Demeton-S-methyl-sulfoxide, certified, 25mg

EPA Method 515.1 Internal Standard

Perfluoroperhydrophenanthrene, , Solvent-, Unit 10g, # of units-, Cas.no. 306-91-2

2,3-Naphthalenedicarboxylic acid, neat, Solvent-neat, Unit 500mg, # of units-1, Cas.no. 2169-87-1