Formaldehyde-DNPH Level 2 (0.5ug/mL)

2-Methoxy-3-methylpyrazine, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no. 2847-30-5

D4-Thiacloprid, 100 µg/ml, Acetonitrile, 1ml

Methanol QC Reference Mixture III n-Butyl sulfide, 0.5 ppm (weight S by weight) in 99.9 % methanol; units: 10x10mL