EPA Method 502.2/524.2 - Liquids Back Catalog number: 30001R Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 14800-0160-50ME5 Trifluoromethanesulfonic acid, 50µg/ml in MeOH, 5ml Price on request 676943 4,4'-Difluorobenzophenone, 100mg Price on request GA09000634HE Terpene Mixture 1, 2500µg/mL in Hexane, 1ml Price on request