Methylarsonic acid, 100mg

2,3',4,4'-Tetrachlorobiphenyl, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 32598-10-0

1,2-13C2 15N-Glyphosate, 100 µg/ml, Water, 1ml

Ethanol standard in water,3.0g/L,water, 3mL