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Normas ASTM – AENOR
ASTM D4621-99

ASTM D4621-99

Standard Guide for Quality Management in an Organization That Samples or Tests Coal and Coke

Fecha:
2017-08-16 /Historical
Superseeded by:
Scope:

1.1 This guide describes the essential aspects including the development of statistical process control (SPC) charts of an accountability and quality control program for a coal analysis laboratory.

1.2 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.

Keywords:
quality assurance; quality control; quality management
56,73
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