American Water Works Association ... Samples taken from hot water heaters showed that from 60 to 95% of the total iron settles out in the water heater and that the remaining iron is less than 50% filterable through a 0.1 pm membrane filter.
|Title||:||Sequestering Methods of Iron and Manganese Treatment|
|Author||:||American Water Works Association|
|Publisher||:||American Water Works Association - 1990|