EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93325 PAH Mix #2 Price on request 676727 Picoxystrobin, 100mg Price on request 675814 Desmetryn, 100 µg/ml, Acetonitrile, 5ml Price on request