EPA Method 353.2 Nitrate + Nitrite Back Catalog number: 53120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2039.12-50-T Octachlorodibenzofuran, 50µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 39001-02-0 Price on request 0259.17-K-T 11H-Benzo[a]fluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 238-84-6 Price on request FRS-053S-0.5X Ethylene bis(tetrabromophthalimide), 50µg/ml in Toluene, 1ml Price on request