Acetylsalicylic acid-d4 (ring-d4),100 µg/mL,MeOH,1mL,

EPA Method 507/525 Analyte Mix #5

Tris(2,3-dimethylphenyl) phosphate,1000 µg/mL,isooctane,1mL,

Ethoxysulfuron, 100 µg/ml, Acetonitrile, 1ml