Alachlor (ring 13C6), 100ug/ml in n-Nonane, 1,2ml

2,4'-Methoxychlor, 10mg

1,3,5-Tribromobenzene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 626-39-1

EPA Method 8250Mix #9