Alachlor, 100 µg/ml, Methanol, 5ml

1-Bromo-2-fluorobenzene, certified, 0.5ml

4-Hydroxyphenylacetic acid, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 156-38-7

EPA Method 8260 Internal & Surrogate Standard