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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 

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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 needed 
3. 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.og_v. 

Sincerely, 

Gerald Wozniak 

Alternatives and Emissions Reduction Branch 

Stratospheric Protection Division