EPA Method 607 - Nitrosamines Back Catalog number: 40012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 681149 Sulisobenzone, 100mg Price on request 677634 Paraquat dichloride, 100 µg/ml, Methanol, 1ml Price on request 0060.20-50-T 3-Hydroxybenzo[a]pyrene, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 13345-21-6 Price on request