Total ingestion of nitrates from drinking water: Difference between revisions

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(New page: {{variable}} == Scope<br> == This includes a verbal definition of the spatial, temporal, and other limits (system boundaries) of the variable. The scope is defined according to the use p...)
 
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== Scope<br> ==
== Scope<br> ==


This includes a verbal definition of the spatial, temporal, and other limits (system boundaries) of the variable. The scope is defined according to the use purpose of the assessment(s) that the variable belongs to.<br>
* First pass assessment:
**England and Wales 
 
* Second pass assessment:
** England and Wales
** Finland
** Spain
** Romania
**Hungary


<br>
<br>
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== Definition<br> ==
== Definition<br> ==


The definition uses algebra or other explicit methods if possible.<br>
Total daily ingestion of nitrates in drinking water by infants under six months of age.<br>


=== Causality<br> ===
=== Causality<br> ===
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=== Data<br> ===
=== Data<br> ===


*General drinking water consumption by infants under 6 months of age: 0.2879 (http://rais.ornl.gov/homepage/DRAFT_EXPOSURE_HANDBOOK.pdf)
{| {{prettytable}}
| Min
| 4.08E-04
|----
| Median
| 0.287946908
|----
| Mean
| 0.305536455
|----
| Max
| 0.796745464
|----
| Std. Dev.
| 0.183531901
|----
|}
*Total daily ingestion of  drinking water
*Drinking water ingestion rate
*Percentage of bottle fed infants
*Weight




=== Formula<br> ===
=== Formula<br> ===


The variable "Total ingestion of nitrates from drinking water" is found in the Analytica version of the nitrate model.  [[Image:Nitrate.ANA]]




=== Unit<br> ===
=== Unit<br> ===
 
mg/kg/d




== Result<br> ==
== Result<br> ==


If possible, a numerical expression or distribution.<br>
<gallery>
Image:Total daily ingestion nitrate.PNG|'''Figure 1''' - Medians of total daily ingestion of nitrate by infants under 6 months old in England & UK areas
</gallery>

Latest revision as of 12:17, 10 September 2008


Scope

  • First pass assessment:
    • England and Wales
  • Second pass assessment:
    • England and Wales
    • Finland
    • Spain
    • Romania
    • Hungary


Definition

Total daily ingestion of nitrates in drinking water by infants under six months of age.

Causality

Data

Min 4.08E-04
Median 0.287946908
Mean 0.305536455
Max 0.796745464
Std. Dev. 0.183531901
  • Total daily ingestion of drinking water
  • Drinking water ingestion rate
  • Percentage of bottle fed infants
  • Weight


Formula

The variable "Total ingestion of nitrates from drinking water" is found in the Analytica version of the nitrate model. File:Nitrate.ANA


Unit

mg/kg/d


Result

  • Figure 1 - Medians of total daily ingestion of nitrate by infants under 6 months old in England & UK areas

    Figure 1 - Medians of total daily ingestion of nitrate by infants under 6 months old in England & UK areas

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