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1.1 This test method covers the testing of any surface that may be exposed to liquid chemical(s).

1.2 This test method is not designed for immersion testing conditions or material edge attack.

1.3 This test method is designed for evaluation of visual changes. In certain instances physical (non-visual) changes may occur and functional testing may be appropriate.

1.4 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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.

3.1 The specific chemical(s) selected is at the discretion of the customer and vendor.

3.2 Variations in results may be expected due to different rates of chemical evaporation. The use of a watchglass with sealed edges is intended to curtail or eliminate evaporation of the chemical.