Esfenvalerate, 1000µg/ml in MeOH, 1ml

QC Standard 2

EPA Method 8260 - Purgeable Internal Standard

Organotin Standard Mixture 8 - Tin IS Ethyl Derivatives Internal standards ethylderivatives 1000 µg/mL in isooctane (based on total mass)) 5x1mL Ethyltripropyltin 1955.11 Di-n-heptyl diethyltin 2493.18 Tetra-n-propyltin 2490.12