diff --git a/src/scope_equipment/router.py b/src/scope_equipment/router.py
index f83db66..2e24f42 100644
--- a/src/scope_equipment/router.py
+++ b/src/scope_equipment/router.py
@@ -35,9 +35,9 @@ async def get_scope_name(db_session: DbSession, scope_name: str, exclude: bool =
     return StandardResponse(data=await get_by_scope_name(db_session=db_session, scope_name=scope_name), message="Data retrieved successfully")
 
 
-@router.get("/master", response_model=StandardResponse[MasterEquipmentPagination])
-async def get_master_equipment(db_session: DbSession,  common: CommonParameters, exclude: Optional[str] = Query(None)):
-    results = await get_all_master_equipment(db_session=db_session, common=common, exclude=exclude)
+@router.get("/available/{scope_name}", response_model=StandardResponse[MasterEquipmentPagination])
+async def get_master_equipment(db_session: DbSession,  common: CommonParameters, scope_name: str):
+    results = await get_all_master_equipment(db_session=db_session, common=common, exclude=scope_name)
 
     return StandardResponse(data=results, message="Data retrieved successfully")
 
diff --git a/src/scope_equipment/service.py b/src/scope_equipment/service.py
index e1017ca..548b7e3 100644
--- a/src/scope_equipment/service.py
+++ b/src/scope_equipment/service.py
@@ -1,7 +1,7 @@
 
 
 from fastapi import HTTPException, status
-from sqlalchemy import Select, Delete, desc, func, not_, insert
+from sqlalchemy import Select, Delete, desc, func, not_, insert, or_
 
 from src.workorder.model import MasterWorkOrder
 from .model import ScopeEquipment, MasterEquipment
@@ -51,7 +51,7 @@ async def create(*, db_session: DbSession, scope_equipment_in: ScopeEquipmentCre
             status_code=status.HTTP_404_NOT_FOUND,
             detail="A scope with this name does not exist.",
         )
-        
+
     results = []
 
     for assetnum in assetnums:
@@ -64,7 +64,7 @@ async def create(*, db_session: DbSession, scope_equipment_in: ScopeEquipmentCre
                 "scope_id": scope.id
             }
         )
-        
+
         db_session.execute(stmt)
         results.append(assetnum)
 
@@ -89,9 +89,24 @@ async def update(*, db_session: DbSession, scope_equipment: ScopeEquipment, scop
 
 async def delete(*, db_session: DbSession, scope_equipment_id: str):
     """Deletes a document."""
-    query = Delete(ScopeEquipment).where(
+    # query = Delete(ScopeEquipment).where(
+    #     ScopeEquipment.id == scope_equipment_id)
+    # await db_session.execute(query)
+    # await db_session.commit()
+
+    query = Select(ScopeEquipment).filter(
         ScopeEquipment.id == scope_equipment_id)
-    await db_session.execute(query)
+    scope_equipment = await db_session.execute(query)
+    scope_equipment = scope_equipment.scalars().one_or_none()
+
+    if not scope_equipment:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail="A data with this id does not exist.",
+        )
+
+    scope_equipment.scope_id = None
+
     await db_session.commit()
 
 
@@ -126,9 +141,15 @@ async def get_exculed_scope_name(*, db_session: DbSession, scope_name: Union[str
 async def get_all_master_equipment(*, db_session: DbSession, exclude: Optional[str] = None, common: CommonParameters):
     query = Select(MasterEquipment).filter(MasterEquipment.assetnum != None)
 
+    query = query.outerjoin(
+        ScopeEquipment, MasterEquipment.assetnum == ScopeEquipment.assetnum)
+
     if exclude:
         query = query.filter(
-            not_(MasterEquipment.location_tag.op("~")(f"{exclude.capitalize()}$")))
+            not_(MasterEquipment.location_tag.op('~')('A$')) | (ScopeEquipment.scope_id.is_(None))
+        )
+    else:
+        query = query.filter(ScopeEquipment.scope_id.is_(None))
 
     results = await search_filter_sort_paginate(model=query, **common)
     return results