ASTM Method D5580 Daily Quality Control Standard without IS: 14 components: 1,2,4,5-Tetramethylbenzene [CAS:95-93-2] 1% (w/w) ; 1,2,4-Trimethylbenzene [CAS:95-63-6] 3% (w/w) ; Iso-octane [CAS:540-84-1] 20% (w/w) ; Benzene [CAS:71-43-2] 1% (w/w) ; Ethylbenzene [CAS:100-41-4] 2% (w/w) ; n-Decane [CAS:124-18-5] 10% (w/w) ; n-Heptane [CAS:142-82-5] 20% (w/w) ; n-Hexane [CAS:110-54-3] 12% (w/w) ; n-Octane [CAS:111-65-9] 15% (w/w) ; n-Tridecane [CAS:629-50-5] 1% (w/w) ; Naphthalene [CAS:91-20-3] 1% (w/w) ; o-Xylene [CAS:95-47-6] 2% (w/w) ; p-Xylene [CAS:106-42-3] 3% (w/w) ; Toluene [CAS:108-88-3] 9% (w/w)