diff --git a/examples/example.js b/examples/example.js
index d399be0..6411bc1 100644
--- a/examples/example.js
+++ b/examples/example.js
@@ -26,6 +26,7 @@ if (!data || data.length === 0) {
     renderGraphs(data, serviceId);
 }
 
+// eslint-disable-next-line no-unused-vars
 function renderCfdGraph(data, controlsElementSelector, loadConfigInputSelector, resetConfigInputSelector) {
     //The cfd area chart and brush window elements css selectors
     const cfdGraphElementSelector = "#cfd-area-div";
diff --git a/src/graphs/Renderer.js b/src/graphs/Renderer.js
index cb51b7c..4f06585 100644
--- a/src/graphs/Renderer.js
+++ b/src/graphs/Renderer.js
@@ -1,4 +1,5 @@
 import * as d3 from 'd3';
+import styles from './tooltipStyles.module.css';
 
 /**
  * Represents a generic graphs renderer
@@ -18,6 +19,8 @@ export class Renderer {
 
   constructor(data) {
     this.data = data;
+    this.tooltip = null;
+    this.tooltipTimeout = null;
   }
 
   /**
@@ -143,4 +146,95 @@ export class Renderer {
   updateGraph(domain) {
     throw new Error('Method not implemented. It must be implemented in subclasses!');
   }
+
+  /**
+   * Shows the tooltip with provided event data.
+   * @param {Object} event - The event data for the tooltip.
+   */
+  showTooltip(event) {
+    this.clearTooltipTimeout();
+    !this.tooltip && this.createTooltip();
+    this.clearTooltipContent();
+    this.positionTooltip(event.tooltipLeft, event.tooltipTop);
+    this.populateTooltip(event);
+    this.tooltipTimeout = setTimeout(() => {
+      this.hideTooltip();
+    }, 10000);
+
+    this.tooltip.on('mouseleave', () => this.setupMouseLeaveHandler());
+  }
+
+  /**
+   * Populates the tooltip's content with event data: ticket id and observation body
+   * @param {Object} event - The event data for the tooltip.
+   */
+  // eslint-disable-next-line no-unused-vars
+  populateTooltip(event) {
+    throw new Error('populateTooltip() must be implemented by child class');
+  }
+
+  /**
+   * Hides the tooltip.
+   */
+  hideTooltip() {
+    this.clearTooltipTimeout(); // Clear the timeout when manually hiding
+    this.tooltip?.transition().duration(100).style('opacity', 0).style('pointer-events', 'none');
+  }
+
+  clearTooltipTimeout() {
+    if (this.tooltipTimeout) {
+      clearTimeout(this.tooltipTimeout);
+      this.tooltipTimeout = null;
+    }
+  }
+
+  cleanupTooltip() {
+    this.clearTooltipTimeout();
+    this.hideTooltip();
+    if (this.tooltip) {
+      this.tooltip.remove();
+      this.tooltip = null;
+    }
+  }
+
+  /**
+   * Creates a tooltip for the chart used for the observation logging.
+   */
+  createTooltip() {
+    this.tooltip = d3.select('body').append('div').attr('class', styles.chartTooltip).attr('id', 's-tooltip').style('opacity', 0);
+  }
+
+  /**
+   * Positions the tooltip on the page.
+   * @param {number} left - The left position for the tooltip.
+   * @param {number} top - The top position for the tooltip.
+   */
+  positionTooltip(left, top) {
+    this.tooltip.transition().duration(100).style('opacity', 0.9).style('pointer-events', 'auto');
+    this.tooltip.style('left', left + 'px').style('top', top + 'px');
+  }
+
+  /**
+   * Clears the content of the tooltip.
+   */
+  clearTooltipContent() {
+    this.tooltip.selectAll('*').remove();
+  }
+
+  setupMouseLeaveHandler(retries = 10) {
+    const svgNode = this.svg?.node();
+    if (!svgNode || !svgNode.parentNode) {
+      if (retries > 0) {
+        setTimeout(() => this.setupMouseLeaveHandler(retries - 1), 100);
+      } else {
+        console.error('SVG parentNode is not available after retries.');
+      }
+      return;
+    }
+    d3.select(svgNode.parentNode).on('mouseleave', (event) => {
+      if (event.relatedTarget !== this.tooltip?.node()) {
+        this.hideTooltip();
+      }
+    });
+  }
 }
diff --git a/src/graphs/cfd/CFDRenderer.js b/src/graphs/cfd/CFDRenderer.js
index c89ce9c..9551251 100644
--- a/src/graphs/cfd/CFDRenderer.js
+++ b/src/graphs/cfd/CFDRenderer.js
@@ -75,7 +75,7 @@ export class CFDRenderer extends UIControlsRenderer {
     if (this.eventBus && Array.isArray(mouseChartsEvents)) {
       mouseChartsEvents.forEach((chart) => {
         this.eventBus?.addEventListener(`${chart}-mousemove`, (event) => this.#handleMouseEvent(event, `${chart}-mousemove`));
-        this.eventBus?.addEventListener(`${chart}-mouseleave`, () => this.hideTooltipAndMovingLine());
+        this.eventBus?.addEventListener(`${chart}-mouseleave`, () => this.hideTooltip());
       });
     }
   }
@@ -432,15 +432,14 @@ export class CFDRenderer extends UIControlsRenderer {
   /**
    * Shows the tooltip and the moving line at a specific position
    * @param {Object} event - The event object containing details: coordinates for the tooltip and line.
-   * @private
    */
-  #showTooltipAndMovingLine(event) {
-    !this.tooltip && this.#createTooltipAndMovingLine(event.lineX, event.lineY);
+  showTooltip(event) {
+    !this.tooltip && this.createTooltip(event.lineX, event.lineY);
     let { tooltipWidth, tooltipTop } = this.computeTooltipWidthAndTop(event);
 
