EPA Method 8061A Matrix Spike Solution

Perfluoro-n-[3,4,5-13C3]pentanoic acid, 1.2ml x 50ug/ml, methanol

(+/-)-Normetanephrine hydrochloride,1000 µg base/mL,MeOH,1mL,

n-Pentyl iso-pentyl phthalate (n-Pentyl 3-methlybutyl phthalate), neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 776297-69-9