Table 2.

Evaluation of the Risk pre-assessment tools, according to 9 relevant criteria. + Criterion fulfilled; − Criterion not fulfilled; ± Criterion not fully fulfilled; NA Criterion not applicable/available.

	Criteria
Tool	Easy to Use/Understand, User-Friendliness	Quantitative Information	Uncertainty Analysis	Documented Applications/Trustworthiness	Transparency of Application/Process	Comprehension	Influence on Final Policy	Structured Decision-Making	Fair and Knowledgeable Communication Process
iNTeg-Risk Radar	+	−	−	+	+	+	−	NA	+
Nano-Risk Radar	+	−	−	−	+	+	±	+	+
IKnow	+	−	−	−	+	+	±	+	+
FORCE IDSS	+	−	−	−	+	+	−	+	+
UK Gov Horizon Scanning Centre	+	−	−	−	+	+	−	+	+
Futurescaper’s HS platform	+	−	−	−	+	+	−	+	+
RAHS	+	−	−	−	+	+	−	+	+
Cranfield U Horizon Scanning	+	−	−	−	+	+	−	+	+
Swiss Re SONAR	+	−	−	−	+	+	−	+	+
Allianz Risk Barometer	+	−	−	−	+	+	−	+	+
Causal diagram assessment	+	−	−	+	+	±	−	+	+
MCDA procedure for prioritization of Occupational Risks from NMs	-	+	+	+	+	+	−	+	+
MCDA procedure for prioritization of occupational exposure scenarios of NMs	-	+	+	+	+	+	−	+	+
MCDA procedure for hazard screening of ENMs	-	+	+	+	+	+	−	+	+
Stochastic multicriteria acceptability analysis (SMAA-TRI)	-	+	+	+-	+	+	−	+	+
Tool for ENM-Application Pair Risk Ranking (TEARR)	+	±	−	−	+	+	−	+	+
Screening Tree Tool	+	−	−	+	+	+	−	+	+
NRST (Nanomaterial Risk-Screening Tool)	+	+	−	+	+	+	−	+	+
NanoRiskCat	+	−	−	+	+	+	±	+	+
NanoGRID	+	±	−	+	+	+	±	+	+
CB NanoTool	±	−	−	−	+	+	±	+	+
ANSES CB nanotool	±	±	−	+	+	+	±	+	+
NanoSafer CB Tool	+	+	−	+	+	+	±	+	+
Stoffenmanager Nano	±	−	−	+	+	+	±	+	+
Precautionary Matrix	+	−	±	−	±	±	±	+	+