum charge sizes for each anticipated end-use and application. Please see Table 1 as a potential template for providing this information.

Table 1: Specific Applications and Typucal and Maximum (:harge Sizes for Proposed Fndf;ses

End-Use Specific Application TYpical

Charge Size (k ) Maximum

Charge Size (kg) Retail food refrigeration

Refrigerated Transport

Vending machines Water coolers Cold storage warehouses Industrial process refrigeration Industrial process AC Chillers Household refrigerators and freezers Residential and light commercial AC and heat pumps Note: Please add additional rows as needed3. CBI Claims. If you wish to claim any of the information submitted in response to the

requests above as confidential business information (CBI) under the Clean Air Act, please provide two copies of your response, one containing CBI and one with CBI removed.

Here is a summary of information concerning your submission:

Substitute name: R-450A (Solstice ® N-13) Substance(s) the substitute will replace: R-134a, CFC-12, HCFC-22, R-502

Sector: Refrigeration and Air Conditioning - End uses: Retail food refrigeration, refrigerated transport, vending machines, water coolers, cold water storage warehouses, industrial process refrigeration, chillers, domestic refrigerators, industrial process air-conditioning, residential/light commercial A/C & heat pumps (including heat pump water heaters) New or Retrofit usage: Retrofits and New Equipment

Date received: May 29, 2014 Status of submission: Incomplete

Responses to these questions is necessary for us to begin our review. The information can be submitted via electronic mail or hard copy. If you have questions about your submission, please contact me at (202) 343-9624 or Wozniak. erald e ,epa.o g_v.

Sincerely,

Gerald Wozniak Alternatives and Emissions Reduction Branch Stratospheric Protection Division