The maximum contaminant level (mcl) set by the epa of cadmium in drinking water is 0.0050 mg/l . convert the mcl of cadmium from milligrams per liter to parts per billion (ppb). converted mcl of cadmium: 5 ×10 6 ppb a farmer recently dug a new well for his property. he sends a 10.0 ml sample of the well water to the epa to be tested for the presence of cadmium. what is the maximum amount of cd (in μg ) that can be present in this 10.0 ml sample based on its mcl? maximum amount of cd : μg suppose the farmer rethinks his plan and digs a new well on the other side of his property. he sends in a new 10.0 ml sample. after testing, the epa determines that the sample of water contains 0.00139 μg/ml cd . is the cadmium level of the new well water safe to consume? yes no not enough information