Perfluoro-3-methylheptanoic acid, 1.2ml x 50ug/ml, methanol

Pyridaben-d13 (4-tert-butyl-d9-benzyl-2,3,5,6-d4),100 µg/mL,acetonitrile,1mL,

EPA Method 502/524 Volatile Standard

4-Phenyldibenzofuran, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 74104-10-2