diff --git a/src/services/io_services.py b/src/services/io_services.py
index c445645..03941c6 100644
--- a/src/services/io_services.py
+++ b/src/services/io_services.py
@@ -15,3 +15,9 @@ def save_rps_totals(totals, path):
         wtr = csv.writer(result)
         for k, v in totals.items():
             wtr.writerow([k,v])
+
+def save_rps_above_threshold(readings, path):
+    with open(path, mode="w", newline='') as result:
+        wtr = csv.writer(result)
+        for item in readings:
+            wtr.writerow([item])