A prefabricated dual-stage filtration system was installed at Freestone, California, as a demonstration project under the US Environmental Protection Agency Small System Technology Initiative. This technology was shown to be a cost-effective compliance option for this community of approximately 70 people which had a long history of microbiological contamination and boil water orders. The dual-stage filtration system consistently produced water with turbidity well below 0.5 NTU from source water averaging monthly turbidities of 4.25-23 NTU. The equipment manufacturer's local independent dealer obtained certification as a California Grade 2 water treatment plant operator and provided O
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Published: 01/01/1994 ISBN(s): 0898677742 Number of Pages: 15File Size: 1 file , 1.2 MB