diff --git a/.github/workflows/pytest.yml b/.github/workflows/pytest.yml
index 08943d6..9144ffe 100644
--- a/.github/workflows/pytest.yml
+++ b/.github/workflows/pytest.yml
@@ -60,10 +60,8 @@ jobs:
             echo "AZURE_KEY_VAULT_NAME=${AZURE_KEY_VAULT_NAME}"
             echo "AZURE_KEY_VAULT_SECRET_NAME=${AZURE_KEY_VAULT_SECRET_NAME}"
           } >> ../config/hasher.env
-          # Don't attempt to upload FTPS from GHA
-          {
-            echo "SNAKEMAKE_RULE_UNTIL=all_daily_hash_lookups"
-          } >> ../config/exporter.env
+          
+          # exporter config is generated from wtthin pytest so no need to do it here
 
       - name: Run the tests
         working-directory: waveform-controller
diff --git a/config.EXAMPLE/exporter.env.EXAMPLE b/config.EXAMPLE/exporter.env.EXAMPLE
index 7448419..214801c 100644
--- a/config.EXAMPLE/exporter.env.EXAMPLE
+++ b/config.EXAMPLE/exporter.env.EXAMPLE
@@ -18,3 +18,7 @@ HASHER_API_PORT=8000
 # its output in the FTPS output.
 # Do not use the name "production" anywhere outside production!
 INSTANCE_NAME=
+
+# How long must it have been since an original CSV was last modified before
+# progressing it down the pipeline?
+CSV_AGE_THRESHOLD_MINUTES=180
diff --git a/exporter-scripts/scheduled-script.sh b/exporter-scripts/scheduled-script.sh
index e3d3e41..eb494fa 100755
--- a/exporter-scripts/scheduled-script.sh
+++ b/exporter-scripts/scheduled-script.sh
@@ -27,6 +27,7 @@ set +e
 snakemake --snakefile /app/src/pipeline/Snakefile \
   --cores "$SNAKEMAKE_CORES" \
   --until "$SNAKEMAKE_RULE_UNTIL" \
+  --config CSV_AGE_THRESHOLD_MINUTES="${CSV_AGE_THRESHOLD_MINUTES}" \
   >> "$outer_log_file" 2>&1
 ret_code=$?
 set -e
diff --git a/src/pipeline/Snakefile b/src/pipeline/Snakefile
index 2775b22..0e42b0e 100644
--- a/src/pipeline/Snakefile
+++ b/src/pipeline/Snakefile
@@ -1,4 +1,5 @@
 import json
+import os
 import time
 from datetime import datetime, timedelta, timezone
 from pathlib import Path
@@ -41,7 +42,7 @@ def hash_csn(csn: str) -> str:
 # protect against very out of order data though)
 # Also note that snakemake can detect and re-run if the file is subsequently updated,
 # so being very cautious here may not be necessary.
-CSV_WAIT_TIME = timedelta(minutes=5)
+CSV_AGE_THRESHOLD_MINUTES = timedelta(minutes=float(config['CSV_AGE_THRESHOLD_MINUTES']))
 
 # The problem here is that snakemake works "backwards" in that you have to define which
 # files you want to be produced, yet we don't know what output files we need until the
@@ -116,12 +117,12 @@ def determine_eventual_outputs():
             print(f"Skipping file with unmatched CSN: {orig_file}")
             continue
         file_age = get_file_age(orig_file)
-        if file_age < CSV_WAIT_TIME:
+        if file_age < CSV_AGE_THRESHOLD_MINUTES:
             print(f"File too new (age={file_age}): {orig_file}")
             continue
         _all_outputs.append(input_file_obj)
     after = time.perf_counter()
-    print(f"Calculated output files using newness threshold {CSV_WAIT_TIME} in {after - before} seconds")
+    print(f"Snakemake [pid={os.getpid()}]: Determined {len(_all_outputs)} output files using newness threshold {CSV_AGE_THRESHOLD_MINUTES} in {after - before} seconds")
     return _all_outputs, _hash_to_csn
 
 
diff --git a/tests/test_snakemake_integration.py b/tests/test_snakemake_integration.py
index 5fb5f5f..ceaf8e5 100644
--- a/tests/test_snakemake_integration.py
+++ b/tests/test_snakemake_integration.py
@@ -337,6 +337,7 @@ def _run_snakemake(tmp_path):
         "SNAKEMAKE_RULE_UNTIL=all_daily_hash_lookups\n"
         "SNAKEMAKE_CORES=1\n"
         "INSTANCE_NAME=pytest\n"
+        "CSV_AGE_THRESHOLD_MINUTES=5\n"
     )
     # run system under test (exporter container) in foreground
     compose_args = [