0185.2 Dimethylsulfide [75-18-3] 0.1 ppm 0187.3 2-Propanethiol [75-33-2] 0.1 ppm 0195.2 Dimethyl disulfide [624-92-0] 10 ppm 0935.5 3-Methylthiophene [616-44-4] 100 ppm 0938.8 Benzothiophene [95-15-8] 10 ppm