Averaging Time Adjustment Calculator
Same already integrated cumulative dose reaveraged onto an independently applicable target interval, not fabricate exposure-duration factors or replace route-specific reference conventions.
Description
Reaveraging preserves a previously integrated cumulative amount while changing its averaging period.
Reaveraging preserves a previously integrated cumulative amount while changing its averaging period.1
That bookkeeping does not create an unmeasured exposure-duration adjustment.
When to use Averaging Time Adjustment Calculator
Use this tool to calculate or review the supplied observations under the stated rules. Establish the chemical, exposure route, endpoint, measurement basis and independently applicable assay or assessment reference.
How to use Averaging Time Adjustment Calculator and understand its results
- Establish the chemical, exposure route, endpoint, measurement basis and independently applicable assay or assessment reference.
- Enter independentlyEstablishedOriginalAverageDailyDose, actualOriginalAveragingDays, callerIndependentlyApplicableTargetAveragingDays, using the field meanings and rules below, then run the tool.
- Read result.conditionalReaveragedDailyDose. Use the units and subtraction order below to interpret each value; retain negative differences where returned.
- Correct any reported input issue and run again. Before using a successful result, check the stated units, signs, reference scope and observation coverage.
| Input field | Meaning | Value type | Requirement |
|---|---|---|---|
| independentlyEstablishedOriginalAverageDailyDose | Independently established original average daily dose | number | Required |
| actualOriginalAveragingDays | Actual original averaging days | number | Required |
| callerIndependentlyApplicableTargetAveragingDays | Caller independently applicable target averaging days | number | Required |
Require nonnegative original average dose and positive original and target averaging periods. Preserve the declared integrated exposure by scaling the average with original period divided by target period. The calculation does not establish a chronic risk estimate or fill unobserved exposure.
reaveragedDose=originalAverageDose×originalDays/targetDays Use the matching field units and the exact boundary, ordering and reference rules above.
| Output field | Meaning | Value type |
|---|---|---|
| result | Qualified observed calculation or explicit reference | object |
| result.conditionalReaveragedDailyDose | Original average dose scaled by original/target averaging period. | number |
{
"input": {
"independentlyEstablishedOriginalAverageDailyDose": 6,
"actualOriginalAveragingDays": 10,
"callerIndependentlyApplicableTargetAveragingDays": 20
},
"output": {
"result": {
"conditionalReaveragedDailyDose": 3
}
}
}Limitations and assumptions
Chemical identity, route, assay, exposure basis and reference applicability are caller-established. The output supplies no causal conclusion, universal toxicity threshold or authoritative regulatory determination.
Missing required fields, unknown fields, wrong types and violated rules return input issues. Numeric values and outputs must be finite. Extremely large composite outputs are rejected.
Alternative or Complementary methods
For a related step, use Intake Rate Adjustment Calculator: Linear intake-rate adjustment preserves a supplied scenario's concentration and other dose assumptions while changing intake. For a complementary comparison, use Exposure Frequency Adjustment Calculator: An exposure-day average depends on how many calendar days are exposed under the declared scenario.
References
-
Averaging Time Adjustment Calculator — tool.io
Similar or alternative tools
- Intake Rate Adjustment Calculator
Linear intake-rate adjustment preserves a supplied scenario's concentration and other dose assumptions while changing intake.
- Exposure Frequency Adjustment Calculator
An exposure-day average depends on how many calendar days are exposed under the declared scenario.