PAH-Mix 31 deuterated, 1000 ng/µl, 1ml Back Catalog number: YA20950031TO Availability: In the manufacturer's stock Price on request - + Recommended 92694 EPA Method 525.2 Standard Price on request 674623 Fenitrothion-oxon, 100 µg/ml, Ethyl acetate, 1ml Price on request 73459 4-Ethoxyphenol Price on request