Internal Standard ASTM D-5307

2-Bromo-6-methoxynaphthalene, neat, Solvent-neat, Unit 100mg, # of units-, Cas.no. 5111-65-9

2,2'-Dihydroxy-4,4'-dimethoxybenzophenone-5,5'-dis

ICP Mix #2 (Homogenize before sampling)