Perchloric acid, sodium salt, 100µg/mL in Water, 1

Ethoprophos, 100µg/mL in Cyclohexane, 1ml

2,3',4-Tribromodiphenyl ether, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147217-77-4

6-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 16587-47-6