Internal standard 2, 2000g/ml in MeOH, 1ml

Brombuterol hydrochloride, 10mg

2,2',4,4',5-Pentachlorobiphenyl, 100µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 38380-01-1

(Use Part# 82423) EPA Method 8240A Mix #3