EPA Method 508A DCB Stock Solution

POE (20) Nonylphenol,neat,neat,100mg,

Tentoxin, 100µg/mL, Solvent-dried down, Unit 1mL, # of units-1, Cas.no. 28540-82-1

2-Isobutyl-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 13925-06-9