Coumaphos, 10µg/ml in Acetonitrile, 10ml

EPA Method 525 - Perchlorinates

EPA 528 rev. 1.0 Sample Fortification Solution 3 200µg/mL in methanol; unit: 1x5mL 2060.6 2,4,6-Tribromophenol [118-79-6]

Hexabromo[13C6]benzene, 1.2ml x 50ug/ml , toluene