I thought the max in the Best Guess table was the upper limit for safe swimming (e.g. 6 ppm for a CYA level of 30-50 ppm). That certainly seems to be implied by the use of the word max.
I thought the max in the Best Guess table was the upper limit for safe swimming (e.g. 6 ppm for a CYA level of 30-50 ppm). That certainly seems to be implied by the use of the word max.
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