| http://www.w3.org/ns/prov#value | - 10 ppmTotal trihalomethanes (TTHMs)Total trihalomethanes constitute the sum of four disinfection byproducts: chloroform, bromodichloromethane, dibromochloromethane, and bromoform.4.6 ppb8.5 ppbNo9.8 ppbNo80 ppbBarium (total)Barium is a mineral that enters drinking water through drilling and mining waste runoff, discharges from chemical industries and erosion of natural deposits.85 ppb90 ppbNo700 p
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