525 Internal Standard Back Catalog number: 96263 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 93679 Pesticide Standard, varied µg/mL in Acetone, 1ml Price on request 92961 EPA Method 508 Pesticide Standard Price on request 11748.12-100-IO 2,2',3,5,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request