Description
Return a paired treatment/control change contrast.
Remediation measurements depend on sample identity, analytical method, moisture basis and monitoring effort. A blank correction, record match or treatment/control contrast can reconcile supplied values while actual contaminant removal, representative sampling and treatment effectiveness require a complete environmental assessment.
Return a paired treatment/control change contrast.
When to use this tool
Use Bioremediation Paired Plot Change Gap when checking the stated environmental record, concentration, mass or observation convention.
How to use the tool and how it works
- Enter beforeTreatment, afterTreatment, beforeControl, afterControl. Use the units and conventions below.
- Run the tool. Correct any format, range, or cross-field input error before interpreting the output.
- Read treatmentChange, controlChange, changeDifference. Use the output convention below.
Return a paired treatment/control change contrast. treatmentChange = afterTreatment-beforeTreatment, controlChange = afterControl-beforeControl, changeDifference = treatmentChange-controlChange.1
| Input field | Meaning and units | Accepted input |
|---|---|---|
| beforeTreatment | Before Treatment | Required. Finite number. |
| afterTreatment | After Treatment | Required. Finite number. |
| beforeControl | Before Control | Required. Finite number. |
| afterControl | After Control | Required. Finite number. |
| Output field | Interpretation | Returned shape |
|---|---|---|
| treatmentChange | Treatment Change | Required. Finite number. |
| controlChange | Control Change | Required. Finite number. |
| changeDifference | Change Difference | Required. Finite number. |
{
"input": {
"beforeTreatment": 10,
"afterTreatment": 6,
"beforeControl": 8,
"afterControl": 7
},
"output": {
"treatmentChange": -4,
"controlChange": -1,
"changeDifference": -3
}
}Limitations and assumptions
- All outcomes need the same measurement basis; this arithmetic contrast does not establish causal treatment effectiveness.
- 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 records, compatible material bases and an appropriate complete treatment/transport analysis for environmental conclusions.
References
Similar or alternative tools
- Bioremediation Blank Recovery Reference Gap
Correct a measured signal for blank and supplied recovery.
- Bioremediation Background Subtracted Concentration
Return concentration after separately scaling sample and blank.