EPA Method 300.0 Anions, 1000µg/ml in Water, 100ml

Solution #1

1-Hydroxyibuprofen, 100 µg/ml, Acetonitrile, 1ml

Diphacinone-d4 (indanedione-4,5,6,7-d4),100 µg/mL,acetonitrile,1mL,