SECTION 252:690-3-56. Criteria long-term averages for the implementation of numerical criteria for toxic substances to protect the Fish and Wildlife Propagation beneficial use  


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  •   LTAA and LTAC are calculated using a 99% probability basis according to Equations F-8 and F-9, respectively. A CV of 0.6 is assumed unless a CV is determined from effluent data in accordance with 252:690-3-7. LTATOX is the more limiting of these two LTAs.
[Source: Added at 19 Ok Reg 1721, eff 6-13-02]