EPA Method 521 Nitrosamines Back Catalog number: 95327 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4426-50-100PE n-Alkanes mixture C20+C40 1140,20 Eicosane 1160,40 n-Tetracontane Conc: 100µg each/mL in n-Pentane Units: 5mL in Screw-cap bottles Price on request 90127R Aroclor 1248 Price on request 52155 CLP Calibration Standard Price on request