SECTION 252:690-3-22. Toxicity-based permit limit development for ammonia

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Toxicity-based permit limitations are determined using the chronic screening value of 6 mg/l, a CV of 0.6, a zero background concentration (unless known to be otherwise), the regulatory flows described at OAC 252:690-3-52, and chronic mixing zone equations described at OAC 252:690-3-55 through 3-57. The toxicity-based MAL is based on a monitoring frequency of 3/week.

[Source: Added at 19 Ok Reg 1721, eff 6-13-02]

                    
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