This notice describes procedures that will be used to ensure that pesticide label ingredient statements reflect percentages of ingredients determined by the most specific analytical techniques approved by the Association of Official Analytical Chemists (AOCA). These procedures potentially affect all registrants, since AOCA methods for a wide range of chemicals are continually being reviewed and modified.

• PRN 81-4: Label Improvement Program - Label Revisions to Accommodate New AOAC Methods of Chemical Analysis (PDF)(4 pp, 200 K)