EPA Method 353.2 Nitrate + Nitrite Back Catalog number: 53120 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended XA14470000AL Isoproturon, 100µg/ml n Acetonitrile, 1ml Price on request 12149.12-100-ME Mexacarbate,100 µg/mL,MeOH,1mL, Price on request MOPCB-3004S 4-Methoxy-2,2',5'-trichlorobiphenyl, 100µg/ml in IO, 1ml Price on request