Internal Standard Stock Solution, 1.2ml, nonane Back Catalog number: EPA-1668IS Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 59415 Thiocyanate (SCN-) Price on request 675320 Cinidon-ethyl, 10.0 µg/ml, Acetonitrile, 10ml Price on request L20870000AL 2-Methylchrysene, 10µg/mL in Acetonitrile, 10ml Price on request