diff --git a/pipelines/params/operational_variable_ranges.yaml b/pipelines/params/operational_variable_ranges.yaml
index df38da9..5f422f2 100644
--- a/pipelines/params/operational_variable_ranges.yaml
+++ b/pipelines/params/operational_variable_ranges.yaml
@@ -1,18 +1,22 @@
-# Define limits for diagnostic variables (src: data/<station>/<year>/global_config.r)
+# Get values from data/<station>/<year>/global_config.r
+# Define operational ranges for diagnostic variables
+operational_range:
+  description : "Defines the value range of a particular variable"
+  variables:
+    VaporizerTemp_C :
+      lower_lim : 400 
+      upper_lim : 610 
+      description : "heater temperature"
 
-VaporizerTemp_C : 
-  lower_lim : {value : 400, description : "heater"}
-  upper_lim : {value : 610, description : "heater"}
+    ABsamp : 
+      lower_lim : 20000 
+      upper_lim : 500000 
 
-ABsamp : 
-  lower_lim : {value : 20000, description : "not specified yet"}
-  upper_lim : {value : 500000, description : "not specified yet"}
+    FlowRate_ccs : 
+      lower_lim : 1.23 
+      upper_lim : 1.45 
 
-FlowRate_ccs : 
-  lower_lim : {value : 1.23, description : "not specified yet"}
-  upper_lim : {value : 1.45, description : "not specified yet"}
-
-FilamentEmission_mA : 
-  lower_lim : {value : 0.65, description : "not specified yet"}
-  upper_lim : {value : 1.5, description : "not specified yet"}
+    FilamentEmission_mA : 
+      lower_lim : 0.65 
+      upper_lim : 1.5