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| author | Johannes Ranke <jranke@uni-bremen.de> | 2019-04-25 10:25:56 +0200 |
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| committer | Johannes Ranke <jranke@uni-bremen.de> | 2019-04-25 10:25:56 +0200 |
| commit | 3bb842b93107dd6207610de1fe5b44be66779e4d (patch) | |
| tree | 71de40569299510311e697ffe7e9fc7d96a1c158 /inst/web/PEC_soil.html | |
| parent | 77f63efa62b6530fbe2accdacc866e34626fe4e3 (diff) | |
Remove leftover docs from earlier version
Docs now live in docs/
Diffstat (limited to 'inst/web/PEC_soil.html')
| -rw-r--r-- | inst/web/PEC_soil.html | 228 |
1 files changed, 0 insertions, 228 deletions
diff --git a/inst/web/PEC_soil.html b/inst/web/PEC_soil.html deleted file mode 100644 index 1304d19..0000000 --- a/inst/web/PEC_soil.html +++ /dev/null @@ -1,228 +0,0 @@ -<!DOCTYPE html> -<html lang="en"> - <head> - <meta charset="utf-8"> -<title>PEC_soil. pfm 0.3-7</title> -<meta name="viewport" content="width=device-width, initial-scale=1.0"> -<meta name="author" content=" -Johannes Ranke -"> - -<link href="css/bootstrap.css" rel="stylesheet"> -<link href="css/bootstrap-responsive.css" rel="stylesheet"> -<link href="css/highlight.css" rel="stylesheet"> -<link href="css/staticdocs.css" rel="stylesheet"> - -<!--[if lt IE 9]> - <script src="http://html5shim.googlecode.com/svn/trunk/html5.js"></script> -<![endif]--> - -<script type="text/x-mathjax-config"> - MathJax.Hub.Config({ - tex2jax: { - inlineMath: [ ['$','$'], ["\\(","\\)"] ], - processEscapes: true - } - }); -</script> -<script type="text/javascript" - src="http://cdn.mathjax.org/mathjax/latest/MathJax.js?config=TeX-AMS-MML_HTMLorMML"> -</script> - </head> - - <body> - <div class="navbar"> - <div class="navbar-inner"> - <div class="container"> - <a class="brand" href="#">pfm 0.3-7</a> - <div class="nav"> - <ul class="nav"> - <li><a href="index.html"><i class="icon-home icon-white"></i> Index</a></li> - </ul> - </div> - </div> - </div> -</div> - - <div class="container"> - <header> - - </header> - - <h1>Calculate predicted environmental concentrations in soil</h1> - -<div class="row"> - <div class="span8"> - <h2>Usage</h2> - <pre><div>PEC_soil(rate, rate_units = "g/ha", interception = 0, mixing_depth = 5, PEC_units = "mg/kg", PEC_pw_units = "mg/L", interval = NA, n_periods = Inf, tillage_depth = 20, chent = NA, DT50 = NA, Koc = NA, Kom = Koc/1.724, t_avg = 0, scenarios = c("default", "EFSA_2015"), porewater = FALSE)</div></pre> - - <h2>Arguments</h2> - <dl> - <dt>rate</dt> - <dd>Application rate in units specified below</dd> - <dt>rate_units</dt> - <dd>Defaults to g/ha</dd> - <dt>interception</dt> - <dd>The fraction of the application rate that does not reach the soil</dd> - <dt>mixing_depth</dt> - <dd>Mixing depth in cm</dd> - <dt>PEC_units</dt> - <dd>Requested units for the calculated PEC. Only mg/kg currently supported</dd> - <dt>PEC_pw_units</dt> - <dd>Only mg/L currently supported</dd> - <dt>interval</dt> - <dd>Period of the deeper mixing, defaults to 365, which is a year if -rate units are in days</dd> - <dt>n_periods</dt> - <dd>Number of periods to be considered for long term PEC calculations</dd> - <dt>tillage_depth</dt> - <dd>Periodic (see interval) deeper mixing in cm</dd> - <dt>chent</dt> - <dd>An optional chent object holding substance specific information. Can -also be a name for the substance as a character string</dd> - <dt>DT50</dt> - <dd>If specified, overrides soil DT50 endpoints from a chent object -If DT50 is not specified here and not available from the chent object, zero -degradation is assumed</dd> - <dt>Koc</dt> - <dd>If specified, overrides Koc endpoints from a chent object</dd> - <dt>Kom</dt> - <dd>Calculated from Koc by default, but can explicitly be specified -as Kom here</dd> - <dt>t_avg</dt> - <dd>Averaging times for time weighted average concentrations</dd> - <dt>scenarios</dt> - <dd>If this is 'default', the DT50 will be used without correction -and soil properties as specified in the REACH guidance (R.16, Table -R.16-9) are used for porewater PEC calculations. If this is "EFSA_2015", -the DT50 is taken to be a modelling half-life at 20°C and pF2 (for when -'chents' is specified, the DegT50 with destination 'PECgw' will be used), -and corrected using an Arrhenius activation energy of 65.4 kJ/mol. Also -model and scenario adjustment factors from the EFSA guidance are used.