EPA Method 525 Internals & Surrogates Back Catalog number: 95227 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 71424 Trimethylamine Price on request 676696 Pendimethalin, 100 µg/ml, Acetone, 1ml Price on request 9285.10-10MG Stavudine, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 3056-17-5 Price on request