Azithromycin, 1000µg/ml in MeOH, 1ml

EPA 8041A Surrogate Standard PFB-derivatives S-4373 1mg/mL in isopropanol, 1 mL, 5 x 1mL, 5mL 2,4-Dibromophenol-PFB

Fenthion, 100 µg/ml, Toluene, 1ml

N-Nitrosodiethylamine