Code of Federal Regulations > Title 40 > Chapter I > Part 439 > Appendix Appendix A

Regulations last checked for updates: May 02, 2024

Title 40 - Protection of Environment last revised: Jun 26, 2024

Appendix Appendix A - Appendix A to Part 439—Tables

Table 1—Surrogate Parameters for Direct Dischargers

[Utilizing biological treatment technology]

¹ These parameters may be used as a surrogate to represent other parameters in the same treatability class.

² Surrogates have not been identified for the “Miscellaneous” treatability class.

Table 2—Surrogate Parameters for Indirect Dischargers (Utilizing Steam Stripping Treatment Technology)

¹ These parameters may be used as a surrogate to represent other parameters in the same treatability class.

[63 FR 50437, Sept. 21, 1998; 64 FR 10393, Mar. 4, 1999, as amended at 68 FR 12275, Mar. 13, 2003]

authority: 33 U.S.C. 1311,1314,1316,1317,1318,1342

source: 48 FR 49821, Oct. 27, 1983, unless otherwise noted.