D5-3-Chloro-1,2-propanediol, 25mg

8-Methyl-2-naphthol, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 19393-87-4

Monolinoylglycerol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 2277-28-3

EPA Method 524 & 624 - Internal Standard