Parathion-methyl, 100 µg/ml, Ethyl acetate, 5ml

ASTM Method D2887 Calibration Sol., in chloroform, 1ml

5-HIAA-d2,neat,neat,10mg,

2,2',5,5'-Tetrabromobiphenyl, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 59080-37-4