Precision and Recovery Solution, 1.2ml, nonane

2',3,4',5,5'-Pentachloro-4-[13C12]biphenylol, 1.2ml x 50ug/ml, toluene

2,5-Dimethyldiphenylsulfide, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16704-47-3

Anthracene, 100µg/mL in Acetonitrile, 1ml