John M. Mandyck UNITED STATES ENVIRONMENTAL PROTECTION AGENC Y WASH IN GTON, D
.C. 20460



## SEP 2 4 2013

UTC Climate, Controls and Security (Carrier Corporation) One Carrier Place Farmington, Connecticut 06034 OFFICE OF AIR AND RADIATION

Re: Incomplete SNAP Submission for Carbon Dioxide in Refrigerated Transport Dear 

### Mr. Mandyck: Thank you for your submission to the Environmental Protection Agency (EPA) Significant New Alternatives Policy (SNAP) program that you submitted on July 19 ,2013. The Agency has reviewed the information in the application and determine-d that the SNAP submi ssio n for carbon dioxide (COz) in refrigerated transport is incomplete. The following information is necessary in order to allow the Agency to begin reviewing your SNAP submi ss ion for C0 2 • 1. Impurities . In Part I, Section B , Number 5, your application states that the proposed C0 2 formulation will contain various impuritie s in concentration units of"ppm ," " ppm by weight," and "ppm by volume." Please provide the concentrations ofthese components using a single, consistent unit ofmeasurement, preferably total weight percent. a. You state that the formulation will contain less than 50 ppm by weight of hydrocarbons and other refrigerants as impurities. Please provide information on what specific hydrocarbons and refrigerants are expected to be present. Additionally , to help us understand how these im purities are generated , please indicate the source of your raw C0 2 . b. If you are following manufacturing standards or specifications that result in these impurity concentrations, please provide information on tho se method s . 2. Energy Efficiency. In your application you indicate that

- and you provide a summary ofthese data. Please provide the final test reports, including detail on the methods and conditions used to perform the tests, and the t est results.
3. Refrigeran t/Oil Solubility. Please provide information on refrigerant/oil solubility. What is the type of compressor oil you expect to use with C02 refrigerant?

I nternet Address (URL ) • http : ll www. epa . gov Recyc l ed/Recyclable ·P rin ted with Vegetable Oil Based Inks on 100 % Postconsumer. Process Chlorine Fr ee Recycled Paper4. Charge Size. Please confirm that the charge sizes listed below are the maximum charge sizes expected for each application. Please also provide the typical charge size and the typical and minimum volume of refrigerated spaces, for each type of equipment listed below.



### 5.

a . Please identify the locations of where the potential for release occurs (i.e., indoors or outdoors)
. b. In Part III Section D (a) and (c), the
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Please provide additional information on the mitigation technologies you intend to deploy, including a diagram of a reefer truck and a refrigerated storage container that shows where the different parts ofthe refrigera t ion system and the pressure release valve would be located. In addition, please provide information on the activation time ofthe pressure relief valve and the reliability or failure rates ofthe pressure transducer and pressure relief valve.
6. Confidential Business Information. If you wish to claim any ofthe information submitted in response to the above requests as confidential business information (CBI) , please provide two copies of your response, one containing CBI and one with CBI removed.
Here is a summary of information concerning your submission: Substitu t e name: C02 Substance(s) the substitute will replace: HFC-134a, R-404A Sector: Refrigeration and Air Conditioning End-uses: Refrigerated transport New or retrofit usage: new Date received: July 19,2013 Status of submission: incompleteResponses to these questions are necessary for us to begin our review. The information can b e submitted via electronic mail or hard copy. If you have questions about your submission, please contact me at (202) 34 3-9445 or von demhagen.rebecca@epa.gov . Sincerely,

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# - Rebecca von dem Hagen Alternatives and Emissions Reduction Branch Stratosph eric Protection D ivis i on