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Instrumentation and Control 211

11.0 FINAL NOTES

Facilities should regularly review and renew existing systems, even though such con-
siderations are often made only during the initial design of an instrument and con-
trol system or during initiation of a capital construction project. Although an installa-
tion may have met initial requirements when installed, equipment failures and
obsolescence must be considered and managed.
This chapter provides an overview of industry and U.S. EPA requirements and
practices for continuous instrument systems and data quality and integrity require-
ments. Local, state, national, and international requirements are in a constant state of
flux, however, and should be consulted.

12.0 SUGGESTED READINGS
Stultz, S. C. (1972) Controls for Steam Power Plants. In Steam: Its Generation
and Use; 38th ed.; Kitto, J.D., Ed.; Babcock and Wilcox Company: Lynchburg,
Virginia.
Harrold, D. (2006) Product Focus: Data Acquisition. Control Engineering. Jan 1.
Lipták, B. G. (2003) Instrumentation Engineers’ Handbook—Process Measurement and
Analysis. CRC Press: Boca Raton, Florida.
U.S. Environmental Protection Agency (1991) Standards of Performance for New
Stationary Sources; Code of Federal Regulations, 40 CFR, Part 60; U.S. Environ-
mental Protection Agency: Washington, D.C.
U.S. Environmental Protection Agency (1993) Standards for the Use or Disposal of
Sewage Sludge; Code of Federal Regulations, 40 CFR, Part 503; U.S. Environ-
mental Protection Agency: Washington, D.C.
U.S. Environmental Protection Agency (1996) Federal Operating Permits Programs;
Code of Federal Regulations, 40 CFR, Part 71; U.S. Environmental Protection
Agency: Washington, D.C.