From: Bob_Jongleux@URSCorp.com

To: Keith Barnett/RTP/US EPA/US@EPA, Keith Barnett/RTP/USEPA/US@EPA

Cc: michael.pelan@lafarge

‐ na.com, Bob_Jongleux@URSCorp.com

Date: 03/31/2010 07:50 PM

Subject: Enclosure 6 Submittal for Lafarge Alpena

‐ ICR 114 Request

Keith

‐ URS is submitting on behalf of our client Lafarge

‐ North America the

attached requested ERT spreadsheet in response to the EPA ICR 114 request of

February 3, 2010.

A complete emission test report will be submitted upon completion and approval

by Lafarge. Please advise if you have any questions.

Please confirm reciept of the attachment by return email.

Thank you

Bob Jongleux

Measurement Unit Leader

URS Corporation

1600 Perimeter Park Drive

Suite 400

Morrisville, NC 27560

919.461.1242 Office

919.949.2950 Cell

This e

‐ mail and any attachments contain URS Corporation confidential

information that may be proprietary or privileged. If you receive this

message in error or are not the intended recipient, you should not retain,

distribute, disclose or use any of this information and you should destroy

the e

‐ mail and any attachments or copies.

(See attached file: ERT HCl Spreadsheetl Lafarge_Alpena.xlsx)Worksheet Title: HCl Emission Test Results Template Using Method 321

Who Should Complete this Spreadsheet?

Company Name:

Facility Name: Alpena

Address: 1435 Ford Avenue

City: Alpena

State: Michigan

Kiln ID:

Kiln Type: Long Dry

In-line Raw Mill:

Control Device Configuration:

Parameter Sample #1

Sample #2

Sample #3

Test Average Units Units Other Description Test Method Used Test Location Note

Select appropriate unit

from list. If other is

selected please describe

units in column H at right. Enter the name of the Test Method used. Indicate whether the test

occurred upstream or

downstream of a control

device(s); list the control

device(s) If kiln has an in-line raw mill,

indicate raw mill status during tests

(i.e., raw mill on or raw mill off).

Provide any other information

supporting information you think is

necessary about this test report.

Sample Date (mm/dd/yyyy) 3/25/2010 3/25/2010 3/25/2010

HCl Concentration - as measured - dry basis 34.84 33.79 29.55 ppmvd

Oxygen Concentration - dry basis 6.22 5.96 6.18 % (dry)

CO2 Concentration - dry basis 23.35 23.63 23.24 % (dry)

HCl Concentration - corrected to 7% oxygen 32.99 31.43 27.91 ppmvd @ 7% O2 Method 321 Downstream NA

Exhaust Stream %Moisture 5.87 5.56 5.25 %

Exhaust Flowrate 146090 144187 145502 SCFM

Exhaust Temperature ~ 400 ~ 400 ~ 400 degrees F Based on preliminary Velocity Traverse on 3/24/2010

Sample Date (mm/dd/yyyy)

HCl Concentration - as measured - dry basis N/A N/A N/A ppmvd

Oxygen Concentration - dry basis N/A N/A N/A %

CO2 Concentration - dry basis N/A N/A N/A %

HCl Concentration N/A N/A N/A ppmvd @ 7% O2

Exhaust Stream %Moisture N/A N/A N/A %

Exhaust Flowrate N/A N/A N/A (select flowrate units)

Exhaust Temperature N/A N/A N/A (select temperature units)

Notes: Fabric Filter

Enter HCl concentration value in dry

parts per million volume (ppmvd). If the

test results are below detection limit,

please note the detection limit in

brackets

(e.g., [< 0.010]).

Peach shaded cells indicate areas where the user will enter a response K23 Facilities that use Method 321 to test for HCl

Lafarge North America

No

Enclosure 5c--ERT Spreadsheet Page 1 of 1