Occurrence patterns tiers
Overview
| Name | EC 2018 Acute Tier I | EC 2018 Chronic - Tier I | EC 2018 Acute Tier II | EC 2018 Chronic Tier II | EFSA 2022 Acute Tier I | EFSA 2022 Chronic Tier I | EFSA 2022 Acute Tier II | EFSA 2022 Chronic Tier II | EFSA 2023 Acute Prospective Tier II | EFSA 2023 Chronic Prospective Tier II |
|---|---|---|---|---|---|---|---|---|---|---|
Apply occurrence pattern percentages |
false |
false |
true |
true |
false |
false |
true |
true |
true |
true |
Filter samples exceeding the concentration limits |
false |
false |
false |
false |
false |
false |
false |
false |
true |
true |
Use substance conversion rules |
true |
true |
true |
true |
true |
true |
true |
true |
true |
true |
Substance conversion method |
UseMostToxic |
UseMostToxic |
DrawRandom |
DrawRandom |
UseMostToxic |
UseMostToxic |
DrawRandom |
DrawRandom |
DrawRandom |
DrawRandom |
Retain all allocated substances after active substance allocation |
true |
true |
true |
true |
true |
true |
true |
true |
true |
true |
Account for substance authorisations in substance conversions |
false |
false |
true |
true |
false |
false |
true |
true |
true |
true |
Fix duplicate substance allocation inconsistencies |
false |
false |
false |
false |
false |
false |
false |
false |
false |
false |
Use extrapolation rules |
true |
true |
true |
true |
false |
false |
false |
false |
false |
false |
Threshold for extrapolation |
10 |
10 |
10 |
10 |
||||||
Restrict extrapolations to equal MRLs |
true |
true |
true |
true |
||||||
Restrict extrapolations to authorised uses |
true |
true |
true |
true |
||||||
Impute water concentrations |
true |
true |
true |
true |
true |
true |
true |
true |
true |
true |
Water concentration value (µg/kg) |
0.1 |
0.1 |
0.05 |
0.05 |
0.1 |
0.1 |
0.05 |
0.05 |
0.05 |
0.05 |
Restrict water imputation to the five most toxic substances |
true |
true |
true |
true |
true |
true |
true |
true |
true |
true |
Restrict water imputation to authorised uses |
false |
false |
false |
false |
false |
false |
false |
false |
false |
false |
Restrict water imputation to approved substances |
false |
false |
false |
false |
true |
true |
true |
true |
true |
true |
Scale up use frequency to 100% |
true |
true |
true |
true |
true |
true |
||||
Restrict use percentage up-scaling to authorised uses |
true |
true |
true |
true |
true |
true |
||||
Concentration limit filter exceedance factor |
2 |
2 |
||||||||
Include focal commodity concentrations |
true |
true |
||||||||
Focal commodity substance occurrence percentage |
20 |
20 |
||||||||
Adjustment factor for the focal food/substance concentration |
1 |
1 |
||||||||
Use deterministic substance conversions for focal commodity |
true |
true |
Retrospective dietary CRA (EC 2018) - Acute / Tier I
Retrospective dietary CRA (EC 2018) - Chronic / Tier I
Retrospective dietary CRA (EC 2018) - Acute / 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 | ||
| Filter samples exceeding the concentration limits | false | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Use substance conversion rules | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Substance conversion method | DrawRandom | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Retain all allocated substances after active substance allocation | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Account for substance authorisations in substance conversions | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Fix duplicate substance allocation inconsistencies | false | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Use extrapolation rules | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Threshold for extrapolation | 10 | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Restrict extrapolations to equal MRLs | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Restrict extrapolations to authorised uses | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Impute water concentrations | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Water concentration value (µg/kg) | 0.05 | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Restrict water imputation to the five most toxic substances | true | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Restrict water imputation to authorised uses | false | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
| Restrict water imputation to approved substances | false | Retrospective dietary CRA (EC 2018) - Acute / Tier II | Concentrations |
Retrospective dietary CRA (EC 2018) - Chronic / Tier II
Retrospective dietary CRA (EFSA 2022) - Acute / Tier I
Retrospective dietary CRA (EFSA 2022) - Chronic / Tier I
Retrospective dietary CRA (EFSA 2022) - Acute / 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 | ||
| Filter samples exceeding the concentration limits | false | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Use substance conversion rules | true | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Substance conversion method | DrawRandom | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Retain all allocated substances after active substance allocation | true | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Account for substance authorisations in substance conversions | true | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Fix duplicate substance allocation inconsistencies | false | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Use extrapolation rules | false | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Impute water concentrations | true | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Water concentration value (µg/kg) | 0.05 | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Restrict water imputation to the five most toxic substances | true | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Restrict water imputation to authorised uses | false | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
| Restrict water imputation to approved substances | true | Retrospective dietary CRA (EFSA 2022) - Acute / Tier II | Concentrations |
Retrospective dietary CRA (EFSA 2022) - Chronic / 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 | ||
| Filter samples exceeding the concentration limits | false | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Use substance conversion rules | true | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Substance conversion method | DrawRandom | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Retain all allocated substances after active substance allocation | true | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Account for substance authorisations in substance conversions | true | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Fix duplicate substance allocation inconsistencies | false | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Use extrapolation rules | false | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Impute water concentrations | true | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Water concentration value (µg/kg) | 0.05 | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Restrict water imputation to the five most toxic substances | true | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Restrict water imputation to authorised uses | false | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
| Restrict water imputation to approved substances | true | Retrospective dietary CRA (EFSA 2022) - Chronic / Tier II | Concentrations |
Prospective dietary CRA (EFSA 2023) - Acute / 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 | ||
| Filter samples exceeding the concentration limits | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Concentration limit filter exceedance factor | 2 | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Use substance conversion rules | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Substance conversion method | DrawRandom | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Retain all allocated substances after active substance allocation | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Account for substance authorisations in substance conversions | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Fix duplicate substance allocation inconsistencies | false | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Use extrapolation rules | false | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Impute water concentrations | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Water concentration value (µg/kg) | 0.05 | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Restrict water imputation to the five most toxic substances | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Restrict water imputation to authorised uses | false | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Restrict water imputation to approved substances | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Include focal commodity concentrations | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Focal commodity substance occurrence percentage | 20 | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Adjustment factor for the focal food/substance concentration | 1 | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |
| Use deterministic substance conversions for focal commodity | true | Prospective dietary CRA (EFSA 2023) - Acute / Tier II | Concentrations |