Organometallic Butyltin Chloride, 2000 µg/mL in CH2Cl2, 1ml

EPA Method 533 Native Primary Std. (br/linear mix), 500ng/ml in MeOH, 1,2ml

2-Ethyl-5-methyl- and 2-ethyl-6-methylpyrazine, Isomer mixture, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-, Cas.no.

PCB 195, 5mg