ASTM-E2414 Standard Test Method for Quantitative Sporicidal Three-Step Method (TSM) to Determine Sporicidal Efficacy of Liquids, Liquid Sprays, and Vapor or Gases on Contaminated Carrier Surfaces (Withdrawn 2014)

ASTM-E2414 - 2005 EDITION - CANCELLED
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Standard Test Method for Quantitative Sporicidal Three-Step Method (TSM) to Determine Sporicidal Efficacy of Liquids, Liquid Sprays, and Vapor or Gases on Contaminated Carrier Surfaces (Withdrawn 2014)

Scope

1.1 This test method determines the efficacy of sporicidal agents on microorganisms dried on the surface of solid carriers.

1.2 This test method can be used to evaluate sporicidal products (or decontaminant, disinfectant, and so forth), suspected, claimed, or assumed to have sporicidal activity. This test method allows:

1.2.1 Establishing the sporicidal efficacy of different disinfectants;

1.2.2 Identifying the effect, if any, of the surface materials on sporicidal efficacy; and

1.2.3 Comparing the relative resistance to disinfection of different microbial species or strains.

1.3 The values stated in SI units are to be regarded as the standard.

1.4 Strict adherence to the protocol is necessary for the validity of the test results.

1.5 Follow all the safety guidance of the institution in which the testing is being conducted. 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.

Significance and Use

The quantitative micromethod described herein was designed to fulfill the following specifications:

4.1.1 To be quantitative (the number of viable spores loaded into carriers is determined by the spores quantitatively recovered in the controls),

4.1.2 Sensitive (sporicidal activity can be accurately measured up to 7 Log10 inactivation, see Section 12),

4.1.3 Reproducible (standard deviation of spore killing is smaller than 1 Log and usually closer to 1/10 of a Log, see Section 12),

4.1.4 Rapid (except for the overnight culture, it can be completed within 4 h),

4.1.5 Economical (being a micromethod, it uses carriers, dishes, and plastic wares that are small, inexpensive, and disposable), and

4.1.6 Environmentally friendly (using a microlitre volume of disinfectant agent, the test method can be considered for all practical purposes as nondestructive).

Keywords

biodefense; biological protection; carrier surfaces; decontamination; disinfection; liquid sterilization; microbicidal effect; sporicidal efficacy; ICS Number Code 11.080.01 (Sterilization and disinfection in general)

To find similar documents by ASTM Volume:

15.08 (Sensory Evaluation; Vacuum Cleaners; Security Systems and Equipment; Detention and Correctional Facilities; Homeland Security Applications)

To find similar documents by classification:

11.080.01 (Sterilization and disinfection in general Including sterilization methods, air quality of surgery rooms, etc.)

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Document Number

ASTM-E2414-05

Revision Level

2005 EDITION

Status

Cancelled

Modification Type

Withdrawn

Publication Date

June 15, 2005

Document Type

Test Method

Page Count

9 pages

Committee Number

E54.03