EPA Method 525.2 Pesticide Level 2

Dibenzothiophene in Xylene S-4058 1000 µg/mL, 5x1mL ampoules Please request for diluted samples in the range 1 to 1000mg/mL.

Diuron, 100µg/mL in Acetonitrile, 1ml

Surrogate Standard Mix 9, 200 ng/µl, 1ml