Response to NDDH letter of January 11, 2010 to John Graves of Minnkota Power Respon

Date Time

Confidential Type From To Summary Description Attachm

1/6/09 1:31 PM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech

V. Rummenhohl, Fuel-Tech

Request for TESCR consulting None

1/7/09 8:50 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD

V. Rummenhohl, Fuel-Tech

Agree to assist BMcD None

1/12/09 12:03 PM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD

V. Rummenhohl, Fuel-Tech

Info needed for TESCR mass balance

None

1/13/09 11:17 AM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech

V. Rummenhohl, Fuel-Tech

FRP temperature considerations for TESCR

None

1/15/09 9:47 AM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech

V. Rummenhohl, Fuel-Tech

Request for review of catalyst mangement plan for TESCR

BMcD catTESCR (d

1/23/09 8:10 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Mass balance & PFD for TESCR PFD for T

Mass bala

1/23/09 9:58 AM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech

V. Rummenhohl, Fuel-Tech

Design issues for TESCR;Additional documents needed

None

2/7/09 5:25 PM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD PFDs for TESCR

Mass balances for TESCR

PFDs for Mass bala

2/9/09 5:30 PM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Questions RE: TESCR None3/3/09 12:26 PM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Heat source for reheat; Decision on 

SCR reagent

None

3/6/09 11:59 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Effect of urea conversion on mass 

balances; Request for confirmation of SCR mass balances needed

None

3/6/09 12:10 PM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Natural gas for urea conversion None3/6/09 12:25 PM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Confirm need for LDSCR & TESCR 

mass bal for U1 & U2

None

3/12/09 8:59 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Mass balances, PFDs & reactor 

sizes for TESCR & LDSCR for MRYS U1 & U2

Mass balaTESCR & 

3/19/09 9:06 AM e-mail C. Bowman, BMcD M. Gialanella, BPI Request for SCR quotes Fuel analy

Question 7 - All vendor correspondence related to SCR reactor sizing, catalyst volume, NOx control efficiency, catalyst cost, catalyst 

catalyst guarantees should be provided. This includes the original requests submitted to vendors and (catalyst) suppliers by Minnkota must also include the description of the gas stream that was supplied to the vendors.

Response: The tabulation below provides an index to all correspondence related to these topics. Where an item is considered by MCONFIDENTIAL, the indication as such is given in the third column. The confidential and non-confidential correspondence will be subelectronic form on separate CDs. Minnkota requests certification of the claimed confidential materials as confidential in accordance wiRules for the State of North Dakota at 33-15-01-16. Confidentiality of records.
Response to NDDH letter of January 11, 2010 to John Graves of Minnkota Power Respon

Date Time

Confidential Type From To Summary Description Attachm

Question 7 - All vendor correspondence related to SCR reactor sizing, catalyst volume, NOx control efficiency, catalyst cost, catalyst 

catalyst guarantees should be provided. This includes the original requests submitted to vendors and (catalyst) suppliers by Minnkota must also include the description of the gas stream that was supplied to the vendors.

Response: The tabulation below provides an index to all correspondence related to these topics. Where an item is considered by MCONFIDENTIAL, the indication as such is given in the third column. The confidential and non-confidential correspondence will be subelectronic form on separate CDs. Minnkota requests certification of the claimed confidential materials as confidential in accordance wiRules for the State of North Dakota at 33-15-01-16. Confidentiality of records.

3/20/09 2:55 PM e-mail C. Bowman, BMcD M. Gialanella, BPI Correction of SCR COD dates None3/30/09 3:43 PM e-mail C. Bowman, BMcD M. Gialanella, BPI GGH leakage rates allowed;

Steam reheat not an option

None

4/1/09 2:26 PM e-mail J. Waller, BPI C. Bowman, BMcD Dates for quotation None4/2/09 11:15 AM e-mail J. Waller, BPI C. Bowman, BMcD Flue gas conditions Comparis4/7/09 10:03 AM e-mail C. Bowman, BMcD J. Waller, BPI Corrected flue gas conditions Flue gas c4/9/09 12:23 PM e-mail J. Waller, BPI C. Bowman, BMcD FGD GGH leakage rates allowed None

4/9/09 1:15 PM e-mail C. Bowman, BMcD J. Waller, et al, BPI GGH leakage rates allowed previous e

