<achart>
{
  "chart": {
    "type": "line",
    "height": 400
  },
  "title": {
    "text": "Control Chart - Punti Critici Evidenziati"
  },
  "series": [
    {
      "name": "Valori normali",
      "data": [
        [1, 23.5], [2, 24.1], [3, 26.2], [5, 24.8], 
        [6, 24.3], [7, 25.7], [8, 23.9], [9, 25.2], [10, 24.6]
      ]
    },
    {
      "name": "Fuori controllo",
      "data": [[4, 31.2]],
      "color": "#FF0000"
    }
  ],
  "markers": {
    "size": [4, 8],
    "colors": ["#0066CC", "#FF0000"]
  },
  "annotations": {
    "yaxis": [
      {
        "y": 30,
        "borderColor": "#FF0000",
        "strokeDashArray": 5,
        "label": { "text": "UCL" }
      },
      {
        "y": 25,
        "borderColor": "#00AA00",
        "label": { "text": "CL" }
      },
      {
        "y": 20,
        "borderColor": "#FF0000",
        "strokeDashArray": 5,
        "label": { "text": "LCL" }
      }
    ]
  }
}
</achart>