Surrogate Standard Mix 9, 200 ng/µl, 1ml Back Catalog number: XA08080900AC Availability: In the manufacturer's stock Price on request - + Recommended 79114 2,4’-DDE, 1000µg/ml in Hexane, 1ml Price on request 32064 EPA Method 502/524 High Conc VOC Mix #7 Price on request 10861.12-10MG Tolbutamide Price on request