diff --git a/js/atomic/view/CoulombsLawAtomicView.js b/js/atomic/view/CoulombsLawAtomicView.js
index a92f34d..a712b41 100644
--- a/js/atomic/view/CoulombsLawAtomicView.js
+++ b/js/atomic/view/CoulombsLawAtomicView.js
@@ -57,7 +57,6 @@ define( function( require ) {
       coulombsLawModel.object1,
       this.layoutBounds,
       this.modelViewTransform,
-      tandem.createTandem( 'chargeNode1' ),
       {
         label: charge1AbbreviatedString,
         otherObjectLabel: charge2AbbreviatedString,
@@ -67,7 +66,8 @@ define( function( require ) {
         atomicScale: true,
         maxArrowWidth: ARROW_MAX_WIDTH,
         pullRangeMultiplier: PULL_RANGE_MULTIPLIER,
-        forceReadoutDecimalPlaces: 9
+        forceReadoutDecimalPlaces: 9,
+        tandem: tandem.createTandem( 'chargeNode1' )
       } );
 
     var chargeNode2 = new ChargeNode(
@@ -75,7 +75,6 @@ define( function( require ) {
       coulombsLawModel.object2,
       this.layoutBounds,
       this.modelViewTransform,
-      tandem.createTandem( 'chargeNode2' ),
       {
         label: charge2AbbreviatedString,
         otherObjectLabel: charge1AbbreviatedString,
@@ -85,7 +84,8 @@ define( function( require ) {
         atomicScale: true,
         maxArrowWidth: ARROW_MAX_WIDTH,
         pullRangeMultiplier: PULL_RANGE_MULTIPLIER,
-        forceReadoutDecimalPlaces: 9
+        forceReadoutDecimalPlaces: 9,
+        tandem: tandem.createTandem( 'chargeNode2' )
       } );
 
     // charge nodes and arrows are added to the bottom of the scene graph so that the ruler will appear above them yet
diff --git a/js/common/view/ChargeNode.js b/js/common/view/ChargeNode.js
index b414655..82bf9fd 100644
--- a/js/common/view/ChargeNode.js
+++ b/js/common/view/ChargeNode.js
@@ -2,8 +2,7 @@
 
 /**
  * Scenery node for the charge object. Children include the pusher/pullers, the circular charge, the force arrow, and
- * all labels. Most instantiation details are handled in ISLCObjectNode including all property linking and drawing.
- // REVIEW: Use Property instead of property in above comment
+ * all labels. Most instantiation details are handled in ISLCObjectNode including all Property linking and drawing.
  *
  * @author Jesse Greenberg (PhET Interactive Simulations)
  * @author Michael Barlow (PhET Interactive Simulations)
@@ -17,9 +16,10 @@ define( function( require ) {
   var coulombsLaw = require( 'COULOMBS_LAW/coulombsLaw' );
   var CoulombsLawColorProfile = require( 'COULOMBS_LAW/common/CoulombsLawColorProfile' );
   var inherit = require( 'PHET_CORE/inherit' );
-  var RangeWithValue = require('DOT/RangeWithValue'); 
-  var RadialGradient = require( 'SCENERY/util/RadialGradient' );
   var ISLCObjectNode = require('INVERSE_SQUARE_LAW_COMMON/view/ISLCObjectNode');
+  var RangeWithValue = require('DOT/RangeWithValue');
+  var RadialGradient = require( 'SCENERY/util/RadialGradient' );
+  var Tandem = require( 'TANDEM/Tandem' );
 
   // constants
   var ISLCConstants = require( 'INVERSE_SQUARE_LAW_COMMON/ISLCConstants' );
@@ -30,11 +30,10 @@ define( function( require ) {
    * @param {Charge} chargeObjectModel
    * @param {Bounds2} layoutBounds
    * @param {ModelViewTransform2} modelViewTransform
-   * @param {Tandem} tandem // TODO: move to options // REVIEW: Handle todo
    * @param {Object} options
    * @constructor
    */
-  function ChargeNode( model, chargeObjectModel, layoutBounds, modelViewTransform, tandem, options ) {
+  function ChargeNode( model, chargeObjectModel, layoutBounds, modelViewTransform, options ) {
 
     var forceConstant = ISLCConstants.k;
 
