diff --git a/templates/sediment_sampling.ldt.ttl.j2 b/templates/sediment_sampling.ldt.ttl.j2
index 232a8cb..f04ce9e 100644
--- a/templates/sediment_sampling.ldt.ttl.j2
+++ b/templates/sediment_sampling.ldt.ttl.j2
@@ -172,7 +172,7 @@ Sets:
     schema:additionalType "blank sample"^^xsd:string ;
     emobon-sampling:sampleReplicate {{ _.replicate | xsd("string") | safe }} ;
         {%- else %}
-    schema:additionalType "http://vocab.nerc.ac.uk/collection/P01/current/IDTCRE01/"^^anyURI ;
+    schema:additionalType "http://vocab.nerc.ac.uk/collection/S29/current/PE001525/"^^anyURI ;
     emobon-sampling:sampleReplicate {{ _.replicate | xsd("string") | safe }} ;
         {%- endif %}
     {%- endif %}
diff --git a/templates/water_sampling.ldt.ttl.j2 b/templates/water_sampling.ldt.ttl.j2
index e1c5163..b9c8119 100644
--- a/templates/water_sampling.ldt.ttl.j2
+++ b/templates/water_sampling.ldt.ttl.j2
@@ -170,7 +170,7 @@ Sets:
     schema:additionalType "blank sample" ;
     emobon-sampling:sampleReplicate {{ _.replicate | xsd("string") | safe }} ;
         {%- else %}
-    schema:additionalType "http://vocab.nerc.ac.uk/collection/P01/current/IDTCRE01/"^^anyURI ;
+    schema:additionalType "http://vocab.nerc.ac.uk/collection/S29/current/PE001525/"^^anyURI ;
     emobon-sampling:sampleReplicate {{ _.replicate | xsd("string") | safe }} ;
         {%- endif %}
     {%- endif %}