EPA Method 8060 QC Check Solution

(±)-Cannabichromene, 5mg

1,4-Dimethyl-5-propylnaphthalene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 204256-08-6

2,2',3,4,4',5,6,6'-Octabromodiphenyl ether, 1.2ml x 50ug/ml, toluene