PSA-Mix 1

13C2,15N2-Metronidazole, 10mg

Musk xylene, 100µg/ml in Cyclohexane, 1ml

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