Matrix Spiking Solution, 1.2ml, nonane

EPA Method 624 Analytes

Thiophene in Toluene Units: 5x1mL ampoule, 1x10mL screw-capped bottle Chiron No. Concentration µgS/g (ppm) Wt.% S-4053-0 Blank 0 S-4053-K 1 000 0.1000 S-4053-2.5K 2 500 0.2500 S-4053-5K

2-(Methylthio)thiophene, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 5780-36-9