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Table 4 Scores according to the criteria of the quality components of effluent management

From: Assessment of the quality of effluent management from university hospitals in the Littoral department in Benin

Criteria   CNHU-HKM CHU-MEL HIA-CHU CHUZ-SL
ES OS OS OS OS
« Structure » Component
 Human resources 5 1 1 0 1
  Training on biomedical waste management 1 0 1 0 1
  Continuing education in the management of liquid biomedical waste 1 0 0 0 0
  Knowledge of the liquid biomedical waste management process 1 0 0 0 0
  Knowledge of the causes of mismanagement 1 0 0 0 0
  Knowledge of the risks generated by hospital effluents 1 1 0 0 0
 Political / institutional organization 11 6 2 2 2
  Existence of a Nosocomial Infections Control Committee (CLIN) 1 1 0 0 0
  Existence of hospital hygiene teams 1 1 0 0 0
  Functionality of CLIN 1 1 0 0 0
  Involvement of the CLIN in the management of effluents 1 0 0 0 0
  Existence of effluent management protocols 1 1 0 0 0
  Existence of activity reports on effluent management 1 0 0 0 0
  Existence of a monitoring plan for effluent management activities 1 0 0 0 0
  Involvement of the hygiene department in the management of effluents 1 1 1 1 1
  Existence of a maintenance plan for the WWTP and septic tanks 1 0 0 0 0
  Designation of an effluent management manager 1 1 1 1 1
  Existence of budget for wastewater management 1 0 0 0 0
 Material resources 5 4 3 3 3
  Availability of personal protective equipment (PPE) 1 1 1 1 1
  Availability of washbasins 1 1 1 1 1
  Availability of sump 1 1 1 1 1
  Availability of infectious liquid waste collection containers 1 0 0 0 0
  Availability of disinfectants 1 1 1 1 1
“Process” component
 Service level management 9 3 3 4 3
  Sorting of effluents before pretreatment 1 0 0 1 0
  Effluent pretreatment 1 0 0 0 0
  Knowledge of the disinfectant used for pretreatment 1 1 1 1 1
  Knowledge of the concentration of disinfectant used 1 0 0 0 0
  Daily use of disinfectants 1 1 1 1 1
  Respect of the contact time (at least 15 min) 1 0 0 0 0
  Wearing personal protective equipment 1 1 1 1 1
  Display of effluent management protocols 1 0 0 0 0
  Display of effluent disinfection protocol 1 0 0 0 0
 Management of WWTPs and Septic tanks (FS) 7 2 2 1 1
  Effluent treatment frequency 1 0 0 0 0
  Quality control of effluents 1 1 1 0 0
  Quality control frequency 1 1 0 0 0
  Control of the functioning of WWTPs and FS 1 0 0 0 0
  Disposal of sludge from WWTP / FS 1 0 0 0 0
  FS 1 oil change frequency 1 1 1 1
  Maintenance and renewal of FS / STEP 1 treatment product 1 0 0 0 0
“Result” Component
 Physico-chemical characteristics 8 2 2 2 3
  Hydrogen potential [6-9] 1 1 1 1 1
  Temperature < 30 1 1 1 1 1
  Suspended Materials ≤35 * 1 0 0 0 0
  Dissolved oxygen> 5 mg / L 1 0 0 0 0
  Chemical O2 Demand (COD) < 125 * 1 0 0 0 1
  Biochemical O2 demand (BOD5) < 25 * 1 0 0 0 0
  Total phosphorus < 10 1 0 0 0 0
  Ammonium < 0.2 mg / L 1 0 0 0 0
 Bacteriological characteristics 1 0 0 0 0
  Faecal coliforms ≤2.103 1 0 0 0 0
 Toxicological characteristics 2 2 2 2 2
  Cadmium < 1 mg / L 1 1 1 1 1
  Lead < 1 mg / L 1 1 1 1 1
Quality of management of university hospital effluents
 TOTAL 48 20 15 14 14
  1. Legend: ES expected score, OS observed score