-    this.#clearTooltipAndMovingLine(event.lineX, event.lineY);
-    this.#positionTooltip(event.tooltipLeft, tooltipTop, tooltipWidth);
-    this.#populateTooltip(event);
+    this.clearTooltipContent(event.lineX, event.lineY);
+    this.positionTooltip(event.tooltipLeft, tooltipTop, tooltipWidth);
+    this.populateTooltip(event);
   }
 
   computeTooltipWidthAndTop(event) {
@@ -482,7 +481,7 @@ export class CFDRenderer extends UIControlsRenderer {
   /**
    * Hides the tooltip and the moving line on the chart.
    */
-  hideTooltipAndMovingLine() {
+  hideTooltip() {
     if (this.tooltip) {
       this.tooltip.transition().duration(100).style('opacity', 0).style('pointer-events', 'none');
       this.cfdLine.transition().duration(100).style('display', 'none');
@@ -490,11 +489,22 @@ export class CFDRenderer extends UIControlsRenderer {
     }
   }
 
+  cleanupTooltip() {
+    this.hideTooltip();
+    if (this.tooltip) {
+      this.tooltip.remove();
+      this.tooltip = null;
+    }
+    if (this.cfdLine) {
+      this.cfdLine.remove();
+      this.cfdLine = null;
+    }
+  }
+
   /**
    * Creates a tooltip and a moving line for the chart used for the metrics and observation logging.
-   * @private
    */
-  #createTooltipAndMovingLine(x, y) {
+  createTooltip(x, y) {
     this.tooltip = d3.select('body').append('div').attr('class', styles.chartTooltip).attr('id', 'c-tooltip').style('opacity', 0);
     this.cfdLine = this.chartArea
       ?.append('line')
@@ -509,22 +519,28 @@ export class CFDRenderer extends UIControlsRenderer {
 
   /**
    * Positions the tooltip on the page.
-   * @private
    * @param {number} left - The left position for the tooltip.
    * @param {number} top - The top position for the tooltip.
    * @param {number} width - The width for the tooltip.
    */
-  #positionTooltip(left, top, width) {
+  positionTooltip(left, top, width) {
     this.tooltip?.transition().duration(100).style('opacity', 0.9).style('pointer-events', 'auto');
     this.tooltip?.style('left', left - width + 'px').style('top', top + 'px');
   }
 
+  /**
+   * Clears the content of the tooltip and the moving line.
+   */
+  clearTooltipContent(x, y) {
+    this.cfdLine?.attr('stroke', 'black').attr('y1', 0).attr('y2', y).attr('x1', x).attr('x2', x).style('display', null);
+    this.tooltip?.selectAll('*').remove();
+  }
+
   /**
    * Populates the tooltip's content with event data: data, metrics and observation body
-   * @private
    * @param {Object} event - The event data for the tooltip.
    */
-  #populateTooltip(event) {
+  populateTooltip(event) {
     this.tooltip?.append('p').text(formatDateToLocalString(event.date)).attr('class', styles.tooltipDate);
 
     const gridContainer = this.tooltip?.append('div').attr('class', styles.tooltipGrid);
@@ -566,15 +582,6 @@ export class CFDRenderer extends UIControlsRenderer {
     }
   }
 
