Method 1613 Internal Standard Spiking Solution, 200ng/ml in Nonane, 0,5ml Back Catalog number: EDF-5999 Availability: In the manufacturer's stock Price on request - + Recommended 73383 4-Nitrodiphenylamine Price on request 93678 EPA Method 8270 Additional Analytes Price on request PN-66S 1,2,3,4,6,7-Hexachloronaphthalene, 50µg/ml in nonane, 1,2ml Price on request