BS 4172-2:1993

Committees responsible
Foreword
Method
Introduction
1 Scope
2 References
3 Definitions
4 Principle
5 Materials and apparatus
6 Sampling and treatment of the candidate
7 Procedure
8 Calculation and expression of results
9 Test report
Annexes
A (informative) Recommended method for breeding
     houseflies
B (normative) Method for preparation of the reference
     dispensers
C (normative) Method for determination of the
     S-bioallethrin and bioresmethrin content of the
     reference dispensers
D (normative) Method for determination of droplet
     size distribution of the aerosol from the
     reference dispenser
E (informative) Example of a statistical treatment of
     results
F (normative) Method for determination of the spray
     pattern of the reference dispenser
Tables
1 Critical values for the 95 % two-tailed
     F-distribution
2 Values for the 95 % two-tailed t-distribution
A.1 Fresh larval medium
B.1 Composition of filling solution
B.2 Composition of aerosol formulation
E.1 Example of KT50 results
E.2 Mean log10 values and standard errors
E.3 Results on natural scale
E.4 Example of 24 h knockdown results
E.5 Mean arcsin results and standard errors
E.6 Results on natural scale
E.7 Examples of KT50 results just sufficient to achieve
     conformity
E.8 Examples of 24 h knockdown just sufficient to
     achieve conformity
Figures
E.1 Candidate passes the assessment
E.2 Candidate fails the assessment
E.3 Indeterminate outcome demonstrating need for an
     extended study
List of references