EPA Method 508 Pesticide Standard Back Catalog number: 92961 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4393-5 S-4393-1 B[a]P/HCB Calibration Standard 2 (solvent : n- Nonane) Product S-4393-1 S-4393-2 S-4393-3 S-4393-4 S-4393-5 1356,6 Hexachlorobenzene 0,01 µg/mL 0,05 0,1 Price on request 675861 Pefloxacin mesylate dihydrate, 100mg Price on request 2136.21-K-IO Tri-p-tolylphosphate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 78-32-0 Price on request