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authorJohannes Ranke <johannes.ranke@jrwb.de>2026-02-13 16:41:28 +0100
committerJohannes Ranke <johannes.ranke@jrwb.de>2026-02-13 16:41:28 +0100
commitdb5d65f29c9d1d87e05eaeaf736991973cac4bc5 (patch)
treee78309a8cefca2216789865bdb3718cd5a47ab88 /docs/reference/PEC_sw_drainage_UK.html
parent24328f0fabc1982db01132bafb4dc65dd85b13e9 (diff)
Update docs, check and testHEADmain
Diffstat (limited to 'docs/reference/PEC_sw_drainage_UK.html')
-rw-r--r--docs/reference/PEC_sw_drainage_UK.html50
1 files changed, 34 insertions, 16 deletions
diff --git a/docs/reference/PEC_sw_drainage_UK.html b/docs/reference/PEC_sw_drainage_UK.html
index 54dbede..c8667c4 100644
--- a/docs/reference/PEC_sw_drainage_UK.html
+++ b/docs/reference/PEC_sw_drainage_UK.html
@@ -1,8 +1,10 @@
<!DOCTYPE html>
<!-- Generated by pkgdown: do not edit by hand --><html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><title>Calculate initial predicted environmental concentrations in surface water due to drainage using the UK method — PEC_sw_drainage_UK • pfm</title><script src="../deps/jquery-3.6.0/jquery-3.6.0.min.js"></script><meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no"><link href="../deps/bootstrap-5.3.1/bootstrap.min.css" rel="stylesheet"><script src="../deps/bootstrap-5.3.1/bootstrap.bundle.min.js"></script><link href="../deps/font-awesome-6.4.2/css/all.min.css" rel="stylesheet"><link href="../deps/font-awesome-6.4.2/css/v4-shims.min.css" rel="stylesheet"><script src="../deps/headroom-0.11.0/headroom.min.js"></script><script src="../deps/headroom-0.11.0/jQuery.headroom.min.js"></script><script src="../deps/bootstrap-toc-1.0.1/bootstrap-toc.min.js"></script><script src="../deps/clipboard.js-2.0.11/clipboard.min.js"></script><script src="../deps/search-1.0.0/autocomplete.jquery.min.js"></script><script src="../deps/search-1.0.0/fuse.min.js"></script><script src="../deps/search-1.0.0/mark.min.js"></script><!-- pkgdown --><script src="../pkgdown.js"></script><meta property="og:title" content="Calculate initial predicted environmental concentrations in surface water due to drainage using the UK method — PEC_sw_drainage_UK"><meta name="description" content="This implements the method specified in the UK data requirements handbook and was checked against the spreadsheet
-published on the CRC website. Degradation before the start of the drainage period is taken into account if
+published on the CRC website. Degradation between the end (30 April) and the start (1 October) of
+the drainage period is taken into account if
latest_application is specified and the degradation parameters are given either as a soil_DT50 or a model."><meta property="og:description" content="This implements the method specified in the UK data requirements handbook and was checked against the spreadsheet
-published on the CRC website. Degradation before the start of the drainage period is taken into account if
+published on the CRC website. Degradation between the end (30 April) and the start (1 October) of
+the drainage period is taken into account if
latest_application is specified and the degradation parameters are given either as a soil_DT50 or a model."></head><body>
<a href="#main" class="visually-hidden-focusable">Skip to contents</a>
@@ -11,7 +13,7 @@ latest_application is specified and the degradation parameters are given either
<a class="navbar-brand me-2" href="../index.html">pfm</a>
- <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">0.6.4</small>
+ <small class="nav-text text-muted me-auto" data-bs-toggle="tooltip" data-bs-placement="bottom" title="">0.6.5</small>
<button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbar" aria-controls="navbar" aria-expanded="false" aria-label="Toggle navigation">
@@ -39,7 +41,8 @@ latest_application is specified and the degradation parameters are given either
<div class="ref-description section level2">
<p>This implements the method specified in the UK data requirements handbook and was checked against the spreadsheet
-published on the CRC website. Degradation before the start of the drainage period is taken into account if
+published on the CRC website. Degradation between the end (30 April) and the start (1 October) of
+the drainage period is taken into account if
<code>latest_application</code> is specified and the degradation parameters are given either as a <code>soil_DT50</code> or a <code>model</code>.</p>
</div>
@@ -53,7 +56,9 @@ published on the CRC website. Degradation before the start of the drainage perio
<span> soil_DT50 <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span> model <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span> model_parms <span class="op">=</span> <span class="cn">NULL</span></span>
-<span><span class="op">)</span></span></code></pre></div>
+<span><span class="op">)</span></span>
+<span></span>
+<span><span class="fu">drainage_date_UK</span><span class="op">(</span><span class="va">application_date</span><span class="op">)</span></span></code></pre></div>
</div>
<div class="section level2">
@@ -61,7 +66,8 @@ published on the CRC website. Degradation before the start of the drainage perio
<dl><dt id="arg-rate">rate<a class="anchor" aria-label="anchor" href="#arg-rate"></a></dt>
-<dd><p>Application rate in g/ha</p></dd>
+<dd><p>Application rate in g/ha or with a compatible unit specified
+with the units package</p></dd>
<dt id="arg-interception">interception<a class="anchor" aria-label="anchor" href="#arg-interception"></a></dt>
@@ -69,7 +75,8 @@ published on the CRC website. Degradation before the start of the drainage perio
