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This document is a technical schematic labeled 'Desalination Process Flow Diagram' detailing the infrastructure for converting Atlantic Ocean seawater into potable water. It outlines four main stages: Source/Pre-Treatment (using screens, filtration, and chemicals like Chlorine and Coagulants), Membranes (1st and 2nd Reverse Osmosis passes), Post-Treatment (chemical additions and storage), and Residuals management (sludge thickening and landfill disposal). The document contains a Bates stamp 'HOUSE_OVERSIGHT_016646', suggesting it was gathered as evidence regarding property infrastructure (likely an island property) during a congressional investigation.