EPA 537 UCMR3 Calibration Mix 2

CRM - 21 Component Metal Std.

2,3,3',4-Tetrahlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 74338-24-2

4,4’-Methoxychlor