Extended Calibration/Low Level Solution, 500ul, nonane

(±)-Chlorophacinone-d4 (indanedione-4,5,6,7-d4)

PAH Mixture C 0263,20 Benzo[b]fluoranthene 0265,20 Benzo[k]fluoranthene 0239,20 Benzo[a]pyrene 0222,22 Benzo[ghi]perylene 0277,22 Indeno[1,2,3-cd]perylene Concentration: 400 µg each/mL in methanol Units: 2mL screw-cap bottles

Heptachlor-endo-epoxide (trans-, isomer A), certified, 10mg