Compound Vol%
forNA
LEL
Vol%
forEN
LEL
Linearity
Curve/Table
CalGas NA
Span
Value
EN
Span
Value
Prop.GlycolMeth.Ether
Acetate(PGMA)
1.5 1.3 6 0.6%Propane 67% 77%
PropyleneOxide 2.3 1.9 2 0.6%Propane 38% 46%
Pyridine 1.8 1.7 8 0.1%Propane 20% 21%
StoddardSolvent 0.9 n.a. 2 0.6%Propane 32% n.a.
Styrene 0.9 1.0 8 0.1%Propane 45% 41%
Tetrahydrofuran(THF) 2.0 1.5 2 0.6%Propane 40% 53%
Tetrahydropyran(THP) 1.6 n.a. 6 0.6%Propane 40% n.a.
tert-Butanol 2.4 1.4 2 0.6%Propane 27% 46%
Toluene 1.1 1.0 8 0.1%Propane 18% 20%
1,1,1-Trichloroethane 7.5 9.5 8 0.1%Propane 20% 16%
Tetrahyrdothiphene(THT) 1.5 1.5 1 2.5%Methane 29% 29%
Triethylamine 1.2 1.2 6 0.6%Propane 36% 36%
Trimethylamine 2.0 2.0 2 0.6%Propane 38% 38%
Turpentine 0.8 0.8 8 0.1%Propane 20% 20%
VinylAcetate 2.6 2.6 8 0.1%Propane 63% 63%
VinylTrimethoxysilane 1.1 n.a. 2 0.6%Propane 35% n.a.
Xylenes(O-Xylene) 0.9 0.9 1 2.5%Methane 59% 59%
91 Ultima X5000 Gas Monitor US
9 Appendix: Calibration Guide for Additional Gases