ASTM D7898-14 - 15.1.2014
 
1. Scope

1.1 This practice is intended to cover the extraction, analysis, and information management pertaining to visible wear debris collected from oil system filters or debris retention screens. Further, it is intended that this practice be a practical reference for those involved in FDA.

1.2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.3 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

D7685-11(2022)

Standard Practice for In-Line, Full Flow, Inductive Sensor for Ferromagnetic and Non-ferromagnetic Wear Debris Determination and Diagnostics for Aero-Derivative and Aircraft Gas Turbine Engine Bearings

D7684-24

Standard Guide for Microscopic Characterization of Particles from In-Service Lubricants

D7720-21(2025)

Standard Guide for Statistically Evaluating Measurand Alarm Limits when Using Oil Analysis to Monitor Equipment and Oil for Fitness and Contamination

D7690-24

Standard Practice for Microscopic Characterization of Particles from In-Service Lubricants by Analytical Ferrography

F316-03(2019)

Standard Test Methods for Pore Size Characteristics of Membrane Filters by Bubble Point and Mean Flow Pore Test

D4175-24e1

Standard Terminology Relating to Petroleum Products, Liquid Fuels, and Lubricants (Includes all amendments and changes 11/19/2024).

TTCP-AER-TP3-TR01-2010

Guide for Filter Debris Analysis Published by the Technical Co-operation Program (TTCP), July 2010.

G40-25a

Standard Terminology Relating to Wear and Erosion (Includes all amendments and changes 12/8/2025).