ASTM D4460-97 PDF

1.1 This practice describes techniques for calculating precision limits when values are calculated from two other methods having precision limits.

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use .