Case Study #5 UVB Well Fouling • Long Island Superfund Site • Stringent permitting requirements • Fouling caused by iron related bacteria • 0.6 mg/l Fe max, system failed in two weeks • Initial treatment: polyphosphateCase Study #5 (cont’d) • Successful treatment program: Redux 601 • Bio-dispersant • Iron sequesterant • Wellhead injection • Continuous treatment • Uninterrupted operation now for 3+ years

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