I am making a complex monitoring configuration change. Is there any guidance about how to complete these changes?

 

This FAQ is intended to provide a guide for users to follow when implementing monitoring plan (MP) unit/stack configuration changes using the ECMPS Client Tool.  Using the example described below, this document will describe the needed changes step by step and provide guidance on the reporting of start and stop dates for unit/stack associations, methods, systems, and components.  As part of this review, the user may identify potential problem areas where it may be necessary to contact EPA for further assistance in determining dates or resolving critical evaluation errors.

 

Example:

A facility began the 2009 reporting year with five units (labeled 1, 2, 3, 4, and 5) emitting through a common stack designated CS001.  Over the course of four reporting quarters the facility retired the CS001 stack, units 3, 4, and 5 began emitting through a new stack designated CS035, and units 1 and 2 began emitting through a new stack designated CS012.  No bypass stacks are present and all changes were completed within the 2009 reporting year.  

 

 

 

 

Original Stack

Emissions End Date

New Stack

Emissions Start Date

Unit 5

CS0001

March 14

CS035

April 20

Unit 4

CS0001

April 25

CS035

May 25

Unit 3

CS0001

May 30

CS035

June 19

Unit 1

CS0001

September 12

CS012

October 19

Unit 2

CS0001

October 24

CS012

November 23

 

  • The last day for emissions out the old CS001 stack was October 24, 2009 (when unit 2 began its outage).

2009 Q1 

  • No changes to the monitoring plan are needed this quarter. 

2009 Q2 

  • Stack CS035 is added to the monitoring plan with a begin date of 04/01/2009.
  • All necessary supporting information for stack CS035, such as methods, systems, components, spans, etc., are entered with at start date of 04/01/2009.
  • Monitoring plan changes needed for the units are shown in the table below:

 

 

CS001 Unit/Stack Configuration End Date

CS035 Unit/Stack Configuration Begin Date

Unit 5

3/31/2009

4/1/2009

Unit 4

4/25/2009

4/26/2009

Unit 3

5/30/2009

5/31/2009

 

  • The emissions file submitted for Q2 will be one large file containing units/stacks CS001, CS035, 1, 2, 3, 4, 5.

2009 Q3

  • No changes to the monitoring plan are needed this quarter. 
  • Two Q3 emissions files will be submitted for the facility:

o    CS035, 3, 4, 5

o    CS001, 1, 2

2009 Q4

  • Stack CS012 is added to the monitoring plan with a begin date of 10/19/2009.
  • All necessary supporting information for stack CS012, such as methods, systems, components, spans, etc., are entered with a start date of 10/19/2009.
  • Monitoring plan changes needed for the units are shown in the table below:

 

 

CS001 Unit/Stack Configuration End Date

CS012 Unit/Stack Configuration Begin Date

Unit 1

10/18/2009

10/19/2009

Unit 2

11/22/2009

11/23/2009

 

  •  Two Q4 emissions files will be submitted for the facility:

o    CS001, CS012, 1, 2

o    CS035, 3, 4, 5

2010 Q1

  • All monitoring plan configuration changes were completed in Q4. 
  • Going forward, two emissions files will be submitted for the facility:

o    CS012, 1, 2

o    CS035, 3, 4, 5

 

Additional Considerations 

To calculate the Year-To-Date (YTD) and Current Reporting Period Totals at the unit level, add the parameter values apportioned to the unit from the common stack(s) to the unit monitor level parameter totals to arrive at the summary values.  For example, if a unit begins the quarter attached to a common stack with heat input apportionment and transitions to a single unit stack configuration with monitored heat input during the quarter, calculate the heat input total for the current reporting period by adding any heat input apportioned to the unit from the common stack to the unit level monitored heat input value. 

 


Tags: data, monitoring

Last update: 2016-06-23 19:17