-  /**
-   * Clears the content of the tooltip and the moving line.
-   * @private
-   */
-  #clearTooltipAndMovingLine(x, y) {
-    this.cfdLine?.attr('stroke', 'black').attr('y1', 0).attr('y2', y).attr('x1', x).attr('x2', x).style('display', null);
-    this.tooltip?.selectAll('*').remove();
-  }
-
   //endregion
 
   //region Metrics
@@ -632,7 +639,7 @@ export class CFDRenderer extends UIControlsRenderer {
         observationBody: observation?.body,
         observationId: observation?.id,
       };
-      this.#showTooltipAndMovingLine(data);
+      this.showTooltip(data);
       eventName.includes('click') && this.eventBus?.emitEvents(eventName, data);
     }
   }
@@ -642,7 +649,7 @@ export class CFDRenderer extends UIControlsRenderer {
    * @private
    */
   #setupMouseLeaveHandler() {
-    this.chartArea?.on('mouseleave', () => this.hideTooltipAndMovingLine());
+    this.chartArea?.on('mouseleave', () => this.hideTooltip());
   }
 
   /**
diff --git a/src/graphs/control-chart/ControlRenderer.js b/src/graphs/control-chart/ControlRenderer.js
index f15e572..6bc1ed0 100644
--- a/src/graphs/control-chart/ControlRenderer.js
+++ b/src/graphs/control-chart/ControlRenderer.js
@@ -51,7 +51,6 @@ export class ControlRenderer extends ScatterplotRenderer {
   }
 
   populateTooltip(event) {
-    console.log('populateTooltip', event);
     this.tooltip
       .style('pointer-events', 'auto')
       .style('opacity', 0.9)
diff --git a/src/graphs/scatterplot/ScatterplotRenderer.js b/src/graphs/scatterplot/ScatterplotRenderer.js
index 782fbe0..39d44ce 100644
--- a/src/graphs/scatterplot/ScatterplotRenderer.js
+++ b/src/graphs/scatterplot/ScatterplotRenderer.js
@@ -1,6 +1,5 @@
 import { calculateDaysBetweenDates } from '../../utils/utils.js';
 import { UIControlsRenderer } from '../UIControlsRenderer.js';
-import styles from '../tooltipStyles.module.css';
 
 import * as d3 from 'd3';
 
@@ -487,32 +486,6 @@ export class ScatterplotRenderer extends UIControlsRenderer {
 
   //region Tooltip
 
-  /**
-   * Shows the tooltip with provided event data.
-   * @param {Object} event - The event data for the tooltip.
-   */
-  showTooltip(event) {
-    !this.tooltip && this.#createTooltip();
-    this.#clearTooltipContent();
-    this.#positionTooltip(event.tooltipLeft, event.tooltipTop);
-    this.populateTooltip(event);
-  }
-
-  /**
-   * Hides the tooltip.
-   */
-  hideTooltip() {
-    this.tooltip?.transition().duration(100).style('opacity', 0).style('pointer-events', 'none');
-  }
-
-  /**
-   * Creates a tooltip for the chart used for the observation logging.
-   * @private
-   */
-  #createTooltip() {
-    this.tooltip = d3.select('body').append('div').attr('class', styles.chartTooltip).attr('id', 's-tooltip').style('opacity', 0);
-  }
-
   /**
    * Populates the tooltip's content with event data: ticket id and observation body
    * @private
@@ -532,26 +505,6 @@ export class ScatterplotRenderer extends UIControlsRenderer {
       });
     event.observationBody && this.tooltip.append('p').text('Observation: ' + event.observationBody);
   }
-
-  /**
-   * Positions the tooltip on the page.
-   * @private
-   * @param {number} left - The left position for the tooltip.
-   * @param {number} top - The top position for the tooltip.
-   */
-  #positionTooltip(left, top) {
-    this.tooltip.transition().duration(100).style('opacity', 0.9).style('pointer-events', 'auto');
-    this.tooltip.style('left', left + 'px').style('top', top + 'px');
-  }
-
-  /**
-   * Clears the content of the tooltip.
-   * @private
-   */
-  #clearTooltipContent() {
-    this.tooltip.selectAll('*').remove();
-  }
-
   //endregion
 
