diff --git a/bld/namelist_files/namelist_defaults_cam.xml b/bld/namelist_files/namelist_defaults_cam.xml
index 462570da4a..4b9722d66d 100644
--- a/bld/namelist_files/namelist_defaults_cam.xml
+++ b/bld/namelist_files/namelist_defaults_cam.xml
@@ -264,11 +264,12 @@
 <ncdata dyn="se" hgrid="ne120np4" nlev="30"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/ape_cam5_ne120np4_L30_c170419.nc</ncdata>
 
 <ncdata dyn="se" hgrid="ne3np4"   nlev="32"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/cam6_QPC6_aqua_ne3pg3_mg37_L32_01-01-31_c221214.nc</ncdata>
-<ncdata dyn="se" hgrid="ne3np4"   nlev="58"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/cam6_QPC6_aqua_ne3pg3_mg37_L58_01-01-31_c221214.nc</ncdata>
+<ncdata dyn="se" hgrid="ne3np4"   nlev="58"  aquaplanet="1"              >atm/cam/inic/se/QPLT_L58_ne3pg3_c241127.nc</ncdata>
 <ncdata dyn="se" hgrid="ne3np4"   nlev="93"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/cam6_QPC6_aqua_ne3pg3_mg37_L93_01_02_01_c240518.nc</ncdata>
 <ncdata dyn="se" hgrid="ne5np4"   nlev="32"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/ape_cam6_ne5np4_L32_c170517.nc</ncdata>
 <ncdata dyn="se" hgrid="ne16np4"  nlev="32"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/ape_cam6_ne16np4_L32_c170509.nc</ncdata>
 <ncdata dyn="se" hgrid="ne30np4"  nlev="32"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/ape_cam6_ne30np4_L32_c170509.nc</ncdata>
+<ncdata dyn="se" hgrid="ne30np4"  nlev="58"  aquaplanet="1"              >atm/cam/inic/se/QPLT_L58_ne30pg3_c241127.nc</ncdata>
 <ncdata dyn="se" hgrid="ne120np4"  nlev="32"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/ape_cam6_ne120np4_L32_c170908.nc</ncdata>
 <ncdata dyn="se" hgrid="ne240np4"  nlev="32"  aquaplanet="1" ic_ymd="101" >atm/cam/inic/se/ape_cam6_ne240np4_L32_c170908.nc</ncdata>
 
diff --git a/cime_config/testdefs/testlist_cam.xml b/cime_config/testdefs/testlist_cam.xml
index e161286ea8..bce9b11597 100644
--- a/cime_config/testdefs/testlist_cam.xml
+++ b/cime_config/testdefs/testlist_cam.xml
@@ -161,7 +161,6 @@
     <machines>
       <machine name="derecho" compiler="intel" category="aux_cime_baselines"/>
       <machine name="derecho" compiler="intel" category="prealpha"/>
-      <machine name="derecho" compiler="intel" category="aux_cam"/>
     </machines>
     <options>
       <option name="wallclock">00:10:00</option>
diff --git a/doc/ChangeLog b/doc/ChangeLog
index b385aca2a2..a02e75661c 100644
--- a/doc/ChangeLog
+++ b/doc/ChangeLog
@@ -9,8 +9,12 @@ Github PR URL:
 Purpose of changes (include the issue number and title text for each relevant GitHub issue):
 
 Issue #814 - Introduce QPC7 and possibly QPS7 aquaplanet compsets
-  - Analogous to compset names with FLT and FMT, create QPLT and QPMT compsets.
+  - Analogous to FLT and FMT compset names, create QPLT and QPMT compsets.
   - Open new issue to address QPS7.
+  - The new aquaplanet configurations use '-chem none' to eliminate the
+    aerosols.  This is much faster and requires much less memory than a
+    configuration that leaves the default chemistry in place and removes
+    aerosols by zeroing the initial concentrations and emission sources.
 
 Issue #1159 - Prealpha tests exceeding wallclock
   - increased time limit to 20 minutes for these prealpha tests:
@@ -21,15 +25,14 @@ Issue #670 - DAE test broken
   - ChangeLog indicates that this test has never worked since it was added
     in cam6_2_046 (2020-09-01).  Test removed.
 
-
-
-Describe any changes made to build system:
+Describe any changes made to build system: none
 
 Describe any changes made to the namelist:
+. add spun up initial files for QPLT compset on ne3pg3 and ne30pg3 grids.
 
-List any changes to the defaults for the boundary datasets:
+List any changes to the defaults for the boundary datasets: none
 
-Describe any substantial timing or memory changes:
+Describe any substantial timing or memory changes: n/a
 
 Code reviewed by:
 
@@ -45,6 +48,13 @@ List all files added and what they do:
 
 List all existing files that have been modified, and describe the changes:
 
+bld/namelist_files/namelist_defaults_cam.xml
+. replace current entry for ne3np4 L58 aquaplanet with
+  QPLT_L58_ne3pg3_c241127.nc.  Also remove the ic_ymd attribute since
+  aquaplanet does not have an annual cycle and that attribute interferes
+  with starting a run from an arbitrary time.
+. add new file for ne30np4 L58 aquaplanet.
+
 bld/namelist_files/use_cases/aquaplanet_cam7.xml
 . use case file for QPLT and QPMT.  Same as for QPC6 except:
   - set f11vmr=f12vmr=0 to override the non-zero default values from