4-Nonylphenol (techn.), 100µg/ml in MeOH, 5ml

Sulfur in Light Weight Mineral Oil - 0.10 Wt%

Dibenz[a,h]anthracene-d14, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-10, Cas.no. 13250-98-1

Dieldrin