{
  "id": "urn:ngsi-ld:SludgeQualityObserved:001",
  "type": "SludgeQualityObserved",
  "dateObserved": "2023-07-02T10:30:00Z",
  "location": {
    "type": "Point",
    "coordinates": [
      45.5197,
      12.19351
    ]
  },
  "pH": 7.5,
  "N-TOT": 0.063,
  "P-TOT": 0.024,
  "K-TOT": 0.002,
  "C-ORG": 0.397,
  "PCB": 0.0,
  "As": 33.4,
  "B": 50.8,
  "Be": 0.3,
  "Cd": 2.7,
  "Cr": 46.7,
  "Cr-VI": 0.05,
  "Cu": 264.8,
  "Hg": 1.6,
  "Ni": 33.1,
  "Se": 4.1,
  "Zn": 924.8,
  "IPA": 1.6,
  "toluene": 0.0,
  "AOX": 500.0,
  "DEHP": 100.0,
  "C10-C40": 5483.0,
  "salmonella": 100,
  "faecal-coliforms": 10000
}