EPA Method 8140/8141 Analytes Back Catalog number: 81400 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0048.16-10MG 4-Nitropyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 57835-92-4 Price on request 10520.10-10MG (±)-Nicotine-2,4,5,6-d4 (pyridine-d4),neat,neat,10mg, Price on request 50754 IC Anion Standard Custom Mix Price on request