EPA Method 548 Analyte Back Catalog number: 30047 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 35031 EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml Price on request 673752 Butralin, 10.0 µg/ml, Ethyl acetate, 10ml Price on request 71318 2,4,4-Trimethyl-2-pentene Price on request