D5-Benzoic acid, 500mg

Hexachloro-1,3-butadiene-13C4,100 µg/mL,isooctane,1mL,

2,2',3,3',4',5,6-Heptachlorobiphenyl (177)

Ethofumesate, 10µg/mL in Acetonitrile, 10ml