| PARLABEL | NAME Sort ascending | CAS NUMBER |
|---|---|---|
| UNKALICY | Unknown Alicyclic | NA |
| UNALD9 | Unknown Aldehyde #9 | NA |
| UNALD8 | Unknown Aldehyde #8 | NA |
| UNKALD7 | Unknown Aldehyde #7 | NA |
| UNKALD6 | Unknown Aldehyde #6 | NA |
| UNKALD5 | Unknown Aldehyde #5 | NA |
| UNKALD4 | Unknown Aldehyde #4 | NA |
| UNKALD3 | Unknown Aldehyde #3 | NA |
| UNKALD2 | Unknown Aldehyde #2 | NA |
| UNALD10 | Unknown Aldehyde #10 | NA |
| UNKALD1 | Unknown Aldehyde #1 | NA |
| UNKALDEHYDE | Unknown Aldehyde | NA |
| UNKALC5 | Unknown Alcohol #5 | NA |
| UNKALC4 | Unknown Alcohol #4 | NA |
| UNKALC3 | Unknown Alcohol #3 | NA |
| UNKALC2 | Unknown Alcohol #2 | NA |
| UNKALC1 | Unknown Alcohol #1 | NA |
| UNKALCOHOL | Unknown Alcohol | NA |
| UNK9 | Unknown #9 | NA |
| UNK8 | Unknown #8 | NA |
| UNK7 | Unknown #7 | NA |
| UNK6 | Unknown #6 | NA |
| UNK5 | Unknown #5 | NA |
| UNK4 | Unknown #4 | NA |
| UNK3 | Unknown #3 | NA |
| UNK25 | Unknown #25 | NA |
| UNK24 | Unknown #24 | NA |
| UNK23 | Unknown #23 | NA |
| UNK22 | Unknown #22 | NA |
| UNK21 | Unknown #21 | NA |
| UNK20 | Unknown #20 | NA |
| UNK2 | Unknown #2 | NA |
| UNK19 | Unknown #19 | NA |
| UNK18 | Unknown #18 | NA |
| UNK17 | Unknown #17 | NA |
| UNK16 | Unknown #16 | NA |
| UNK15 | Unknown #15 | NA |
| UNK14 | Unknown #14 | NA |
| UNK13 | Unknown #13 | NA |
| UNK12 | Unknown #12 | NA |
| UNK11 | Unknown #11 | NA |
| UNK10 | Unknown #10 | NA |
| UNK1 | Unknown #1 | NA |
| UNK | Unknown | NA |
| USC | Unidentified Sulfur Compounds | NA |
| OTHERS | Unidentified Light- and/or Medium-Weight Fuels | NA |
| UI | Under Investigation | NA |
| UNDECANE | Undecene | 28761-27-5 |
| UNDECENE | Undecene | 28761-27-5 |
| 112-37-8 | Undecanoic acid | 112-37-8 |
| 17312-81-1 | Undecane, 3,5-dimethyl- | 17312-81-1 |
| 7045-71-8 | Undecane, 2-methyl- | 7045-71-8 |
| 17301-23-4 | Undecane, 2,6-dimethyl- | 17301-23-4 |
| 17301-27-8 | Undecane, 1,10-dimethyl- | 17301-27-8 |
| 1120-21-4 | Undecane | 1120-21-4 |
| UNSH2 | Un-ionized Hydrogen Sulfide | NA |
| UV-254 | Ultra Violet Wavelength 254 | NA |
| TURB | Turbidity | NA |
| W-188 | Tungsten-188 | NA |
| W | Tungsten | 7440-33-7 |
| AS3 | Trivalent Arsenic | 22569-72-8 |
| 630-05-7 | Tritriacontane | 630-05-7 |
| H-3 | Tritium (Hydrogen 3) | 10028-17-8 |
| T2EPHOS | Tris(2-ethylhexyl) phosphate | 78-42-2 |
| T2CPHOS | Tris(2-chloroethyl) phosphate | 115-96-8 |
| T23P | Tris(2,3-dibromopropyl)phosphate | 126-72-7 |
| TCPP | Tris(1-chloro-2-propyl) phosphate (TCPP) | 13674-84-5 |
| TDCPP | Tris(1,3-dichloro-2-propyl) phosphate (TDCPP) | 13674-87-8 |
| TPROPSN | Tripropyltin | 761-44-4 |
| TPHPOXIDE | Triphenylphosphine oxide | 791-28-6 |
| TPH | Triphenylene | 217-59-4 |
| TPHP | Triphenyl phosphate | 115-86-6 |
| TPTSN | Tripentyltin | 41784-41-2 |
| TMS | Trimethylsilanol | 1066-40-6 |
| TMEA | Trimethylamine | 75-50-3 |
| TMACEACID | Trimethylacetic acid | 75-98-9 |
| TMEP | Trimethyl phosphate | 512-56-1 |
| PBMCL | Trimethyl lead chloride | 1520-78-1 |
| TMEHX | Trimethyl hexane | NA |
| TMEPB | Trimethyl ethyl lead | 1762-26-1 |
| TMCYHX | Trimethyl cyclohexane | NA |
| TRIMETHOP | Trimethoprim | 738-70-5 |
| TMAN | Trimellitic Anhydride (TMAN) | 552-30-7 |
| TRIFLURALIN | Trifluralin | 1582-09-8 |
| TFBZME | Trifluorotoluene | 27359-10-0 |
| TRIFLOXYSTR | Trifloxystrobin | 141517-21-7 |
| ET3GLY | Triethylene glycol | 112-27-6 |
| TEA | Triethylamine | 121-44-8 |
| TEP | Triethyl phosphate | 78-40-0 |
| PBECL | Triethyl lead chloride | 1067-14-7 |
| TPHANE | Tridiphane | 58138-08-2 |
| 638-53-9 | Tridecanoic acid | 638-53-9 |
| 7METDECANE | Tridecane, 7-methyl- | 26730-14-3 |
| 629-50-5 | Tridecane | 629-50-5 |
| TRICYCLAZOLE | Tricyclazole | 41814-78-2 |
| TRISANEISO2 | Tricosane isomer2 | NA |
| TRISANEISO1 | Tricosane isomer1 | NA |
| 638-67-5 | Tricosane | 638-67-5 |
| 638-68-6 | Tricontane | 638-68-6 |
| TRICLOSAN | Triclosan | 3380-34-5 |