EPA Method 524 & 624 - Internal Standard

Vinyl chloride, 1000µg/ml in Toluene, 1ml

2,3',4,4',5',6-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL,

(+/-)-Normetanephrine-a,β,β-d3 HCl, 100µg/ml in Me