EPA Method 8270 Additionals

Acetochlor OA, 10mg

2,2',4,5'-Tetrabromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 243982-82-3

o-Xylene, 100µg/mL in MeOH, 1ml