FDA posts Laboratory Information Bulletins of interest to the public.
- LIB4562 - Analysis of sulfonamides, trimethoprim, fluoroquinolones, quinolones, triphenylmethane dyes
- LIB4623 - Determination of N-nitrosonornicotine (NNN) in Smokeless Tobacco and Tobacco Filler by HPLCMS
- LIB4620 - Determination of N-nitrosonornicotine (NNN) in Smokeless Tobacco and Tobacco Filler by HPLCMS/MS : Revised March 2017
- LIB4443 - Optimization and Validation of Multi-class, Multi-residue LC-MS/MS Screening and Confirmation Method for Drug Residues in Milk
- LIB4475 - Screen for the Presence of Polycyclic Aromatic Hydrocarbons in Select Seafoods Using LC-Fluorescence
- Determination of Dioctylsufosuccinate in Select Seafoods