EPA Method 539Mix #1, 100µg/ml in MeOH, 1ml

1,2-Dimethoxyethane, Internal Standard in RFA gasoline, 4Wt%, Solvent-RFA gasoline, Unit 10mL, # of units-5, Cas.no. 110-71-4

Sulfur Calibration Stock Solution Thiophene 1000 µg/mL in Toluene; unit: 5x1mL ampoules Please request for diluted samples in the range 1 to 1000 ng/mL.

Permethrin, 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 52645-53-1