EPA Method 8270A - Mix #14

Tris(2-butoxyethyl) phosphate, 50µg/ml in Toluene, 1,2ml

Thifensulfuron-methyl, 1000µg/ml in Acetone, 1ml

(±)-Naproxen-d3 (?-methyl-d3),neat,neat,10mg,