diff --git a/src/hdf5_writer.py b/src/hdf5_writer.py
index 3113bea..30e3ae2 100644
--- a/src/hdf5_writer.py
+++ b/src/hdf5_writer.py
@@ -7,6 +7,7 @@ import pandas as pd
 import numpy as np
 import h5py
 import logging
+import json
 
 #try:
 #    from dima.utils import g5505_utils as utils
@@ -158,11 +159,22 @@ def create_hdf5_file_from_filesystem_path(path_to_input_directory: str,
                     stdout = inst
                     logging.error('Failed to create group %s into HDF5: %s', group_name, inst)
 
+                if 'data_lineage_metadata.json' in filtered_filenames_list:
+                    idx = filtered_filenames_list.index('data_lineage_metadata.json') 
+                    data_lineage_file = filtered_filenames_list[idx]
+                    try:
+                        with open('/'.join([dirpath,data_lineage_file]),'r') as dlf:                        
+                            data_lineage_dict = json.load(dlf)
+                        filtered_filenames_list.pop(idx)
+                    except json.JSONDecodeError:
+                            data_lineage_dict = {}  # Start fresh if file is invalid
+                        
+                else:
+                    data_lineage_dict = {}                
+                   
+
                 for filenumber, filename in enumerate(filtered_filenames_list):
                     
-                    #file_ext = os.path.splitext(filename)[1]
-                    #try: 
-
                     # hdf5 path to filename group 
                     dest_group_name = f'{group_name}/{filename}'
                     source_file_path = os.path.join(dirpath,filename)
diff --git a/utils/g5505_utils.py b/utils/g5505_utils.py
index a145df1..b413271 100644
--- a/utils/g5505_utils.py
+++ b/utils/g5505_utils.py
@@ -161,6 +161,8 @@ def convert_dataframe_to_np_structured_array(df: pd.DataFrame):
                 dtype.append((col, 'i4'))  # Assuming 32-bit integer
             elif pd.api.types.is_float_dtype(col_dtype):
                 dtype.append((col, 'f4'))  # Assuming 32-bit float
+            elif pd.api.types.is_bool_dtype(col_dtype):
+                dtype.append((col,bool))
             else:
                 # Handle unsupported data types
                 print(f"Unsupported dtype found in column '{col}': {col_data.dtype}")