4/20/09 7:14 AM

Y e-mail J. Waller, BPI C. Bowman, BMcD Preliminary info for quotation Flue Gas 

Flow diagFlow diagFGD GGH SCR GGH SCR GGH SCR ReaSCR Rea

4/28/09 3:36 PM e-mail J. Waller, BPI C. Bowman, BMcD

ΔP, ammonia use, gas firing Tabulation 

6/1/09 2:47 PM

Y e-mail J. Waller, BPI C. Bowman, BMcD BPI's SCR proposal #502331 SCR Bud

BPI/RPI S

8/3/09 8:24 AM e-mail W. Jones, Haldor-Topsoe R. Blakley, BMcD Agree to meet with Minnkota None8/3/09 5:18 PM e-mail R. Blakley, BMcD W. Jones, Haldor-Topsoe Purpose for meeting None8/5/09 1:11 PM e-mail R. Bryant, BMcD W. Jones, Haldor-Topsoe Agenda for meeting Agenda fo8/5/09 8:38 PM e-mail N. White, Haldor-Topsoe R. Bryant, BMcD Agenda for meeting Agenda fo8/7/09 2:56 PM e-mail R. Bryant, BMcD N. Rosha, CERAM PFDs & Mass balances Mass bala

TESCR & (from Fue

8/7/09 3:05 PM e-mail R. Bryant, BMcD Meeting invitees Agenda for meeting Agenda fo8/7/09 3:13 PM e-mail R. Bryant, BMcD Meeting invitees Agenda for meeting Agenda fo
Response to NDDH letter of January 11, 2010 to John Graves of Minnkota Power Respon

Date Time

Confidential Type From To Summary Description Attachm

Question 7 - All vendor correspondence related to SCR reactor sizing, catalyst volume, NOx control efficiency, catalyst cost, catalyst 

catalyst guarantees should be provided. This includes the original requests submitted to vendors and (catalyst) suppliers by Minnkota must also include the description of the gas stream that was supplied to the vendors.

Response: The tabulation below provides an index to all correspondence related to these topics. Where an item is considered by MCONFIDENTIAL, the indication as such is given in the third column. The confidential and non-confidential correspondence will be subelectronic form on separate CDs. Minnkota requests certification of the claimed confidential materials as confidential in accordance wiRules for the State of North Dakota at 33-15-01-16. Confidentiality of records.

8/13/09 11:18 AM e-mail N. Rosha, CERAM R. Bryant, BMcD Presentation & Reference List CERAM p

CERAM L

8/18/09 3:14 PM e-mail W. Jones, Haldor-Topsoe R. Bryant, BMcD Scope of Work HTI typica8/19/09 9:19 AM e-mail W. Jones, Haldor-Topsoe R. Bryant, BMcD Startup procedure for Amager 1 Presentat

boiler, FG

8/25/09 5:17 PM

Y e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech

V. Rummenhohl, Fuel-Tech

Request for review of prelim design for TESCR & LDSCR 

BPI's SCR Flue Gas Flow diagFlow diagFGD GGH SCR GGH SCR GGH SCR SystSCR ReaSCR Rea

8/26/09 4:26 PM e-mail R. Bryant, BMcD W. Jones, Haldor-Topsoe Request for recommendations Scope of 

Microbeam Excerpt fr

8/26/09 4:30 PM e-mail R. Bryant, BMcD N. Rosha, CERAM Request for recommendations Scope of 

Microbeam Excerpt fr

9/1/09 6:57 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Preliminary PFDs PFD for T

PFD for L

9/1/09 5:04 PM

Y e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech

V. Rummenhohl, Fuel-Tech

Discussion of design and operating issues for TESCR & LDSCR

Mark-up o

9/2/09 11:18 AM

Y e-mail R. Blakley, BMcD J. Waller, BPI Questions on BPI design SCR Bud

BPI/RPI S

9/3/09 3:00 PM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Problem with attachments for e-mail

of 9/1/09 5:04 PM;Hitachi No-Leak GGH brochure

Hitachi NoArgillon S
Response to NDDH letter of January 11, 2010 to John Graves of Minnkota Power Respon

Date Time

Confidential Type From To Summary Description Attachm

Question 7 - All vendor correspondence related to SCR reactor sizing, catalyst volume, NOx control efficiency, catalyst cost, catalyst 

catalyst guarantees should be provided. This includes the original requests submitted to vendors and (catalyst) suppliers by Minnkota must also include the description of the gas stream that was supplied to the vendors.

Response: The tabulation below provides an index to all correspondence related to these topics. Where an item is considered by MCONFIDENTIAL, the indication as such is given in the third column. The confidential and non-confidential correspondence will be subelectronic form on separate CDs. Minnkota requests certification of the claimed confidential materials as confidential in accordance wiRules for the State of North Dakota at 33-15-01-16. Confidentiality of records.

