ISA TR77.81.05 : 1995

1 Scope
2 Purpose
3 Definitions
4 CEMS RATA reporting
5 EDR record types for RATA data
6 CEM DAHS type
7 RATA data exchange
8 Recommendations
9 Conclusion
Annexes
A- References
B- RATA data exchange - Type 1 System
   B.1 Data file record structures - DAHS-Read/DAS Write
   B.2 Data file record structures - DAHS-Write/DAS Read
C RATA data exchange - Type 2 System
   C.1 Data file record structures - DAHS-Write/DAS Read
   C.2 Data file record structures - DAHS-Read/DAS Write
Figures
1 - Type 1 CEMS DAHS data flow diagram
2 - Type 2 CEMS DAHS data flow diagram

This technical report identifies the continuous emission monitoring system (CEMS) relative accuracy test audit (RATA) data that must be exchanged between source testers and source owners/operators for electronic reporting to the EPA to comply with 40 CFR 75 regulations.