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     "values": [
      "3"
     ]
    },
    {
     "label": "  1.5% (PCBs and Unknown Toxics)",
     "url": "ded4954c30d5fa1c3f038fcca04442a3",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNpamr6z0BFwAIiGO0vUsWw/wf1IQZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBj+P6hPNRMB+lMHxdBex8wAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "4"
     ]
    },
    {
     "label": "  8.8% (PCBs and Priority Organics)",
     "url": "1359b2b59481862327e4195251c56830",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNpamr6z0BFwAIi7vHvp4phSh8dIQZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBgqfXSkmokA95MHKgYBei0AAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "7"
     ]
    },
    {
     "label": "  2.9% (PCBs, Priority Organics and Metals)",
     "url": "f867bb5efcd9fa6852e7faf8bae0cdd9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAPklEQVQ4jWNpamr6z0BFwAIiWk++pIph1ebiEAOpCVhGDaQYsFBuBCoYNZBywEIFM1DAqIEjJgyrzcWpZiIA9nUGn2zQ8sgAAAAASUVORK5CYII=",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "8"
     ]
    },
    {
     "label": "           None Listed",
     "url": "53f8237f4b8067393517b888fbb571a9",
     "imageData": "iVBORw0KGgoAAAANSUhEUgAAABQAAAAUCAYAAACNiR0NAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAP0lEQVQ4jWNpamr6z0BFwAIiQiJjqGLYmuVLIAZSE7CMGkgxYKHcCFQwaiDlgIUKZqCAUQNHTBiuWb6EaiYCAPmjB80FM75dAAAAAElFTkSuQmCC",
     "contentType": "image/png",
     "groupId": "0",
     "height": 20,
     "width": 20,
     "values": [
      "9"
     ]
    }
   ],
   "legendGroups": [
    {
     "id": "0",
     "heading": ""
    }
   ]
  }
 ]
}