diff --git a/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py b/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py
index 397b10c1..c646526e 100644
--- a/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py
+++ b/hub/city_model_structure/life_cycle_assessment/lca_end_of_life_carbon.py
@@ -15,41 +15,37 @@ class EndOfLifeEmission:
   def __init__(
           self, recycling_ratio, onsite_recycling_ratio,
           company_recycling_ratio, landfilling_ratio,
-          demolition_work_load, onsite_work_load,
-          companies_recycling_work_load, landfilling_work_load,
+          material_workload,
           demolition_machine_emission=4.3577325, onsite_machine_emission=2.0576313,
           companies_recycling_machine_emission=0.6189555, landfilling_machine_emission=15.7364044):
     self.recycling_ratio = recycling_ratio
     self.onsite_recycling_ratio = onsite_recycling_ratio
     self.company_recycling_ratio = company_recycling_ratio
     self.landfilling_ratio = landfilling_ratio
+    self.material_workload = material_workload
     self.demolition_machine_emission = demolition_machine_emission
     self.onsite_machine_emission = onsite_machine_emission
     self.companies_recycling_machine_emission = \
         companies_recycling_machine_emission
     self.landfilling_machine_emission = landfilling_machine_emission
-    self.demolition_work_load = demolition_work_load
-    self.onsite_work_load = onsite_work_load
-    self.companies_recycling_work_load = companies_recycling_work_load
-    self.landfilling_work_load = landfilling_work_load
 
   def demolition(self):
-    return self.demolition_machine_emission * self.demolition_work_load
+    return self.demolition_machine_emission * self.material_workload
 
   def onsite_recycling(self):
     return self.recycling_ratio * (self.onsite_recycling_ratio *
                                    self.onsite_machine_emission *
-                                   self.onsite_work_load)
+                                   self.material_workload)
 
   def companies_recycling(self):
    return self.recycling_ratio * (self.company_recycling_ratio *
                                   self.companies_recycling_machine_emission *
-                                  self.companies_recycling_work_load)
+                                  self.material_workload)
 
   def landfilling(self):
     return self.landfilling_ratio * \
            self.landfilling_machine_emission * \
-           self.landfilling_work_load
+           self.material_workload
 
   def calculate_end_of_life_emission(self):
     return self.demolition() + \