diff --git a/src/flicker.py b/src/flicker.py
index 22df77f..0865518 100644
--- a/src/flicker.py
+++ b/src/flicker.py
@@ -1,13 +1,13 @@
-import csv
-import datetime
 from services import io_services, log_services, data_services
-# import pdb
 
 def main():
+    # File paths used to save and load the data.
     raw_data_path = "data/test-data.csv"
     rps_save_path = "data/results/readings-per-sec.csv"
     rps_above_thresh = "data/results/readings_above_threshold.csv"
     flicker_list = "data/results/flicker_list.csv"
+    filtered_flickers = "data/results/filtered_flicker_entries.csv"
+    
     raw_data = io_services.load_raw_data(raw_data_path)
     # log_services.print_list(raw_data)
     time_tallies = data_services.tally_readings_per_second(raw_data)
@@ -20,7 +20,10 @@ def main():
     io_services.save_rps_above_threshold(rps_above_herz, rps_above_thresh)
     flicker_entries = data_services.find_flickers(rps_above_herz, raw_data)
     # log_services.print_dictionary(flicker_tallies)
-    io_services.save_rps_totals(flicker_tallies, flicker_entries)
-    # filtered_flicker_entries =
+    io_services.save_rps_totals(flicker_entries, flicker_list)
+    filtered_flicker_entries = data_services.find_readings_with_lights_on(flicker_entries)
+    # log_services.print_list(filtered_flicker_entries)
+    io_services.save_filtered_flickers(filtered_flicker_entries, filtered_flickers)
+    
 if __name__ == "__main__":
     main()
diff --git a/src/services/data_services.py b/src/services/data_services.py
index fc92db6..022e74a 100644
--- a/src/services/data_services.py
+++ b/src/services/data_services.py
@@ -1,5 +1,3 @@
-from services import log_services
-
 def tally_readings_per_second(data):
     time_tallies = dict()
     for item in data:
@@ -21,26 +19,26 @@ def total_count_for_each_reading_per_second(time_tallies):
 
 def get_rps_above(threshold, readings):
     times = list()
-    # print(readings.values())
     for k, v in readings.items():
-        # print([k, v])
         if (v >= threshold):
             times.append(k)
     return times
 
 def find_flickers(selected_readings, all_readings):
     selected = dict()
-    # log_services.print_list(selected_readings)
-    # print(all_readings[1])
-    # print(type(all_readings[0]))
     for current_selected_reading in selected_readings:
         readings = list()
         for current_reading in all_readings:
-            # print(f"Checking {item} is in {x}...")
             if (current_selected_reading == current_reading[0]):
-                # selected[item] = x[1]
-                # print(f"Added {item}.")
-                # selected.append( (item, x[1]) )
                 readings.append(current_reading[1])
         selected[current_selected_reading] = readings
     return selected
+
+def find_readings_with_lights_on(flicker_entries):
+    filtered_readings = list()
+    for time, reading in flicker_entries.items():
+        for item in reading:
+            val = int(item)
+            if (val > 39):
+                filtered_readings.append( (time, reading) )
+    return filtered_readings