   //region Metrics
@@ -615,7 +568,6 @@ export class ScatterplotRenderer extends UIControlsRenderer {
     }
     d3.select(svgNode.parentNode).on('mouseleave', (event) => {
       if (event.relatedTarget !== this.tooltip?.node()) {
-        console.log('setup mouse leave to hide tooltip');
         this.hideTooltip();
       }
     });
diff --git a/src/graphs/work-item-age/WorkItemAgeRenderer.js b/src/graphs/work-item-age/WorkItemAgeRenderer.js
index 37c53ac..e4a9128 100644
--- a/src/graphs/work-item-age/WorkItemAgeRenderer.js
+++ b/src/graphs/work-item-age/WorkItemAgeRenderer.js
@@ -1,5 +1,4 @@
 import * as d3 from 'd3';
-import styles from '../tooltipStyles.module.css';
 import { Renderer } from '../Renderer.js';
 
 export class WorkItemAgeRenderer extends Renderer {
@@ -194,30 +193,6 @@ export class WorkItemAgeRenderer extends Renderer {
     gy.call(d3.axisLeft(y)).selectAll('text').attr('class', 'axis-label');
   }
 
-  showTooltip(event) {
-    !this.tooltip && this.#createTooltip();
-    this.#clearTooltipContent();
-    this.#positionTooltip(event.tooltipLeft, event.tooltipTop);
-    this.populateTooltip(event);
-    this.tooltip.on('mouseleave', () => this.setupMouseLeaveHandler());
-  }
-
-  /**
-   * Hides the tooltip.
-   */
-  hideTooltip() {
-    console.log('hide tooltip');
-    this.tooltip?.transition().duration(100).style('opacity', 0).style('pointer-events', 'none');
-  }
-
-  /**
-   * Creates a tooltip for the chart used for the observation logging.
-   * @private
-   */
-  #createTooltip() {
-    this.tooltip = d3.select('body').append('div').attr('class', styles.chartTooltip).attr('id', 's-tooltip').style('opacity', 0);
-  }
-
   /**
    * Populates the tooltip's content with event data: ticket id and observation body
    * @private
@@ -240,25 +215,6 @@ export class WorkItemAgeRenderer extends Renderer {
     });
   }
 
-  /**
-   * Positions the tooltip on the page.
-   * @private
-   * @param {number} left - The left position for the tooltip.
-   * @param {number} top - The top position for the tooltip.
-   */
-  #positionTooltip(left, top) {
-    this.tooltip.transition().duration(100).style('opacity', 0.9).style('pointer-events', 'auto');
-    this.tooltip.style('left', left + 'px').style('top', top + 'px');
-  }
-
-  /**
-   * Clears the content of the tooltip.
-   * @private
-   */
-  #clearTooltipContent() {
-    this.tooltip.selectAll('*').remove();
-  }
-
   handleMouseClickEvent(event, d) {
     const observationsData = [];
     d.items.forEach((item) => {
@@ -279,23 +235,6 @@ export class WorkItemAgeRenderer extends Renderer {
     this.showTooltip(data);
   }
 
-  setupMouseLeaveHandler(retries = 10) {
-    const svgNode = this.svg?.node();
-    if (!svgNode || !svgNode.parentNode) {
-      if (retries > 0) {
-        setTimeout(() => this.setupMouseLeaveHandler(retries - 1), 100);
-      } else {
-        console.error('SVG parentNode is not available after retries.');
-      }
-      return;
-    }
-    d3.select(svgNode.parentNode).on('mouseleave', (event) => {
-      if (event.relatedTarget !== this.tooltip?.node()) {
-        this.hideTooltip();
-      }
-    });
-  }
-
   setupObservationLogging(observations) {
     if (observations?.data?.length > 0) {
       this.observations = observations;
@@ -344,10 +283,7 @@ export class WorkItemAgeRenderer extends Renderer {
   }
 
   drawPercentileLines(data, y) {
-    console.log('drawPercentileLines');
     const dataSortedByAge = [...data].sort((a, b) => a.age - b.age);
-    console.log('dataSortedByAge');
-    console.table(dataSortedByAge);
     const percentile1 = this.computePercentileLine(dataSortedByAge, 0.5);
     const percentile2 = this.computePercentileLine(dataSortedByAge, 0.75);
     const percentile3 = this.computePercentileLine(dataSortedByAge, 0.85);