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Detailed Information about APEDS to AIMS Numbering Conventions:
   

The conversion process consisted of taking the existing numbers for Stacks and Sources in the APEDS filing system and uniformly converting them to the AIMS numbering system.

Each APEDS stack was assigned an Activity number in AIMS. Beginning with PCP960001 for the lowest APEDS Stack number and incremented by one for each successive stack at the facility. The Activity number defines the type of activity (pre-construction permit, Operating permit, etc.), the year issued (96, 97, 98), and the sequence number of the activity (0001-9999). All APEDS data converted was assigned an activity type of PCP (pre-construction permit) with the year 96. The sequence must begin with 0001 and continue consecutively through 9999 for each similar activity type at one facility.

The APEDS Stack number became the AIMS Emission Unit number (U) and Emission Point number (PT). The APEDS Source number became the AIMS Operating Scenario number (OS). And the concatenation of the APEDS Stack number with both digits of the Source number (including leading zero) became the AIMS Equipment number (E). This schema allowed for the uniqueness of the numbering system required by AIMS.

 

APEDS

AIMS

Stack

Source(s)

Activity

Emission Unit

Emission Point

Operating Scenario(s)

Equipment Number(s)

001

01, 02, 03

PCP960001

U1

PT1

1, 2, 3

101, 102, 103

002

01, 02, 03

PCP960002

U2

PT2

1, 2, 3

201, 202, 203

004

01, 02, 05

PCP960003

U4

PT4

1, 2, 5

401, 402, 405


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