CLP Semi-Volatile Internal Standard Back Catalog number: 10019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 91553 Naphthalene-d8 Price on request 19494 EPA Method 524 & 624 - Internal Standard Price on request 675237 Kresoxim-methyl, 100 µg/ml, Acetonitrile, 5ml Price on request