EPA Method 8330 Analyte Back Catalog number: 79078 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54121 Sodium (Na), 1000µg/ml in Water, 100ml Price on request 3363.14-100-DC 2,4'-DDT, 100µg/mL, Solvent-dichloromethane, Unit 1mL, # of units-1, Cas.no. 789-02-6 Price on request 50120 Nitrite (NO2-) as N Price on request