Formaldehyde-DNPH Level 1 (0.1ug/mL)

13C6-Thiabendazole, 100 µg/ml, Acetonitrile, 1ml

1,2,6-Trimethylphenanthrene, 500µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 30436-55-6

2,3,4,6,7,8-Hexachloro[13C12]dibenzofuran, 1.2ml x 50ug/ml, toluene