8-Methyl-2-naphthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 19393-87-4

1-(2,5-Dichlorophenyl)-3-methylurea

2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl ,100 µg/mL,isooctane,1mL,

Sulfur Calibration Mixtures: Di-n-butyl sulfide in Heavy White Oil (less than 20mg/kg S) Unit : 10mL screw-capped bottle Light White Mineral Oil Heavy White Mineral Oil (20 cSt at 40°C) (70 cSt at 40°C)