Units that receive no treated water from your Water Authority have only Normally developing amounts of fluoride. Utmost Contaminant Amount Intention (MCLG) - The level of the contaminant in ingesting water below which there isn't a known or expected chance to health. MCLGs let for just a margin of protection https://dominickbqfbr.madmouseblog.com/8569931/everything-about-environmental-compliance-consulting-in-long-beach