Resmethrin, 1000µg/ml in MeOH, 1ml

Pesticides Surrogate Standard Spiking Solution, 200µg/mL in Acetone, 1ml

n-Pentyl 4-hydroxybenzoate-d11, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1216496-15-9

Phosphate (PO43-) as P