<dt id="arg-koc">Koc<a class="anchor" aria-label="anchor" href="#arg-koc"></a></dt>
-<dd><p>The sorption coefficient normalised to organic carbon in L/kg</p></dd>
+<dd><p>The sorption coefficient normalised to organic carbon in L/kg or a unit specified
+with the units package</p></dd>
<dt id="arg-latest-application">latest_application<a class="anchor" aria-label="anchor" href="#arg-latest-application"></a></dt>
@@ -77,7 +84,8 @@ published on the CRC website. Degradation before the start of the drainage perio
<dt id="arg-soil-dt-">soil_DT50<a class="anchor" aria-label="anchor" href="#arg-soil-dt-"></a></dt>
-<dd><p>Soil degradation half-life, if SFO kinetics are to be used</p></dd>
+<dd><p>Soil degradation half-life, if SFO kinetics are to be used, in
+days or a time unit specified with the units package</p></dd>
<dt id="arg-model">model<a class="anchor" aria-label="anchor" href="#arg-model"></a></dt>
@@ -88,6 +96,10 @@ published on the CRC website. Degradation before the start of the drainage perio
<dt id="arg-model-parms">model_parms<a class="anchor" aria-label="anchor" href="#arg-model-parms"></a></dt>
<dd><p>A named numeric vector containing the model parameters</p></dd>
+
+<dt id="arg-application-date">application_date<a class="anchor" aria-label="anchor" href="#arg-application-date"></a></dt>
+<dd><p>Application date</p></dd>
+
</dl></div>
<div class="section level2">
<h2 id="value">Value<a class="anchor" aria-label="anchor" href="#value"></a></h2>
@@ -97,11 +109,11 @@ published on the CRC website. Degradation before the start of the drainage perio
<h2 id="references">References<a class="anchor" aria-label="anchor" href="#references"></a></h2>
<p>HSE's Chemicals Regulation Division (CRD) Active substance
PECsw calculations (for UK specific authorisation requests)
-<a href="https://www.hse.gov.uk/pesticides/topics/pesticide-approvals/pesticides-registration/data-requirements-handbook/fate/active-substance-uk.htm" class="external-link">https://www.hse.gov.uk/pesticides/topics/pesticide-approvals/pesticides-registration/data-requirements-handbook/fate/active-substance-uk.htm</a>
-accessed 2019-09-27</p>
-<p>Drainage PECs Version 1.0 (2015) Spreadsheet published at
-<a href="https://www.hse.gov.uk/pesticides/topics/pesticide-approvals/pesticides-registration/data-requirements-handbook/fate/pec-tools-2015/PEC%20sw-sed%20(drainage).xlsx" class="external-link">https://www.hse.gov.uk/pesticides/topics/pesticide-approvals/pesticides-registration/data-requirements-handbook/fate/pec-tools-2015/PEC%20sw-sed%20(drainage).xlsx</a>
-accessed 2019-09-27</p>
+<a href="https://www.hse.gov.uk/pesticides/data-requirements-handbook/fate/pecsw-sed-via-drainflow.htm" class="external-link">https://www.hse.gov.uk/pesticides/data-requirements-handbook/fate/pecsw-sed-via-drainflow.htm</a>
+accessed 2026-02-13</p>
+<p>PECsw/sed spray drift and tier 1 drainflow calculator Version 2.1.1 (2025) Spreadsheet published at
+<a href="https://www.hse.gov.uk/pesticides/assets/docs/PEC%20sw-sed%20(spraydrift).xlsx)" class="external-link">https://www.hse.gov.uk/pesticides/assets/docs/PEC%20sw-sed%20(spraydrift).xlsx)</a>
+accessed 2026-02-13</p>
</div>
<div class="section level2">
<h2 id="author">Author<a class="anchor" aria-label="anchor" href="#author"></a></h2>
@@ -111,10 +123,16 @@ accessed 2019-09-27</p>
<div class="section level2">
<h2 id="ref-examples">Examples<a class="anchor" aria-label="anchor" href="#ref-examples"></a></h2>
<div class="sourceCode"><pre class="sourceCode r"><code><span class="r-in"><span><span class="fu">PEC_sw_drainage_UK</span><span class="op">(</span><span class="fl">150</span>, Koc <span class="op">=</span> <span class="fl">100</span><span class="op">)</span></span></span>
-<span class="r-out co"><span class="r-pr">#&gt;</span> [1] 8.076923</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> 8.076923 [µg/L]</span>
<span class="r-in"><span><span class="fu">PEC_sw_drainage_UK</span><span class="op">(</span><span class="fl">60</span>, interception <span class="op">=</span> <span class="fl">0.5</span>, Koc <span class="op">=</span> <span class="fl">550</span>,</span></span>
<span class="r-in"><span> latest_application <span class="op">=</span> <span class="st">"01 July"</span>, soil_DT50 <span class="op">=</span> <span class="fl">200</span><span class="op">)</span></span></span>
-<span class="r-out co"><span class="r-pr">#&gt;</span> [1] 0.8388303</span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> 0.8388303 [µg/L]</span>
+<span class="r-in"><span><span class="fu">drainage_date_UK</span><span class="op">(</span><span class="st">"2023-07-10"</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "2023-10-01"</span>
+<span class="r-in"><span><span class="fu">drainage_date_UK</span><span class="op">(</span><span class="st">"2020-12-01"</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "2020-12-01"</span>
+<span class="r-in"><span><span class="fu">drainage_date_UK</span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/as.Date.html" class="external-link">as.Date</a></span><span class="op">(</span><span class="st">"2022-01-15"</span><span class="op">)</span><span class="op">)</span></span></span>
+<span class="r-out co"><span class="r-pr">#&gt;</span> [1] "2022-01-15"</span>
</code></pre></div>
</div>
</main><aside class="col-md-3"><nav id="toc" aria-label="Table of contents"><h2>On this page</h2>
@@ -126,7 +144,7 @@ accessed 2019-09-27</p>
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+ <p>Site built with <a href="https://pkgdown.r-lib.org/" class="external-link">pkgdown</a> 2.1.3.</p>
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