PCB No. 50, 100µg/ml in Isooctane, 1ml

Hippuric acid, 100mg

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 1x10mL, 5x10mL

D3-Thiamethoxam, 100 µg/ml, Acetone, 1ml