EPA Method 508 - Performance Check Solution

2,2',3,3',4,4',5,5'-Octachlorobiphenyl, neat, Solvent-neat, Unit 5mg, # of units-1, Cas.no. 35694-08-7

Naltrexone hydrochloride, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 16676-29-2

Methyl dihydrojasmonate, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 24851-98-7