D4-Imidacloprid, 100 µg/ml, Acetone, 1ml

Methanol QC Reference Mixture II 10 Analytes, each 200 ppm in 99.9 % methanol; units: 1x10mL, 5x10mL Chiron No. Name Chiron No. Name 1381.2Methyl formate 1370.5 3-Pentanone 1377.4 2-Butanol

Atrazine-desethyl 100 µg/mL in Acetonitrile, 1ml

1-Hydroxypyrene, 10mg