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Last Updated: Nov 16, 2017
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ASTM E938/E938M-12
Standard Test Method for Effectiveness of Liquid, Gel, Cream, or Shampoo Insecticides Against Adult Human Lice (Withdrawn 2017)
Standard Test Method for Effectiveness of Liquid, Gel, Cream, or Shampoo Insecticides Against Adult Human Lice (Withdrawn 2017)
E0938_E0938M-12
ASTM|E0938_E0938M-12|en-US
Standard Test Method for Effectiveness of Liquid, Gel, Cream, or Shampoo Insecticides Against Adult Human Lice (Withdrawn 2017)
Standard
E938/E938M Standard Test Method for Effectiveness of Liquid, Gel, Cream, or Shampoo Insecticides Against Adult Human Lice (Withdrawn 2017)>
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BOS Vol. 11.08 Committee E35
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Significance and Use
This test method should provide a consistent approach both in terms of test insects and test procedures for the gathering of efficacy data for pediculicides.
Data collection in this manner should be suitable for product development and comparison. In addition, it should be suitable for review by regulatory agencies.
Scope
1.1 This test method determines the effectiveness of pediculicidal materials in liquid, gel, or cream form, against the adult human louse, Pediculus humanus humanus, the surrogate subspecies for the human head louse (P.h. capitis). (Only gels or creams that liquefy at 32°C [90°F] can be tested).
1.2 This test method is for the use of those wishing to develop efficacy data on adult lice.
1.3 This test method consists of five replicates for a statistical comparison of formulations.
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.
1.5 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.