4,4'-DDT, 10.0 µg/ml, Ethyl acetate, 10ml

Matrix Spiking Solution, 1.2ml, nonane

O-Desmethyl tramadol-d6 (racemic) , 100µg base/mL, Solvent-methanol, Unit 1mL, # of units-5, Cas.no. 16412-54-7

1-Fluoronaphthalene, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 321-38-0