EPA Method 507 - Performance Check Solution

2,4-D,1000 µg/mL,MeOH,1mL,

D4-1,2-Dichlorobenzene, 100mg

Methylnonylbenzene (Isomer mixture), 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 53657-85-5 / 18849-95-1 / 87630-23-7