diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/thermo.incompressiblePoly b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/thermo.incompressiblePoly
index 6b8aeb6dcf..16729ac9d9 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/thermo.incompressiblePoly
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/constant/thermo.incompressiblePoly
@@ -1,35 +1,34 @@
 (
-    // Nitrogen
-    N2 N2   1   28.0134
+N2 N2   1   28.0134
     rhoPolynomial
     (
-        3.88E+000
-       -1.64E-002
-        3.18E-005
-       -2.89E-008
-        9.90E-012
+        3.8936E+00
+       -1.6463E-02
+        3.2101E-05
+       -2.9174E-08
+        9.9889E-12
         0
         0
         0
     )
-    0.0                                      // Heat of formation [J/kg]
-    6840                                     // Standard entropy [J/kg/K]
+    0.0                                 // Heat of formation
+    0.0                                 // Standard entropy
     cpPolynomial
     (
-        2.75E+004
-        1.12E+001
-       -3.12E-002
-        4.45E-005
-       -1.92E-008
+        9.7908E+02
+        4.1787E-01
+       -1.1761E-03
+        1.6742E-06
+       -7.2559E-10
         0
         0
         0
     )
     muPolynomial
     (
-        1.54E-006
-        6.15E-008
-       -1.81E-011
+        1.5068E-06
+        6.1598E-08
+       -1.8188E-11
         0
         0
         0
@@ -38,47 +37,45 @@
     )
     kappaPolynomial
     (
-        3.15E-003
-        8.49E-005
-       -1.25E-008
+        3.1494E-03
+        8.4997E-05
+       -1.2621E-08
         0
         0
         0
         0
         0
     )
-
-    // Oxygen
-    O2 O2   1   31.9988
+O2 O2   1   31.9988
     rhoPolynomial
     (
-        4.43E+000
-       -1.87E-002
-        3.64E-005
-       -3.30E-008
-        1.13E-011
+        4.4475E+00
+       -1.8805E-02
+        3.6667E-05
+       -3.3323E-08
+        1.1410E-11
         0
         0
         0
     )
-    0.0                                  // Heat of formation [J/kg]
-    6408                                 // Standard entropy [J/kg/K]
+    0.0                                 // Heat of formation
+    0.0                                 // Standard entropy
     cpPolynomial
     (
-        2.67E+004
-        9.93E+000
-       -7.09E-003
-        1.45E-005
-       -9.13E-009
+        8.3484E+02
+        2.9297E-01
+       -1.4959E-04
+        3.4143E-07
+       -2.2786E-10
         0
         0
         0
     )
     muPolynomial
     (
-        1.54E-006
-        6.15E-008
-       -1.81E-011
+        1.5068E-06
+        6.1598E-08
+       -1.8188E-11
         0
         0
         0
@@ -87,25 +84,23 @@
     )
     kappaPolynomial
     (
-        2.09E-004
-        8.52E-005
-       -1.49E-008
+        1.6082E-04
+        8.5301E-05
+       -1.4998E-08
         0
         0
         0
         0
         0
     )
-
-    // Water vapour
-    H2O H2O 1   18.0153
+H2O H2O 1   18.0153
     rhoPolynomial
     (
-        2.49E+000
-       -1.05E-002
-        2.03E-005
-       -1.84E-008
-        6.28E-012
+        2.5039E+00
+       -1.0587E-02
+        2.0643E-05
+       -1.8761E-08
+        6.4237E-12
         0
         0
         0
@@ -114,20 +109,20 @@
     1.0482e04                                // Standard entropy [J/kg/K]
     cpPolynomial
     (
-        2.85E+004
-        2.63E+001
-       -4.63E-002
-        5.11E-005
-       -1.83E-008
+        1.5631E+03
+        1.6040E+00
+       -2.9334E-03
+        3.2168E-06
+       -1.1571E-09
         0
         0
         0
     )
     muPolynomial
     (
-        1.54E-006
-        6.15E-008
-       -1.81E-011
+        1.5068E-06
+        6.1598E-08
+       -1.8188E-11
         0
         0
         0
@@ -136,9 +131,56 @@
     )
     kappaPolynomial
     (
-        3.79E-003
-        1.53E-004
-       -1.22E-008
+        3.7972E-03
+        1.5336E-04
+       -1.1859E-08
+        0
+        0
+        0
+        0
+        0
+    )
+air air 1   28.85
+    rhoPolynomial
+    (
+        4.0097E+00
+       -1.6954E-02
+        3.3057E-05
+       -3.0042E-08
+        1.0286E-11
+        0
+        0
+        0
+    )
+    0.0
+    0.0
+    cpPolynomial
+    (
+        9.4876E+02
+        3.9171E-01
+       -9.5999E-04
+        1.3930E-06
+       -6.2029E-10
+        0
+        0
+        0
+    )
+    muPolynomial
+    (
+        1.5061E-06
+        6.1600E-08
+       -1.8190E-11
+        0
+        0
+        0
+        0
+        0
+    )
+    kappaPolynomial
+    (
+        2.5219E-03
+        8.5060E-05
+       -1.3120E-08
         0
         0
         0
@@ -146,3 +188,4 @@
         0
     )
 )
+