SAMPLE LABORATORY INFORMATION BULLETINS

3929 -  Determination of Organophosphorus Pesticides 
        in Whole/Chocolate/Skim-Milk
        and Infant Formula Using SPE with Capillary GC/FPD
        D. Ronald Erney

3937 -  Detection, Quantification and Confirmation of Myclobutanil (Systhane) 
        in Strawberries by Ion Trap Technology
        Walden Lee, Kin S. Chin and Thomas Cairns

3966 -  The Determination of Free Undecylenic Acid and Undecylenic 
        Acid Zinc Salt in Food Powder Using HPLC and Atomic Absorption
        Diane T. OBrien

3972 -  Isolation of Mycotoxins Using Extracting Disk
        Yuhong Z. Zhao, George M. Ware, Shia S. Kuan and 
        Allen S. Carman

3978 -  An HPLC Determination Step for Primidone Tablet Dissolution
        Andrew G. Agnew

3982 -  Analysis of Guanabana Juice for Its Toxic Seeds
        Brenda C. Cox and Reno D. Bradicich

3991 -  GC-MS Confirmation of Bitertanol in Bananas
        Carl N. Syvertson and Harold C. Thompson Jr.

3994 -  Further Investigation of Chromium Determination in 
        Surgical Stainless Steel: Interferences Noted for High-Carbon Steels
        John B. Crowe, Barbara S. Barnes, Douglas
        T. Heitkemper, S. Frank Platek and Karen A. Wolnik