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EXPERT REVIEW PANEL (ERP) FERTILIZERS

THURSDAY, MARCH 14, 2019 1:00 PM – 4:00 PM MEETING ROOM: SALON F/G GAITHERSBURG MARRIOTTWASHINGTONIAN CENTER GAITHERSBURG, MARYLAND 20878USA

EXPERT REVIEW PANEL CHAIR: WILLIAM HALL, TAMPA BAYANALYTICS

I.

WELCOME AND INTRODUCTIONS Expert Review Panel Chair

II. REVIEW OF AOAC VOLUNTEER POLICIES & EXPERT REVIEW PANEL PROCESS OVERVIEW ANDGUIDELINES Deborah McKenzie, Senior Director, Standards Development and Method Approval Processes, AOAC INTERNATIONAL and AOAC Research Institute FERTILIZER COMMUNITY UPDATE & CURRENT TRENDS The ERP and observers will discuss animal feeds, the regulations regarding fertilizer material in nutrient pollution amongst additional scientific topics of discussion relevant to the fertilizer community.

III.

1) INTERNATIONAL STANDARDS ORGANIZATION (ISO) UPDATE Presenter: Hugh Rodrigues, Vice President, Thornton Laboratories

IV.

PRESENTATION OF THE ISO & AOAC INTERNATIONAL PROCESS Deborah McKenzie, Senior Director, Standards Development and Method Approval Processes, AOAC INTERNATIONAL and AOAC Research Institute

V. PRESENTATION UPDATE OF CURRENT APPROVED FERTILIZERMETHODS The method authors will present a brief presentation update of their current methods and the next stages of moving the methods forward for recommendations of AOAC Final Action Official Methods status an ISO.

1) OMA 2015.15: Nitrogen, Phosphorus and Potassium Release Patterns of Slow- and Controlled-Release Fertilizers Presenter & Method Author: William Hall, Tampa Bay Analytics

2) OMA 2015.18: Phosphorus and Potassium in Commercial Inorganic Fertilizers Presenter & Method Author: James Bartos, Office of Indiana State Chemist 3) OMA 2017.08: Total Sulfur Presenter & Method Author: Mark Larson, Elementar Americas

4) OMA 2017.02: Simultaneous Determination of Arsenic, Cadmium, Calcium, Chromium, Cobalt, Copper, Iron, Lead, Magnesium, Manganese, Molybdenum, Nickel, Selenium, and Zinc in Fertilizers Presenter: Expert Review Panel Chair/Method Author: Sharon Webb, University of Kentucky

VI.

DISCUSS UPCOMING MEETINGS AND VOLUNTEER ROLES

VII.

ADJOURNMENT

03/08/2019

AOAC INTERNATIONAL ● 2275 RESEARCH BLVD, SUITE 300 ● ROCKVILLE, MARYLAND 20850 USA