@@ -57,7 +56,7 @@ define( function( require ) {
       arrowStroke: CoulombsLawColorProfile.forceArrowStrokeProperty,
       labelShadowFill: CoulombsLawColorProfile.labelShadowFillProperty,
 
-      tandem: tandem.createTandem( 'chargeNode1' )
+      tandem: Tandem.required
     }, options );
 
     // @private
@@ -77,8 +76,8 @@ define( function( require ) {
 
     // function that determines the current puller image to represent
     var pullForceRange = new RangeWithValue( minForce, maxForce );
-    
-    ISLCObjectNode.call( 
+
+    ISLCObjectNode.call(
       this,
       model,
       chargeObjectModel,
diff --git a/js/coulombs-law-main.js b/js/coulombs-law-main.js
index e74b785..5ba284d 100644
--- a/js/coulombs-law-main.js
+++ b/js/coulombs-law-main.js
@@ -3,9 +3,10 @@
 /**
  * Main entry point for the sim.
  *
- * @author $AUTHOR$
+ * @author Michael Barlow (PhET Interactive Simulations)
+ * @author Jesse Greenberg (PhET Interactive Simulations)
  */
-// REVIEW: Update @author
+ 
 define( function( require ) {
   'use strict';
 
diff --git a/js/macro/view/CoulombsLawMacroView.js b/js/macro/view/CoulombsLawMacroView.js
index 291e050..7e522fa 100644
--- a/js/macro/view/CoulombsLawMacroView.js
+++ b/js/macro/view/CoulombsLawMacroView.js
@@ -44,34 +44,34 @@ define( function( require ) {
     CoulombsLawCommonView.call( this, coulombsLawModel, SCALE_FACTOR, unitsMicrocoulombsString, MODEL_VIEW_TRANSFORM_SCALE, rulerOptions, tandem );
 
     // charge nodes added in each screen to allow for different decimal precision and arrow height
-    var chargeNode1 = new ChargeNode( 
-      coulombsLawModel, 
-      coulombsLawModel.object1, 
-      this.layoutBounds, 
+    var chargeNode1 = new ChargeNode(
+      coulombsLawModel,
+      coulombsLawModel.object1,
+      this.layoutBounds,
       this.modelViewTransform,
-      tandem.createTandem( 'chargeNode1' ), 
       {
         label: charge1AbbreviatedString,
         otherObjectLabel: charge2AbbreviatedString,
         defaultDirection: 'left',
         arrowColor: '#66f',
         forceArrowHeight: 70,
-        forceReadoutDecimalPlaces: 3
+        forceReadoutDecimalPlaces: 3,
+        tandem: tandem.createTandem( 'chargeNode1' )
       } );
 
-    var chargeNode2 = new ChargeNode( 
-      coulombsLawModel, 
-      coulombsLawModel.object2, 
-      this.layoutBounds, 
+    var chargeNode2 = new ChargeNode(
+      coulombsLawModel,
+      coulombsLawModel.object2,
+      this.layoutBounds,
       this.modelViewTransform,
-      tandem.createTandem( 'chargeNode2' ), 
       {
         label: charge2AbbreviatedString,
         otherObjectLabel: charge1AbbreviatedString,
         defaultDirection: 'right',
         arrowColor: '#f66',
         forceArrowHeight: 120,
-        forceReadoutDecimalPlaces: 3
+        forceReadoutDecimalPlaces: 3,
+        tandem: tandem.createTandem( 'chargeNode2' )
       } );
 
     // charge nodes and arrows are added to the bottom of the scene graph so that the ruler will appear above them yet
@@ -87,13 +87,13 @@ define( function( require ) {
     // create a line the length of 1 cm
     var legendNodeLineLength = this.modelViewTransform.modelToViewDeltaX( 1E-2 );
 
-    var legendNode = new ISLCLegendNode( 
+    var legendNode = new ISLCLegendNode(
       legendNodeLineLength, // length of the line
       unitsMacroLegendScaleString, // unit string
       {
         fill: CoulombsLawColorProfile.legendNodeFillProperty,
         bottom: this.layoutBounds.maxY - 10,
-        tandem: tandem.createTandem( 'legendNode' ) 
+        tandem: tandem.createTandem( 'legendNode' )
       } );
 
     // REVIEW: Pass into options for legendNode.