| Measures | Ortho-phosphates (OP), total phosphorus (TP), nitrate (NO3), nitrate + nitrite (NOx), nitrite (NO2), total nitrogen (TN), total Kjeldahl nitrogen (TKN), ammonia (NH3), phenol, cyanide | Ortho-phosphates (OP), total phosphorus (TP), nitrate (NO3), nitrate + nitrite (NOx), nitrite (NO2), total nitrogen (TN), total Kjeldahl nitrogen (TKN), ammonia (NH3), cyanide |