RE: Comments on HC SNAP NPRM

Poster, Dianne L. to: Lee, Amanda I., Monica Shimamura 03/18/2010 10:23 AM

Cc: Cindy Newberg

Monday 2 pm OK for me. Thanks, Dianne

----- Original Message

----- From: Lee, Amanda I. Sent: Thursday, Mar ch 18, 2010 9:33 AM To: Shimamura.Monica@epamail.epa.gov Cc: Newberg.Cindy@epamail.epa.gov; Poster, Dianne L. Subject: RE: Comments on HC SNAP NPRM

Monday 2 pm or Tuesday afternoon would work for me.

----- Original Message

----- From: Shimamura.Monica@epam ail.epa.gov [mailto:Shimamura.Monica@epamail.epa.gov] Sent: Thursday, March 18, 2010 9:22 AM To: Lee, Amanda I. Cc: Newberg.Cindy@epamail.epa.gov; Poster, Dianne L. Subject: RE: Comments on HC SNAP NPRM

Hi Amanda and Dianne, Unfortunately after 4pm today does not work for us. Does Monday 3/22 at 9:00 AM or 2:00 PM or Tuesday 3/23 afternoon work? Thanks so much, Cheers, Monica

Monica Shimamura U.S. Environmental Protection Agency Stratospheric Protection Division (snail mail only) 1200 Pennsylvania Ave. NW (6205J) Washington DC 20460 (tel) 202.343.9337 (fax) 202.343.2362Address for hand delivery (UPS/Fed Ex/etc):

1310 L St. NW, 10th Floor (1027N) Washington DC 20005

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From: "Lee, Amand a I." <Amanda_I._Lee@omb.eop.gov>

To: Monica Shimamura/DC/USEPA/US@EPA

Cc: Cindy Newberg/DC/USEPA/US@EPA, "Poster, Dianne L." <Dianne_L._Poster@ceq.eop.gov>

Date: 03/17/2010 06:23 PM

Subject : RE: Comments on HC SNAP NPRM

I'm so sorry but I completely forgot about my 1 pm conference ca ll. Are you available after 4 pm?

----- Original Message

----- From: Shimamura.Monica@epamail.epa.gov [ mailto:Shimamura.Monica@epamail.epa.gov] Sent: Wednesday, March 17, 2010 6:08 PM To: Lee, Amanda I. Cc: Newberg.Cindy@epamail.epa.gov; Poster, Dianne L. Subject: RE: Comments on HC SNAP NPRM

Hi Amanda and Dianne, Unfortunately Cindy has a meeting that runs all morning and finishes at 2:00. Cindy might be able to leave the meeting a little early

- around 1:45pm. Would you be able to quickly chat at 1:45? I understand that is very little time but enough to get the conversation started. Cheers, Monica

Monica Shimamura U.S. Environmental Protection Agency Stratospheric Protection Division (snail mail only) 1200 Pennsylvania Ave. NW (6205J) Washington DC 20 460 (tel) 202.343.9337 (fax) 202.343.2362

Address for hand delivery (UPS/Fed Ex/etc):1310 L St. NW, 10th Floor (1027N)

Washington DC 20005

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From: "Lee, Amanda I." <Amanda_I._Lee@omb.eop.gov>

To: Cindy Newberg/DC/USEPA/US@EPA

Cc: "Poster, Dianne L." <Dianne_ L._Poster@ceq.eop.gov>, Monica

Shimamura/DC/USEPA/US@EPA

Date: 03/17/2010 05:29 PM

Subject: RE: Comments on HC SNAP NPRM

I'm available tomorrow between 11 and 2. I won't be in the office on Friday.

Dianne

-- are you a vailable tomorrow between 11 and 2?

----- Original Message

----- From: Newberg.Cindy@epamail.epa.gov [ mailto:Newberg.Cindy@epamail.epa.gov] Sent: Wednesday, March 17, 2010 5:26 PM To: Lee, Amanda I. Cc: Poster, Dianne L.; Shimamura.Monica@epamail.epa.gov S ubject: Re: Comments on HC SNAP NPRM

Amanda

Thanks so much for providing these comments from EOP. Monica and I have some clarifying questions. Can we set up a quick call later this week to ensure we're generating the right types of information?

- Cindy

++++++++++++++++++++++++++++++++++++++ Cindy Newberg Branch Chief Alternatives & Emissions Reduction Branch Stratospheric Protection Division US Environmental Protection Agency ph: 202

- 343

- 9729From: "Lee, Amanda I." <Amanda_I._Lee@omb.eop.gov >

To: Monica Shimamura/DC/USEPA/US@EPA

Cc: Cindy Newberg/DC/USEPA/US@EPA, "Poster, Dianne L." <Dianne_L._Poster@ceq.eop.gov>

Date: 03/17/2010 01:38 PM

Subject: Comments on HC SNAP NPRM

Hi Monica,

Please find EOP consolidated comments on EPA’s HC SNAP NPRM. We are happy to chat about them. Please let me know when you want to discuss. Thanks!

Amanda

1. There is considerable discussion, as there should be, throughout the document on the flammability risks to public health posed by the substitutes. However, CEQ suggests a distinct discussion be added on how the anticipated environmental benefits outweigh the flammability risks. The substitutes carry an A3 Refrigerant Safety Gr oup Classification code. We understand EPA proposes use conditions to mitigate flammability risks, but it would be helpful to know if and how the environmental benefits compare to the weight of the flammability risks. 2. Broad flammab ility risks associated with manufacturing and transportation are only weakly noted in the document. Has EPA coordinated with the DOC and DOT on its goal to introduce these substitutes in refrigeration units? 3. Acute Exposure Guideli ne Levels were used to assess end

- use exposure to propane, but not for the other substitutes. As EPA notes AEGLs consider flammability in addition to toxicity. Why not use AEGLs for all of the substitutes? 4. Page 18 line 14, page 20 line 19: refrigerant in units of pounds but elsewhere in the document refrigerant masses are in grams. Grams should be used throughout. 5. Page 25: In the section on “impacts on the environment,” there is useful information on how t he hydrocarbon refrigerants compare with the chemicals they would replace on GWP basis. However, CEQ suggests EPA include a brief discussion of how the replacements compare with the original chemicals on the basis oflifecycle GH G emissions from the intended uses

— i.e., accounting for energy consumption as this is currently lacking. 6. Page 41 line 8: use of “a” hydrocarbon or use of hydrocarbons (pl) 7. Page 47 Section G: It is noted that this action does not p resent a disproportionate risk to children. However, given that a) on page 29 it’s noted “the highest concentrations of the refrigerant occur in the lower stratum of the room when assuming lower ventilation levels of 2.5 air change s per hour” upon the 100 percent discharge of a unit, and b) children spend a significant amount of time in the kitchen, further rationale for stating there is a negative disproportionate risk to children with respect to this propos al would strengthen this section. (See attached file: HC_NPRM_SAN_5339_Rule_03172010.doc)