9/3/09 6:23 PM

Y e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Re-transmittal of preliminary design 

of ductwork, TESCR w/GGH, LDSCR w/GGH 

BMcD plaMarkup of drawings 

9/11/09 3:45 PM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Updated PFD/mass balances PFD / ma

U1 & U2PFD / maU1 & U2

9/15/09 7:36 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Comments on prelim design for 

MRYS LDSCR and TESCR

Fuel-Tech design for 

9/15/09 9:18 AM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Questions on Fuel-Tech mass 

balance discrepancies

Fuel-Tech BMcD com

9/15/09 9:53 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Resolution of discrepancy None9/17/09 11:16 AM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Request for information None9/18/09 1:32 PM

Y e-mail G. Holscher, CERAM L. Kvernen, Minnkota Proposal Submittal CERAM p

CERAM R

9/22/09 11:57 PM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Revised PFDs for Unit 1 Revised F

for MRY UAdditiona

9/23/09 4:51 PM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Questions about Fuel-Tech mass 

balance results

Fuel-Tech BMcD com

9/25/09 6:59 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Corrected PFD / mass balance Revised F

for MRY UAdditiona

9/25/09 1:31 PM e-mail S. Libby, Minnkota P. Dyer, BMcD B & W response to survey about 

catalyst changeout

B & W reschangeou

9/25/09 3:31 PM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Questions about Fuel-Tech mass 

balance results

Revised Ffor MRY UAdditiona
Response to NDDH letter of January 11, 2010 to John Graves of Minnkota Power Respon

Date Time

Confidential Type From To Summary Description Attachm

Question 7 - All vendor correspondence related to SCR reactor sizing, catalyst volume, NOx control efficiency, catalyst cost, catalyst 

catalyst guarantees should be provided. This includes the original requests submitted to vendors and (catalyst) suppliers by Minnkota must also include the description of the gas stream that was supplied to the vendors.

Response: The tabulation below provides an index to all correspondence related to these topics. Where an item is considered by MCONFIDENTIAL, the indication as such is given in the third column. The confidential and non-confidential correspondence will be subelectronic form on separate CDs. Minnkota requests certification of the claimed confidential materials as confidential in accordance wiRules for the State of North Dakota at 33-15-01-16. Confidentiality of records.

9/28/09 10:05 AM e-mail R. Johnson, Fuel-Tech R. Blakley, BMcD Revised Fuel-Tech PFDs Revised F

and additi

9/28/09 1:03 PM

Y e-mail W. Jones, Haldor-Topsoe R. Bryant, BMcD HTI budgetary quote for catalyst for 

LDSCRs at MRY

None

10/1/09 2:29 PM

Y e-mail R. Blakley, BMcD J. Waller, BPI Follow-up questions about BPI's 

SCR proposal #502331

BPI's SCR 

10/5/09 1:27 PM e-mail S. Benson, Microbeam W. Jones, Haldor-Topsoe Sulfation of fly ash Excerpt fr10/9/09 9:33 AM e-mail W. Jones, Haldor-Topsoe R. Bryant, BMcD Update on Amager None

10/12/09 12:55 PM

Y e-mail W. Jones, Haldor-Topsoe R. Bryant, BMcD HTI proposal for catalyst for LDSCRs 

at MRY

HTI propoMRY U1 & 

10/13/09 8:42 AM

Y e-mail N. Rosha, CERAM L. Kvernen, Minnkota CERAM proposal for catalyst for 

MRY LDSCR & TESCR

CERAM pLDSCR & 

10/23/09 3:35 PM

Y e-mail W. Jones, Haldor-Topsoe R. Blakley, BMcD Clarification of HTI proposal None

12/22/09 9:21 AM e-mail R. Blakley, BMcD R. Johnson, Fuel-Tech Reheat data discepancy Revised F

1/6/10 2:45 PM e-mail R. Blakley, BMcD W. Jones, Haldor-Topsoe Request for written confirmation Letter dat1/6/10 2:37 PM e-mail R. Blakley, BMcD N. Rosha, CERAM Request for written confirmation Letter dat

1/11/10 1:03 PM e-mail R. Blakley, BMcD V. Rummenhohl, Fuel-Tech Reheat data discepancy Revised F

1/13/10 3:02 PM e-mail N. Rosha, CERAM R. Blakley, BMcD Written confirmation Letter dat1/13/10 5:29 PM e-mail W. Jones, Haldor-Topsoe R. Blakley, BMcD Written confirmation Letter dat1/15/10 9:14 AM e-mail V. Rummenhohl, Fuel-Tech R. Blakley, BMcD Reheat data discepancy None1/22/10 1:46 PM e-mail V. Rummenhohl, Fuel-Tech R. Blakley, BMcD

C. Weilert, BMcD

Reheat data discepancy Corrected 

balance fo