EPA Method 515.1 Surrogate Standard

Sulfur Calibration Standard 2 1688,0 Hydrogensulfide [7783-06-4] 0185,2 Dimethylsulfide [75-18-3] 0190,3 Ethylmethylsulfide [624-89-5] 0933,4 Thiophene [110-02-1] Concentration; 10ppm, wt% Solvent: n-Pentane Screw cap

Acephate, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 30560-19-1

2,2',3,3',4,5,5',6,6'-Nonachlorobiphenyl (208)