Nitrate as NO3-, 1000µg/ml in water, 100ml

Dichlorvos, 10.0 µg/ml, Acetonitrile, 10ml

Ethyltri-n-butyltin-d27 (tri-n-butyl-d27), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no.

Tris(4-isopropylphenyl) phosphate-d33,100 µg/mL,isooctane,1mL,