2,3,3',4',5-Pentachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane

p-Xylene, 1000µg/ml in MeOH, 1ml

1,2,3-Tricaproylglycerol, 1000µg/mL, Solvent-dry pyridine, Unit 10mL, # of units-1, Cas.no. 621-71-6

EPA Method 533 Isotope Dilution Standard PDS, in MeOH, 1,2ml