UCMR4 - Method 525.3 - Surrogate Mix

2-Ethylnaphthalene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 939-27-5

EPA Method 617/8080/8250/8270 - Analytes

(±)-Nicotine-2,4,5,6-d4 (pyridine-d4),100 µg/mL,acetonitrile,1mL,