EPA Method 504.1 Analytes

3ß(H),17ß(H),21ß(H)-3-Hydroxyhopane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Phthalate Standard, 2000µg/mL in acetone, 1ml

Pyrene-d10, 1000µg/mL in acetonitrile, 1ml