ASTM D4472-89(2003)

ASTM D4472-89(2003) - 10.6.2003

1. Scope

1.1 This guide covers procedures for well-defined recordkeeping of reverse osmosis (RO) systems.

1.2 This guide includes a start-up report, recordkeeping of RO operating data, recordkeeping of pretreatment operating data, and a maintenance log.

1.3 This guide is applicable to waters including brackish waters and seawaters but is not necessarily applicable to wastewaters.

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

2. Referenced Documents

D4189-23	Standard Test Method for Silt Density Index (SDI) of Water
D3739-19	Standard Practice for Calculation and Adjustment of the Langelier Saturation Index for Reverse Osmosis
D1889-00	Standard Test Method for Turbidity of Water (Withdrawn 2007)
D1253-14(2021)e1	Standard Test Method for Residual Chlorine in Water (Includes all amendments and changes 12/6/2021).
D4194-23	Standard Test Methods for Operating Characteristics of Reverse Osmosis and Nanofiltration Devices
D1125-23	Standard Test Methods for Electrical Conductivity and Resistivity of Water
D1129-24	Standard Terminology Relating to Water
D6161-19	Standard Terminology Used for Microfiltration, Ultrafiltration, Nanofiltration, and Reverse Osmosis Membrane Processes
D4582-23	Standard Practice for Calculation and Adjustment of the Stiff and Davis Stability Index for Reverse Osmosis
D4195-23	Standard Guide for Water Analysis for Reverse Osmosis and Nanofiltration Application