EPA Method 1613 Native Stock Solution, 1.2ml, nonane

Acetaminophen-d4 (Paracetamol-d4),100 µg/mL,MeOH,1mL

Metazachlor-ESA sodium salt, 100µg/ml in AL, 1ml

2,3-Dimethylanthracene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 613-06-9