diff --git a/Project.toml b/Project.toml
index 257e9690..37c8cc0d 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "ClimaParams"
 uuid = "5c42b081-d73a-476f-9059-fd94b934656c"
 authors = ["Climate Modeling Alliance"]
-version = "0.10.6"
+version = "0.10.7"
 
 [deps]
 DocStringExtensions = "ffbed154-4ef7-542d-bbb7-c09d3a79fcae"
diff --git a/src/parameters.toml b/src/parameters.toml
index 5d3227dd..35c33859 100644
--- a/src/parameters.toml
+++ b/src/parameters.toml
@@ -1310,6 +1310,11 @@ value = [-0.346044, -7.17829e-11, -1.24394e20]
 type = "float"
 description = "Hl coefficients for ice terminal velocity parameterization - See Table B5 in Chen et al 2022 DOI: 10.1016/j.atmosres.2022.106171"
 
+[Chen2022_ice_cutoff]
+value = 0.000625
+type = "float"
+description = "Chen2022 parametrization cut off for diameter between small and large ice particles [m]"
+
 # Microphysics - ice deposition on dust
 
 [Mohler2006_maximum_allowed_Si]
@@ -1599,6 +1604,16 @@ value = 6
 type = "float"
 description = "Limiter for shape parameter mu for ice in P3 scheme. See eq 3 in Morrison and Milbrandt 2015. Units: [-]"
 
+[p3_ventillation_a]
+value = 0.78
+type = "float" 
+description = "a coefficient for ventillation factor calculations in p3 tendencies, unitless. From Seifert and Beheng, 2006. DOI: 10.1007/s00703-005-0112-4" 
+
+[p3_ventiallation_b] 
+value = 0.308
+type = "float" 
+description = "b coefficient for ventillation factor calculations in p3 tendencies, unitless. From Seifert and Beheng, 2006. DOI: 10.1007/s00703-005-0112-4"
+
 # Microphysics - Aerosol activation
 
 [seasalt_aerosol_molar_mass]