diff --git a/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.html b/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.html
index 721416a257b65769b7b0bf16d694b7a5b9ec4242..7478650f282308cce72a66a5436821122a657d90 100644
--- a/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.html
+++ b/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.html
@@ -1,104 +1,102 @@
-@if (form$ | async; as form) {
-  <div class="grid-row parameter-summary">
-    <div class="grid-col-12 tablet-lg:grid-col-6">
-      <mat-list class="parameter-list">
-        <mat-list-item>
-          <span class="parameter">Ground Motion Models</span>:
+<div class="grid-row parameter-summary">
+  <div class="grid-col-12 tablet-lg:grid-col-6">
+    <mat-list class="parameter-list">
+      <mat-list-item>
+        <span class="parameter">Ground Motion Models</span>:
+      </mat-list-item>
+      @for (gmmSource of form?.value?.gmmSource; track gmmSource) {
+        <mat-list-item class="indent-list font-small">
+          {{ gmmSource.gmm.display }}
         </mat-list-item>
-        @for (gmmSource of unbox(form?.value?.gmmSource); track gmmSource) {
-          <mat-list-item class="indent-list font-small">
-            {{ gmmSource.gmm.display }}
-          </mat-list-item>
-        }
-      </mat-list>
-    </div>
+      }
+    </mat-list>
+  </div>
 
-    <div class="grid-col-12 tablet-lg:grid-col-3">
-      <mat-list class="parameter-list">
+  <div class="grid-col-12 tablet-lg:grid-col-3">
+    <mat-list class="parameter-list">
+      <mat-list-item>
+        <span class="parameter">IMT</span>:
+        {{ imtIdToDisplay(form?.value?.imt) }}
+      </mat-list-item>
+
+      @if (form.value.multiSelectableParam === GmmFormControlIds.MW) {
         <mat-list-item>
-          <span class="parameter">IMT</span>:
-          {{ imtIdToDisplay(form?.value?.imt) }}
+          <span class="parameter">Magnitude</span>:
         </mat-list-item>
 
-        @if (form.value.multiSelectableParam === GmmFormControlIds.MW) {
-          <mat-list-item>
-            <span class="parameter">Magnitude</span>:
-          </mat-list-item>
-
-          @for (Mw of unbox(form?.value?.MwMulti); track Mw) {
-            <mat-list-item class="indent-list">
-              {{ Mw }}
-            </mat-list-item>
-          }
-        } @else {
-          <mat-list-item>
-            <span class="parameter">Magnitude</span>:
-            {{ form?.value?.Mw }}
+        @for (Mw of form?.value?.MwMulti; track Mw) {
+          <mat-list-item class="indent-list">
+            {{ Mw }}
           </mat-list-item>
         }
-
+      } @else {
         <mat-list-item>
-          <span class="parameter"> Z<sub>TOR</sub> </span>:
-          {{ form?.value?.zTor }} km
+          <span class="parameter">Magnitude</span>:
+          {{ form?.value?.Mw }}
         </mat-list-item>
+      }
 
-        <mat-list-item>
-          <span class="parameter">Dip</span>: {{ form?.value?.dip }}°
-        </mat-list-item>
+      <mat-list-item>
+        <span class="parameter"> Z<sub>TOR</sub> </span>:
+        {{ form?.value?.zTor }} km
+      </mat-list-item>
 
-        <mat-list-item>
-          <span class="parameter">Width</span>: {{ form?.value?.width }} km
-        </mat-list-item>
-      </mat-list>
-    </div>
+      <mat-list-item>
+        <span class="parameter">Dip</span>: {{ form?.value?.dip }}°
+      </mat-list-item>
 
-    <div class="grid-col-12 tablet-lg:grid-col-3">
-      <mat-list class="parameter-list">
-        @if (form.value.multiSelectableParam === GmmFormControlIds.VS30) {
-          <mat-list-item> <span class="parameter">Vs30</span>: </mat-list-item>
+      <mat-list-item>
+        <span class="parameter">Width</span>: {{ form?.value?.width }} km
+      </mat-list-item>
+    </mat-list>
+  </div>
 
