Chlorpyrifos-methyl, 10 µg/ml, Acetone, 10ml

EPA Method 615/8150A Herbicides Underivatized

Melamine (13C3,99%; Amino-15N3,98%) 100 µg/mL in Water, 1,2ml

Phenthoate, 10.0 µg/ml, Acetonitrile, 10ml