2,3,5-Trichlorobiphenyl,100 µg/mL,isooctane,1mL,

Atrazine-2-hydroxy, 100 µg/ml, Methanol, 1ml

Acenaphthylene-d8, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 93951-97-4

Acetaminophene-d3 (Paracetamol-d3), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 60902-28-5