EPA Method 525.2 - 526 Internal Standard Back Catalog number: 91297 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended BDE-CM PBDE Congeners Mix, in Isooctane, 1ml Price on request 92998 BTEX Standard Price on request S17396147DD-2.5 Tetracycline 13C22,15N2 dried down 2.5 µg/mL, 5 x 1ml Price on request