EPA Method 525 Spike C

4-Hydroxyphenylacetic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 156-38-7

TRIS-Tetraphenylrecorcinol bis(diphenylphosphate) Trimer, 99% (LC)

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9