1.1These test methods cover the determination of the operating characteristics of reverse osmosis devices using standard test conditions and are not necessarily applicable to natural waters. Three test methods are given, as follows:

	Sections

Test Method A-Brackish Water Reverse Osmosis Devices	8 - 13
Test Method B-Nanofiltration Devices	14 - 19
Test Method B-Seawater Reverse Osmosis Devices	20 - 25

1.2This 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.