CWA Hexavalent Chromium

Naphtho[1,2-k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 238-04-0

Alachlor OA, 100µg/ml in MeOH, 1ml

2,3,3',4,5'-Pentachlorobiphenyl ,100 µg/mL,isooctane,1mL,