EPA Method 8021B Internal Standard

Acetaminophene-d4 (Paracetamol-d4), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 64315-36-2

sec-Butanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 78-92-2

1-Chlorodibenzo-p-dioxin, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39227-53-7