EPA 8240B Calibration Standard

2,2',3,3',5,6,6'-Heptabromodiphenyl ether, 1.2ml x 50ug/ml, nonane

d4 C29 alpha alpha alpha (20R)-Ethylcholestane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no.

Group 23 - Extractables, Neutral Chlorinated, 2.0mg/mL in CH2Cl2, 1ml