Pesticide Analytical Manual Vol. I APPENDIX I/PROTOCOL B Fortify duplicate portions of food samples with 1-2 mL acetone solution of acid /phenol reference standard at 10 times tolerance levels or, if no tolerance exists, at 0.5 ppm Perform complete analysis as described in Section 402, using extraction module appropriate to commodity. Calculate percentage recovered against methyl ester/ether reference standard, if available, or reference standard previously methylated in laboratory, if necessary REPORTING RESULTS Report all results on copy of Reporting Form B. An asterisk ()appears on form wherever name of tested chemical should be entered Form FDA 2905a (6/92 Appendix -11
Pesticide Analytical Manual Vol. I APPENDIX II/PROTOCOL B Appendix II–11 Transmittal No. 94-1 (1/94) Form FDA 2905a (6/92) • Fortify duplicate portions of food samples with 1-2 mL acetone solution of acid/phenol reference standard at 10 times tolerance levels or, if no tolerance exists, at 0.5 ppm. • Perform complete analysis as described in Section 402, using extraction module appropriate to commodity. Calculate percentage recovered against methyl ester/ether reference standard, if available, or reference standard previously methylated in laboratory, if necessary. REPORTING RESULTS Report all results on copy of Reporting Form B. An asterisk (*) appears on form wherever name of tested chemical should be entered
APPENDⅨ/ PROTOCOL E Pesticide Analytical Manual Vol I APPENDIX‖12
Transmittal No. 94-1 (1/94) APPENDIX II-12 Form FDA 2905a (6/92) APPENDIX II/PROTOCOL B Pesticide Analytical Manual Vol. I