PCB No. 157, 10µg/ml in Isooctane, 10ml

2,2',3,3',4,4',6-Heptachlorobiphenyl (171)

o,p'-Methoxychlor, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30667-99-3

Molybdenum, 1000µg/ml in in 0.5%-NH4OH / H2O,100ml