NCC Surrogate Standard Solution - 1 component (EPA 507) 1,3-Dimethyl-2-nitrobenzene 250 µg/mL in Methyl-tert,butylether

Internal Control Stock Solution 1 component (ISO 8165-2) 2,4-Dibromophenol 10 µg/mL in Methanol

Internal Standard Solution 1 component (EPA 644) Salicylic acid 2000 mg/L in 2-Propanol

in Methanol, analytical standard

Ethers Standard Solution 1 component (EPA 8010B) 2-Chloroethyl vinyl ether 100 µg/mL in Methanol (purge-and-trap)

Internal Standard Solution 1 component (EPA 515) 4,4'-Dibromooctafluorobiphenyl 100 mg/L in Methyl-tert,butylether

Imazalil sulfate, analytical standard (Supelco)

S(-)-SCH-23388 Iodo Analog Hydrochloride, analytical standard

Sulfur in Octane, analytical standard (Supelco)

Simazine hydroxy, analytical standard (Supelco)