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- [22] Second national needs survey pegs drinking water infrastructure costs at $150.9 billion JOURNAL AMERICAN WATER WORKS ASSOCIATION, 2001, 93 (04): : 26 - +
- [29] Report Forecasts Water Treatment Equipment Market Worth $13 Billion by 2017 GROUND WATER MONITORING AND REMEDIATION, 2014, 34 (01): : 26 - 26