EPA Method 531.1 - Analytes Mixture

2,4-Dimethylolphenol, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 2937-60-2

7-Methylbenzothiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 14315-15-2

Ergosterol, >95%, 5g