Description
Return method-supported mass within a sampling window.
Environmental-remediation bookkeeping uses explicit water, soil, dry-mass, concentration and sampling bases. A local mass residual, censored-result bound or supplied target margin does not identify a removal mechanism, establish representativeness or determine an environmentally acceptable contaminant level.
Return method-supported mass within a sampling window.
When to use this tool
Use Contaminant Window Support Share when checking the stated remediation measurement, mass/volume balance or support convention.
How to use the tool and how it works
- Enter concentrations, sampledVolumes, inWindow, methodVerified. Follow any array-alignment requirements below. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read windowMass, supportedMass, share, defined. Inspect defined before interpreting the associated values.
Return method-supported mass within a sampling window. Require aligned nonnegative concentrations/volumes and flags; windowMass sums C*V in window, supportedMass additionally requires methodVerified, share divides or is zero with defined false.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| concentrations | Concentrations | Required. Array of finite number; maximum items 256. |
| sampledVolumes | Sampled Volumes | Required. Array of finite number; maximum items 256. |
| inWindow | In Window | Required. Array of boolean; maximum items 256. |
| methodVerified | Method Verified | Required. Array of boolean; maximum items 256. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| windowMass | Window Mass | Required. Finite number. |
| supportedMass | Concentration*sampledVolume mass in records jointly inWindow and methodVerified; no field verification. | Required. Finite number. |
| share | Dimensionless numerator/denominator ratio under the explicit basis above. | Required. Finite number. |
| defined | Reporting flag under the explicit denominator or information policy above; inspect any zero placeholder or policy-defined value. | Required. Boolean. |
{
"input": {
"concentrations": [
2,
3,
5
],
"sampledVolumes": [
1,
2,
1
],
"inWindow": [
true,
true,
false
],
"methodVerified": [
true,
false,
true
]
},
"output": {
"windowMass": 8,
"supportedMass": 2,
"share": 0.25,
"defined": true
}
}Limitations and assumptions
- Weights are mass rather than sample counts; flags do not authenticate methods or establish representative coverage and environmental safety.
- Inputs must satisfy both the field types and the cross-field conditions above. Invalid input causes an error; a successful false flag or documented placeholder is a different result.
- Numeric calculations use binary floating point unless exact decimal-integer arithmetic is explicitly stated. No hidden measurement tolerance or decimal rounding is added; nonfinite or out-of-contract results are rejected. Numeric signed-zero results are exported as zero.
Alternative or Complementary methods
Use verified sampling and analytical data, consistent material/unit bases and a complete transport or treatment model; involve qualified environmental professionals for practical or regulatory decisions.
References
Similar or alternative tools
- Remediation Flow Weighted Concentration Term
Return volume-weighted concentration from supplied samples.
- Remediation Reference Source Gap
Compare sample reference-site labels and period-match flags.