Occurrence patterns tiers

Overview

Table 86 Tier overview for module Occurrence patterns.
Name EC 2018 Tier I EC 2018 Tier II EFSA 2022 Tier I EFSA 2022 Tier II

Apply occurrence pattern percentages

false

true

false

true

Substance conversion method

UseMostToxic

DrawRandom

UseMostToxic

DrawRandom

Retain all allocated substances after active substance allocation

true

true

true

true

Account for substance authorisations in substance conversions

false

true

false

true

Fix duplicate substance allocation inconsistencies

false

false

false

false

Use extrapolation rules

true

true

false

false

Threshold for extrapolation

10

10

Restrict extrapolations to equal MRLs

true

true

Restrict extrapolations to authorised uses

true

true

Impute water concentrations

true

true

true

true

Water concentration value (µg/kg)

0.1

0.05

0.1

0.05

Restrict water imputation to the five most toxic substances

true

true

true

true

Restrict water imputation to authorised uses

false

false

false

false

Restrict water imputation to approved substances

false

false

true

true

Scale up use frequency to 100%

true

true

Restrict use percentage up-scaling to authorised uses

true

true

Use substance conversion rules

true

true

EC 2018 Dietary CRA Tier I

Table 87 Tier definition for EC 2018 Dietary CRA Tier I.
Name Setting From input tier In module
Apply occurrence pattern percentages false
Substance conversion method UseMostToxic EC 2018 Dietary CRA Tier I Concentrations
Retain all allocated substances after active substance allocation true EC 2018 Dietary CRA Tier I Concentrations
Account for substance authorisations in substance conversions false EC 2018 Dietary CRA Tier I Concentrations
Fix duplicate substance allocation inconsistencies false EC 2018 Dietary CRA Tier I Concentrations
Use extrapolation rules true EC 2018 Dietary CRA Tier I Concentrations
Threshold for extrapolation 10 EC 2018 Dietary CRA Tier I Concentrations
Restrict extrapolations to equal MRLs true EC 2018 Dietary CRA Tier I Concentrations
Restrict extrapolations to authorised uses true EC 2018 Dietary CRA Tier I Concentrations
Impute water concentrations true EC 2018 Dietary CRA Tier I Concentrations
Water concentration value (µg/kg) 0.1 EC 2018 Dietary CRA Tier I Concentrations
Restrict water imputation to the five most toxic substances true EC 2018 Dietary CRA Tier I Concentrations
Restrict water imputation to authorised uses false EC 2018 Dietary CRA Tier I Concentrations
Restrict water imputation to approved substances false EC 2018 Dietary CRA Tier I Concentrations

EC 2018 Dietary CRA Tier II

Table 88 Tier definition for EC 2018 Dietary CRA Tier II.
Name Setting From input tier In module
Apply occurrence pattern percentages true
Scale up use frequency to 100% true
Restrict use percentage up-scaling to authorised uses true
Substance conversion method DrawRandom EC 2018 Dietary CRA Tier II Concentrations
Retain all allocated substances after active substance allocation true EC 2018 Dietary CRA Tier II Concentrations
Account for substance authorisations in substance conversions true EC 2018 Dietary CRA Tier II Concentrations
Fix duplicate substance allocation inconsistencies false EC 2018 Dietary CRA Tier II Concentrations
Use extrapolation rules true EC 2018 Dietary CRA Tier II Concentrations
Threshold for extrapolation 10 EC 2018 Dietary CRA Tier II Concentrations
Restrict extrapolations to equal MRLs true EC 2018 Dietary CRA Tier II Concentrations
Restrict extrapolations to authorised uses true EC 2018 Dietary CRA Tier II Concentrations
Impute water concentrations true EC 2018 Dietary CRA Tier II Concentrations
Water concentration value (µg/kg) 0.05 EC 2018 Dietary CRA Tier II Concentrations
Restrict water imputation to the five most toxic substances true EC 2018 Dietary CRA Tier II Concentrations
Restrict water imputation to authorised uses false EC 2018 Dietary CRA Tier II Concentrations
Restrict water imputation to approved substances false EC 2018 Dietary CRA Tier II Concentrations

EFSA 2022 Dietary CRA Tier I

Table 89 Tier definition for EFSA 2022 Dietary CRA Tier I.
Name Setting From input tier In module
Apply occurrence pattern percentages false
Use substance conversion rules true EFSA 2022 Dietary CRA Tier I Concentrations
Substance conversion method UseMostToxic EFSA 2022 Dietary CRA Tier I Concentrations
Retain all allocated substances after active substance allocation true EFSA 2022 Dietary CRA Tier I Concentrations
Account for substance authorisations in substance conversions false EFSA 2022 Dietary CRA Tier I Concentrations
Fix duplicate substance allocation inconsistencies false EFSA 2022 Dietary CRA Tier I Concentrations
Use extrapolation rules false EFSA 2022 Dietary CRA Tier I Concentrations
Impute water concentrations true EFSA 2022 Dietary CRA Tier I Concentrations
Water concentration value (µg/kg) 0.1 EFSA 2022 Dietary CRA Tier I Concentrations
Restrict water imputation to the five most toxic substances true EFSA 2022 Dietary CRA Tier I Concentrations
Restrict water imputation to authorised uses false EFSA 2022 Dietary CRA Tier I Concentrations
Restrict water imputation to approved substances true EFSA 2022 Dietary CRA Tier I Concentrations

EFSA 2022 Dietary CRA Tier II

Table 90 Tier definition for EFSA 2022 Dietary CRA Tier II.
Name Setting From input tier In module
Apply occurrence pattern percentages true
Scale up use frequency to 100% true
Restrict use percentage up-scaling to authorised uses true
Use substance conversion rules true EFSA 2022 Dietary CRA Tier II Concentrations
Substance conversion method DrawRandom EFSA 2022 Dietary CRA Tier II Concentrations
Retain all allocated substances after active substance allocation true EFSA 2022 Dietary CRA Tier II Concentrations
Account for substance authorisations in substance conversions true EFSA 2022 Dietary CRA Tier II Concentrations
Fix duplicate substance allocation inconsistencies false EFSA 2022 Dietary CRA Tier II Concentrations
Use extrapolation rules false EFSA 2022 Dietary CRA Tier II Concentrations
Impute water concentrations true EFSA 2022 Dietary CRA Tier II Concentrations
Water concentration value (µg/kg) 0.05 EFSA 2022 Dietary CRA Tier II Concentrations
Restrict water imputation to the five most toxic substances true EFSA 2022 Dietary CRA Tier II Concentrations
Restrict water imputation to authorised uses false EFSA 2022 Dietary CRA Tier II Concentrations
Restrict water imputation to approved substances true EFSA 2022 Dietary CRA Tier II Concentrations