EPA Method 507 Analyte Mix #1

9-Nitroanthracene-d9, 100µg/mL, Solvent-toluene, Unit 1mL, # of units-5, Cas.no. 220381-38-4

Alachlor OA, 100µg/ml in MeOH, 1ml

4-tert-Butylcatechol