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ASTM D4445-09a

ASTM D4445-09a

Standard Test Method for Fungicides for Controlling Sapstain and Mold on Unseasoned Lumber (Laboratory Method)

2010-12-31 /Historical
Superseeded by:
Significance and Use:

This test method is useful as a screening procedure for selecting fungicides or formulations for more rigorous field evaluation.


1.1 This (laboratory) test method is used for determining the minimum concentration of fungicide, or formulation of fungicides, that is effective in preventing biodeterioration by sapstain fungi and molds in selected species of wood under optimum laboratory conditions.

Note 1—From the results of this test, commercial treating solution concentrations cannot be estimated without further field tests.

1.2 The requirements for test materials and procedures are discussed in the following order:

Summary of Test Method4
Test Fungi9
Culture Media10
Preparation of Inoculum11
Preparation of Test Chambers12
Treatment of Samples13
Inoculation and Incubation14
Evaluation of the Test15

1.3 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.4 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.

fungicides; lumber; mold; sapstain; test method; Discoloration; Fungal influence/resistance; Lumber; Molds; Sapstain control; Spore suspension; Surface analysis--building construction materials/insulation; Toxicity/toxicology
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