----- Forwarded by Melanie King/RTP/USEPA/US on 08/10/2010 06:01 PM

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| From: |

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|Larry Sorrels/RTP/USEPA/US

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| To: |

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|"Higgins, Cortney" <Cortney_Higgins@omb.eop.gov>

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| Cc: |

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|Melanie King/RTP/USEPA/US@EPA, Amy Lamson/RTP/USEPA/US@EPA, Ron

Evans/RTP/USEPA/US@EPA, RobertJ Wayland/RTP/USEPA/US@EPA, Peter |

|Tsirigotis/RTP/USEPA/US@EPA

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| Date: |

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|08/10/2010 02:25 PM

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| Subject: |

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|RE: revised SI RICE NESHAP RIA - redline/strikeout and final versions

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Cortney,

Attached are the redline/strikeout and clean versions of the final SI RICE

NESHAP RIA. Thank you.

Larry Sorrels

-----"Higgins, Cortney" <Cortney_Higgins@omb.eop.gov> wrote: -----

To: Larry Sorrels/RTP/USEPA/US@EPA

From: "Higgins, Cortney" <Cortney_Higgins@omb.eop.gov>

Date: 08/10/2010 02:11PM

Cc: Melanie King/RTP/USEPA/US@EPA

Subject: RE: revised SI RICE NESHAP RIA

Great!
I think with this change and the footnote change for the Tables 4-4 to 4-6,

the RIA should be ready to go. Once it’s done, can you send me a redline

and clean version of the RIA?

Thanks,

Cortney

From: Sorrels.Larry@epamail.epa.gov [

mailto:Sorrels.Larry@epamail.epa.gov]

Sent: Tuesday, August 10, 2010 2:10 PM

To: Higgins, Cortney

Cc: King.Melanie@epamail.epa.gov; Talcott.Fred@epamail.epa.gov;

Wayland.Robertj@epamail.epa.gov; Lamson.Amy@epamail.epa.gov;

Nagelhout.Peter@epamail.epa.gov

Subject: RE: revised SI RICE NESHAP RIA

Okay, thanks. I will put these sentences in a paragraph just before Table

1-1 as the following:

It should be noted that there is a difference between the annualized

social costs estimated at 3% and 7%. We approximate the annualized

social costs with the compliance costs of the rule for the RIA, as we

mention later in Section 5. The annualized compliance costs of the rule are

estimated to be $244 million (2009 dollars) using a 3% interest rate. Thus,

the annualized social costs for a 3% rate are also $244 million using our

approximation, and this estimate is very close to the annualized social cost

estimate at a 7% rate.

Please let me know if you have any questions or comments.

Larry S.

-----"Higgins, Cortney" <Cortney_Higgins@omb.eop.gov> wrote: -----

To: Larry Sorrels/RTP/USEPA/US@EPA

From: "Higgins, Cortney" <Cortney_Higgins@omb.eop.gov>

Date: 08/10/2010 01:59PM

Cc: Melanie King/RTP/USEPA/US@EPA, Fred Talcott/DC/USEPA/US@EPA, RobertJ

Wayland/RTP/USEPA/US@EPA, Amy Lamson/RTP/USEPA/US@EPA, Peter

Nagelhout/DC/USEPA/US@EPA

Subject: RE: revised SI RICE NESHAP RIA

No, the text around the summary table in the RIA (the very first table that
has the costs and benefits for the rule).

From: Sorrels.Larry@epamail.epa.gov [

mailto:Sorrels.Larry@epamail.epa.gov]

Sent: Tuesday, August 10, 2010 1:51 PM

To: Higgins, Cortney

Cc: King.Melanie@epamail.epa.gov; Talcott.Fred@epamail.epa.gov;

Wayland.Robertj@epamail.epa.gov; Lamson.Amy@epamail.epa.gov;

Nagelhout.Peter@epamail.epa.gov

Subject: RE: revised SI RICE NESHAP RIA

Cortney, by table, are you referring to the impacts table in ROCIS?

If so, I will do this.

Larry S.

-----"Higgins, Cortney" <Cortney_Higgins@omb.eop.gov> wrote: -----

To: Larry Sorrels/RTP/USEPA/US@EPA

From: "Higgins, Cortney" <Cortney_Higgins@omb.eop.gov>

Date: 08/10/2010 01:41PM

Cc: Melanie King/RTP/USEPA/US@EPA, Fred Talcott/DC/USEPA/US@EPA, RobertJ

Wayland/RTP/USEPA/US@EPA, Amy Lamson/RTP/USEPA/US@EPA, Peter

Nagelhout/DC/USEPA/US@EPA

Subject: RE: revised SI RICE NESHAP RIA

Can you clarify this in the text around the table by adding sentences based

on what you wrote below, e.g. “There is a difference between the

social costs estimated at 3% and 7%. We approximate the annualized

social costs with the compliance costs of the rule for this RIA, as we

mention in Section 5. The annualized compliance costs of the rule are

estimated to be $244 million using a 3% interest rate. Thus, the annualized

social costs for a 3% rate are $244 million using our approximation, and this

estimate is very close to the estimate at a 7% rate.”

From: Sorrels.Larry@epamail.epa.gov [

mailto:Sorrels.Larry@epamail.epa.gov]

Sent: Tuesday, August 10, 2010 12:38 PM

To: Higgins, Cortney

Cc: King.Melanie@epamail.epa.gov; Talcott.Fred@epamail.epa.gov;

Wayland.Robertj@epamail.epa.gov; Lamson.Amy@epamail.epa.gov;

Nagelhout.Peter@epamail.epa.gov

Subject: RE: revised SI RICE NESHAP RIA

Cortney,
There is a difference between the social costs estimated at 3% and 7%.

We approximate the annualized social costs with the compliance costs of the

rule for this RIA, as we mention in Section 5. The annualized compliance

costs of the rule are estimated to be $244 million using a 3% interest rate,

according to the ROCIS form. Thus, the annualized social costs for a 3% rate

are $244 million using our approximation, though this estimate is actually

quite close to the estimate at a 7% rate. Thanks.

-----"Higgins, Cortney" <Cortney_Higgins@omb.eop.gov> wrote: -----

To: Melanie King/RTP/USEPA/US@EPA, Larry Sorrels/RTP/USEPA/US@EPA

From: "Higgins, Cortney" <Cortney_Higgins@omb.eop.gov>

Date: 08/10/2010 12:14PM

Cc: Fred Talcott/DC/USEPA/US@EPA, RobertJ Wayland/RTP/USEPA/US@EPA, Amy

Lamson/RTP/USEPA/US@EPA, Peter Nagelhout/DC/USEPA/US@EPA

Subject: RE: revised SI RICE NESHAP RIA

Hi Melanie or Larry,

Can you explain why there's no difference between the social costs at 3% and

at 7%? The footnote (3) explains that the annual compliance costs are a

proxy for the annual social costs, but it doesn't explain why there's no

difference.

Regards,

Cortney

(See attached file: Final SI RICE

RIA_8-10-10_draftOMBversion4redlinestrikeout.doc)(See attached file:

Final SI RICE RIA_8-10-10_complete.doc)