ASTM E979-91(1998)
Standard Test Method for Evaluation of Antimicrobial Agents as Preservatives for Invert Emulsion and Other Water Containing Hydraulic Fluids

Standard No.
ASTM E979-91(1998)
Release Date
1991
Published By
American Society for Testing and Materials (ASTM)
Status
Replace By
ASTM E979-91(2004)
Latest
ASTM E979-20
Scope

1.1 This laboratory test method is designed to evaluate the utility and effectiveness of antimicrobial agents intended to control microbial growth in invert emulsions and other water containing hydraulic fluids.

Note 1--Procedures for preparation of water soluble hydraulic fluids and recovery of organisms appear in Method E686.

1.2 This standard does not purport to address all of the safety problems, 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.

ASTM E979-91(1998) history

  • 2020 ASTM E979-20 Standard Practice for Evaluation of Antimicrobial Agents as Preservatives for Invert Emulsion and Other Water Containing Hydraulic Fluids
  • 2009 ASTM E979-09(2015) Standard Practice for Evaluation of Antimicrobial Agents as Preservatives for Invert Emulsion and Other Water Containing Hydraulic Fluids
  • 2009 ASTM E979-09 Standard Test Method for Evaluation of Antimicrobial Agents as Preservatives for Invert Emulsion and Other Water Containing Hydraulic Fluids
  • 1991 ASTM E979-91(2004) Standard Test Method for Evaluation of Antimicrobial Agents as Preservatives for Invert Emulsion and Other Water Containing Hydraulic Fluids
  • 1991 ASTM E979-91(1998) Standard Test Method for Evaluation of Antimicrobial Agents as Preservatives for Invert Emulsion and Other Water Containing Hydraulic Fluids



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