EPA Method 1664 - Oil & Grease (Sonicate)

Cefazolin sodium salt, certified, 0.1g

4-Methyl-2-pentanone, 2000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 108-10-1

10:2 Di-PAPS-d4, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no.