-          @for (vs30 of unbox(form?.value?.vs30Multi); track vs30) {
-            <mat-list-item class="indent-list">
-              {{ vs30 }}
-              <sup>&nbsp;m</sup>/<sub>s</sub>
-            </mat-list-item>
-          }
-        } @else {
-          <mat-list-item>
-            <span class="parameter">Vs30</span>: {{ form?.value?.vs30 }}
+  <div class="grid-col-12 tablet-lg:grid-col-3">
+    <mat-list class="parameter-list">
+      @if (form.value.multiSelectableParam === GmmFormControlIds.VS30) {
+        <mat-list-item> <span class="parameter">Vs30</span>: </mat-list-item>
+
+        @for (vs30 of form?.value?.vs30Multi; track vs30) {
+          <mat-list-item class="indent-list">
+            {{ vs30 }}
             <sup>&nbsp;m</sup>/<sub>s</sub>
           </mat-list-item>
         }
-
+      } @else {
         <mat-list-item>
-          <span class="parameter"> Z<sub>1.0</sub> </span>:
-          {{ form?.value?.z1p0 }}
-          @if (form?.value?.z1p0) {
-            <span>&nbsp;km</span>
-          }
+          <span class="parameter">Vs30</span>: {{ form?.value?.vs30 }}
+          <sup>&nbsp;m</sup>/<sub>s</sub>
         </mat-list-item>
+      }
 
-        <mat-list-item>
-          <span class="parameter"> Z<sub>2.5</sub> </span>:
-          {{ form?.value?.z2p5 }}
-          @if (form?.value?.z2p5) {
-            <span>&nbsp;km</span>
-          }
-        </mat-list-item>
+      <mat-list-item>
+        <span class="parameter"> Z<sub>1.0</sub> </span>:
+        {{ form?.value?.z1p0 }}
+        @if (form?.value?.z1p0) {
+          <span>&nbsp;km</span>
+        }
+      </mat-list-item>
 
-        <mat-list-item>
-          <span class="parameter"> Z<sub>SED</sub> </span>:
-          {{ form?.value?.zSed }}
-          @if (form?.value?.zSed) {
-            <span>&nbsp;km</span>
-          }
-        </mat-list-item>
+      <mat-list-item>
+        <span class="parameter"> Z<sub>2.5</sub> </span>:
+        {{ form?.value?.z2p5 }}
+        @if (form?.value?.z2p5) {
+          <span>&nbsp;km</span>
+        }
+      </mat-list-item>
 
-        <mat-list-item>
-          <span class="parameters">Epistemic Uncertainty</span>:
-          {{ form?.value?.showEpistemicUncertainty ? 'On' : 'Off' }}
-        </mat-list-item>
-      </mat-list>
-    </div>
+      <mat-list-item>
+        <span class="parameter"> Z<sub>SED</sub> </span>:
+        {{ form?.value?.zSed }}
+        @if (form?.value?.zSed) {
+          <span>&nbsp;km</span>
+        }
+      </mat-list-item>
+
+      <mat-list-item>
+        <span class="parameters">Epistemic Uncertainty</span>:
+        {{ form?.value?.showEpistemicUncertainty ? 'On' : 'Off' }}
+      </mat-list-item>
+    </mat-list>
   </div>
-}
+</div>
diff --git a/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.ts b/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.ts
index 218ec9395eacf70e30a456f05ca8e5e706153feb..1621d574cd49d42c091bf8dcb1d883e93b947cfd 100644
--- a/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.ts
+++ b/projects/nshmp-apps/src/app/dev/gmm/hanging-wall-effects/components/parameter-summary/parameter-summary.component.ts
@@ -1,9 +1,7 @@
 import {AsyncPipe} from '@angular/common';
 import {Component} from '@angular/core';
 import {MatList, MatListItem} from '@angular/material/list';
-import {GmmFormControlIds, gmmUtils} from '@ghsc/nshmp-lib-ng/gmm';
-import {unbox} from 'ngrx-forms';
-import {map} from 'rxjs';
+import {GmmFormControlIds, gmmUtils} from '@ghsc/nshmp-lib-no-ngrx/gmm';
 
 import {AppFacade} from '../../state/app.facade';
 
@@ -23,16 +21,9 @@ export class ParameterSummaryComponent {
 
   /** Function to convert IMT id to display */
   imtIdToDisplay = gmmUtils.imtIdToDisplay;
-  /** ngrx-forms unbox function */
-  unbox = unbox;
 
   /** Control form field state */
-  form$ = this.facade.controlPanelForm$;
-
-  /** List of GMMs */
-  gmms$ = this.facade.usage$.pipe(
-    map(usage => usage?.response?.parameters?.gmm.values)
-  );
+  form = this.facade.controlPanelForm;
 
   constructor(private facade: AppFacade) {}
 }