In the Matter of: Water Quality Triennial Review: Amendments to 35 Ill. Adm. Code 302.208(e)-(g), 302.504(a), 302.575(d), 303.444, 309.141(h); and proposed 35 Ill. Adm. Code 301.267, 301. 313, 301.413, 304.120, and 309.157
Donald Massier, Vice PresidentDonald Markgraf, ClerklTreasurerLloyd Hawks, TrusteeRoger Erkert, TrusteeDean Falkner, District DirectorMarch 1, 2002RECEIVEDCLERK’S OFFw~rMAR 5 2002STATE OF IWNOISPollution Control BoardRE: Support for IEPA Carbonaceous BOD ProposalBefore the IPCBDear Ms.
It has further been demonstrated that while the nitrogenous interference is sufficiently
high to need correction, it is nevertheless a small portion of the total BOD from nitrogenouscompounds.’ Consequently, in 1984 the USEPA authorized the use of CBOD for determiningsecondary treatment process efficiencies.
The BOD tests by theirvery nature, have a large standa...
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