EPA Method 507 - Internal Standard

ISO 17495 Internal Standard Stock Solution 2 Internal standards, each 10µg/mL in acetone; unit: 1x5mL 2061.6 2,4-Dibromophenol [615-58-7] 2060.6 2,4,6-Tribromophenol [118-79-6] The following compounds are suggested as alternative I

Chrysene-d12, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 1719-03-5

Permethrin, 10.0 µg/ml, Acetonitrile, 10ml