Butachlor, 100 µg/ml, Methanol, 1ml

p-n-Nonylphenol Diethoxylate (ring-13C6), 100µg/ml in Nonane, 1,2ml

EPA Method 528 Internal Standard

Isocamphane, 1000µg/mL, Solvent-hexane, Unit 1mL, # of units-1, Cas.no. 38451-93-3