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Subpart Q Process Unit Information for Units Monitored by CEMS

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Created by Peter Kobylarek, last modified on Feb 23, 2012

This page provides step-by-step instructions on how to enter and edit Subpart Q Iron and Steel Production process unit information for units that are monitored by CEMS.

Under Subpart Q, "process units" may include any of the following:

Taconite indurating furnace
Basic oxygen process furnace
Non-recovery coke oven battery
Sinter process
Electric arc furnace (EAF)
Decarburization vessel
Direct reduction furnace

Step 1: Add a process unit

To add a process unit that is monitored by CEMS, find the UNIT SUMMARY (Units Monitored by CEMS) table on the Subpart Overview page and click the link titled "ADD a CEMS Unit." When you report emissions information later you will have the opportunity to indicate or identify if a CEMS Monitoring Location (CML) is monitoring multiple units that may share a common stack.

To later edit information identifying a process unit, click the edit icon or the Name/ID link located in the first column of the table.

To delete a process unit, click the delete icon or red “x” located in the last column of the table.

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Step 2: Enter required information for the process unit

For each process unit monitored by CEMS at your facility, Subpart Q requires you to report the following information:

A unique name or identifier for the process unit, plus optional description of the unit
The type of process unit, selected from the following:
- Taconite indurating furnace
- Basic oxygen process furnace
- Non-recovery coke oven battery
- Sinter process
- Electric arc furnace (EAF)
- Decarburization vessel
- Direct reduction furnace

When you are finished entering all required information for the process unit, click SAVE.

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Step 3: Repeat Steps 1-2

Repeat Steps 1-2 until all process units monitored by CEMS have been added for your facility.

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Step 1: Add a process unit

Step 2: Enter required information for the process unit

Step 3: Repeat Steps 1-2

See Also