D3-Mepiquat iodide, 100 µg/ml, Deuterium oxide,

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

4,4'-DDA, 100mg

EPA Method 515.1 Internal Standard