Crimidine, 10.0 µg/ml, Ethyl acetate, 10ml

Chlorpyrifos-D10, 100µg/mL in Acetone, 1ml

1-(4-Isopropylphenly)-3-methylurea, 100µg/mL in Acetonitrile, 1ml

EPA Method 525.2 - 526 Internal Standard