PART 3000
METALS
Part Coordinator
Randy A. Gottler
JOINT TASK GROUP CHAIRS FOR THE 22ND EDITION
3020 Quality Assurance/Quality Control ..................................................................Cindy A. Bamfield
3125 Metals by Inductively Coupled Plasma/Mass Spectrometry ....................................Robert Henry
3500-Cr Chromium .............................................................................................................Rock J. Vitale
SUMMARY OF MAJOR CHANGES SINCE 2005
Quality Assurance/Quality Control (3020) was significantly revised to stay abreast of regulatory
requirements and clarify the essential quality control practices for test methods in Part 3000.
Metals by Inductively Coupled Plasma/Mass Spectrometry (3125) contains updated QC require-
ments, including frequency and default limits, to make it consistent with current regulatory require-
ments. It also incorporates collision cell technology.
Chromium (3500-Cr) contains updated preservation requirements and extends the holding time for
hexavalent chromium.
The brief metal sections that do not contain methods in themselves (they merely refer users to
appropriate detection methods) have been combined into a new section: Other Metals (3500).
Also, many methods now refer users to the quality control practices that are considered to be an
integral part of the method.
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