</dd> - <dt>porewater</dt> - <dd>Should equilibrium porewater concentrations be estimated -based on Kom and the organic carbon fraction of the soil instead of total -soil concentrations? Based on equation (7) given in the PPR panel opinion -(EFSA 2012, p. 24) and the scenarios specified in the EFSA guidance (2015, -p. 13).</dd> - </dl> - - <div class="Value"> - <h2>Value</h2> - - <p><dl> -The predicted concentration in soil -</dl></p> - - </div> - - <div class="Description"> - <h2>Description</h2> - - <p>This is a basic calculation of a contaminant concentration in bulk soil -based on complete, instantaneous mixing. If an interval is given, an -attempt is made at calculating a long term maximum concentration using -the concepts layed out for example in the PPR panel opinion (EFSA 2012).</p> - - </div> - - <div class="Details"> - <h2>Details</h2> - - <p>This assumes that the complete load to soil during the time specified by -'interval' (typically 365 days) is dosed at once. As in the PPR panel -opinion cited below (PPR panel 2012), only temperature correction using the -Arrhenius equation is performed.</p> - - <p>Total soil and porewater PEC values for the scenarios as defined in the EFSA -guidance (2015, p. 13) can easily be calculated.</p> - - </div> - - <div class="Note"> - <h2>Note</h2> - - <p>If temperature information is available in the selected scenarios, as - e.g. in the EFSA scenarios, the DT50 for groundwater modelling - (destination 'PECgw') is taken from the chent object, otherwise the DT50 - with destination 'PECsoil'.</p> - - </div> - - <div class="References"> - <h2>References</h2> - - <p>EFSA Panel on Plant Protection Products and their Residues (2012) - Scientific Opinion on the science behind the guidance for scenario - selection and scenario parameterisation for predicting environmental - concentrations of plant protection products in soil. <em>EFSA Journal</em> - <b>10</b>(2) 2562, doi:10.2903/j.efsa.2012.2562</p> - - <p>EFSA (European Food Safety Authority) (2015) EFSA guidance document for - predicting environmental concentrations of active substances of plant - protection products and transformation products of these active substances - in soil. <em>EFSA Journal</em> <b>13</b>(4) 4093 - doi:10.2903/j.efsa.2015.4093</p> - - </div> - - <h2 id="examples">Examples</h2> - <pre class="examples"><div class='input'>PEC_soil(100, interception = 0.25) -</div> -<div class='output'> scenario -t_avg default - 0 0.1 -</div> -<div class='input'> -# This is example 1 starting at p. 79 of the EFSA guidance (2015) -PEC_soil(1000, interval = 365, DT50 = 250, t_avg = c(0, 21), - scenarios = "EFSA_2015") -</div> -<div class='output'> scenario -t_avg CTN CTC CTS - 0 21.96827 11.53750 9.145259 - 21 21.78517 11.40701 9.017370 -</div> -<div class='input'>PEC_soil(1000, interval = 365, DT50 = 250, t_av = c(0, 21), - Kom = 1000, scenarios = "EFSA_2015", porewater = TRUE) -</div> -<div class='output'> scenario -t_avg CLN CLC CLS - 0 0.7589401 0.6674322 0.9147861 - 21 0.7506036 0.6590345 0.8987279 -</div> -<div class='input'> -# The following is from example 4 starting at p. 85 of the EFSA guidance (2015) -# Metabolite M2 -# Calculate total and porewater soil concentrations for tier 1 scenarios -# Relative molar mass is 100/300, formation fraction is 0.7 * 1 -results_pfm <- PEC_soil(100/300 * 0.7 * 1 * 1000, interval = 365, DT50 = 250, t_avg = c(0, 21), - scenarios = "EFSA_2015") -results_pfm_pw <- PEC_soil(100/300 * 0.7 * 1000, interval = 365, DT50 = 250, t_av = c(0, 21), - Kom = 100, scenarios = "EFSA_2015", porewater = TRUE) -</div></pre> - </div> - <div class="span4"> - <!-- <ul> - <li>PEC_soil</li> - </ul> - <ul> - - </ul> --> - - - <h2>Author</h2> - -Johannes Ranke - - - </div> -</div> - - <footer> - <p class="pull-right"><a href="#">Back to top</a></p> -<p>Built by <a href="https://github.com/hadley/staticdocs">staticdocs</a>. 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