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Scope

1.1 This practice describes an evaluation procedure for the determination of performance characteristics of qualitative chemical spot test kits for lead, as applied to dry paint films, for a given dry paint film matrix on a given substrate.

1.2 This practice may be used to determine the performance characteristics of a given lead spot test kit for a given synthetic or field dry paint film matrix, independent of substrate effects.

1.3 To allow for comparisons of different spot test kits on an identical matrix, this practice covers the determination of test kit performance characteristics on a synthetically prepared standard white lead-containing paint film. The ingredients for the preparation of a standard synthetic leaded paint film based on basic lead carbonate are described.

1.4 This practice is not intended for the evaluation of performance parameters of chemical spot test kits on all types of paint or paint conditions that may be encountered during field use (as described in E 1753). Rather, this practice addresses the evaluation of the response of a chemical spot test kit for lead as a function of lead concentration for a limited set of paint films. Evaluating the performance of a chemical spot test kit for a given application requires tests on a representative sample of paints and substrates found at the location(s) to be tested.

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.

Significance and Use

This practice is to be used to evaluate the performance of commercially available or laboratory prepared qualitative chemical spot test kits for lead in dry paint films.

This practice is generic in the respect that the protocol is applicable to any desired combination of spot test kit and paint sample matrix.

Performance parameters of interest in the evaluation include the identification limit of a particular test kit for a particular paint matrix, and the lead content in paint that gives a known degree of confidence for a negative or positive test result.

Keywords

lead; paint; performance characterist; performance criteria; spot test; statistical modeling; ICS Number Code 77.150.60 (Lead, zinc and tin products); 87.040 (Paints and varnishes)

To find similar documents by ASTM Volume:

04.11 (Building Constructions (I): E72 - E2110)

To find similar documents by classification:

77.150.60 (Lead, zinc and tin products)

87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)

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