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did I just read
in that study
that some bottle bac are packaged with 12 ppm ammonia. I would have never thought to look in the most obvious places for locations where concentrations above 5 ppm isn't lethal. we'd been collecting only online posts for that so far
in that study
that some bottle bac are packaged with 12 ppm ammonia. I would have never thought to look in the most obvious places for locations where concentrations above 5 ppm isn't lethal. we'd been collecting only online posts for that so far
