Endosulfan (alpha + beta), 10µg/mL in IO, 10ml

Isocaffeine (1,3,9-Trimethylxanthine), 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 519-32-4

EPA Method 634 Analytes

Benzyldimethyldodecylammonium chloride