EPA Method 8270C Mix #26

1-n-Propyl-2-phenylbenzimidazole,neat,neat,10mg,

trans-Hydroxy Praziquantel, 10mg

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