Magruder presentations at various meetings

2019, AAPFCO Winter Meeting and Methods Forum, Albuquerque, NM

AAFCO Reports Magruder Administrative Update, Sikora

2018, AAPFCO Summer Meeting, Fort Lauderdale, FL

AAFCO Reports Magruder Administrative Update, Sikora
AAFCO Reports Investigational Allowances: Relationship to Magruder % RSDs, Crawford
AAFCO Reports Investigational Allowances: IA ratio and probability of getting it right, Crawford

2018, AAPFCO Winter Meeting and Methods Forum, Savannah, GA

AAFCO Reports Magruder Administrative Update, Sikora
AAFCO Reports Using Magruder Data: More Than Just a Report Card!, Crawford
AAFCO Reports Two new IA based metrics for Magruder Reports, Crawford
AAFCO Reports Magruder Data Reporting Website: Proposals for Limits and Removing Save Button, Crawford
AAFCO Reports IA ratios for N, P2O5, and K2O in Magruder Data, Sikora

2017, AAPFCO Summer Meeting, Bellevue, WA

AAFCO Reports Magruder Administrate Update, Sikora
AAFCO Reports Uncertainty in Lab Results, Sikora
AAFCO Reports Proposed New IA Based Metrics for Magruder Reports, Crawford
AAFCO Reports Considerations for using IA as and industry standard allowed dispersion, Crawford
AAFCO Reports IA factors plotted, Sikora
AAFCO Reports Proposed Consensus Reports, Crawford

2017, AAPFCO Winter Meeting and Methods Forum, New Orleans, LA

AAFCO Reports Magruder Administrate Update, Sikora
AAFCO Reports Magruder Proficiency Test Program, Sikora
AAFCO Reports Magruder Updates, Hall
AAFCO Reports Magruder Statistics: Homogeneity Screening, Crawford
AAFCO Reports Magruder 2016 Year End Summary, Crawford
AAFCO Reports Measurement Uncertainty, Hickes

2016, AAPFCO Summer Meeting, Pittsburgh, PA

AAFCO Reports Magruder Administrative Update, Sikora
AAFCO Reports Data Analysis: Total S, Sikora

2016, Association of Southern Feed, Fertilizer, and Pesticide Control Officials, Lexington, KY

AAFCO Reports The Magruder Program for Evaluating and Improving Laboratory Performance in Fertilizer Analysis, Sikora

2016, Midwestern AOAC meeting, Sioux Falls, SD

AAFCO Reports Changes in the Magruder Program for Fertilizer Proficiency Testing, Sikora

2016, AAPFCO Winter Meeting and Methods Forum, Albuquerque, NM

AAFCO Reports Magruder Administrative Update, Sikora
AAFCO Reports Value of a Proficiency Test Program, Sikora
AAFCO Reports Sample Homogeneity Testing, Crawford

2015, Fertilizer Administrator Seminar

AAFCO Reports Magruder Check Sample Program. Whats new? What to look for?, Bartos