EPA Method 8040A Analytes Mix “A”

Isobutyl 4-hydroxybenzoate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 4247-02-3

1-Methylnaphthalene, 10.0 µg/ml, Acetonitrile, 1

4-n-Butyldibenzothiophene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 147792-33-4