3,3'-Dichlorobenzidine 5000 µg/mL in Methanol, analytical standard (Supelco)

6-Methylchinoline, analytical standard

2-Methylchinoline, analytical standard, for GC

2-Methylchinoline, analytical standard, for GC

2-Chloronaphthalene, analytical standard (Supelco)

2-Aminonaphthalene, analytical standard (Supelco)

2-Naphthalenethiol, analytical standard

2-Methylnaphthalene, analytical standard (Supelco)

2-Methylnaphthalene 1000 µg/mL in Methanol, analytical standard (Supelco)

2-Chloronaphthalene 5000 µg/mL in Methanol, analytical standard (Supelco)