EPA Method 552.2 - Surrogate Standard

Thiencarbazone-methyl, 10.0 µg/ml, Acetonitrile,

Semi-Volatile Internal Standard

2-Hydroxy-5,6,7,8-tetrahydrocarbazole, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13314-79-9