Endosulfan sulfate (13C9), 100µg/mL in Nonane, 1,2

Dichlorprop-d3,100 µg/mL,acetone,1mL

n-Propyl gallate (PG)

2H,2H,3H,3H-Perfluoroundecanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 34598-33-9