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+ — PEC_sw_sed • pfm</title>
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+ <h1>Calculate predicted environmental concentrations in sediment from surface
+</h1>
+ </div>
+
+
+ <p>The method &#39;percentage&#39; is equivalent to what is used in the CRD spreadsheet
+PEC calculator</p>
+
+
+ <pre><span class='fu'>PEC_sw_sed</span>(<span class='no'>PEC_sw</span>, <span class='kw'>percentage</span> <span class='kw'>=</span> <span class='fl'>100</span>, <span class='kw'>method</span> <span class='kw'>=</span> <span class='st'>"percentage"</span>,
+ <span class='kw'>sediment_depth</span> <span class='kw'>=</span> <span class='fl'>5</span>, <span class='kw'>water_depth</span> <span class='kw'>=</span> <span class='fl'>30</span>, <span class='kw'>sediment_density</span> <span class='kw'>=</span> <span class='fl'>1.3</span>,
+ <span class='kw'>PEC_sed_units</span> <span class='kw'>=</span> <span class='fu'>c</span>(<span class='st'>"µg/kg"</span>, <span class='st'>"mg/kg"</span>))</pre>
+
+ <h2 class="hasAnchor" id="arguments"><a class="anchor" href="#arguments"></a> Arguments</h2>
+ <dl class="dl-horizontal">
+ <dt>PEC_sw</dt>
+ <dd>Numeric vector or matrix of surface water concentrations in µg/L for
+which the corresponding sediment concentration is to be estimated</dd>
+ <dt>percentage</dt>
+ <dd>The percentage in sediment, used for the percentage method</dd>
+ <dt>method</dt>
+ <dd>The method used for the calculation</dd>
+ <dt>sediment_depth</dt>
+ <dd>Depth of the sediment layer</dd>
+ <dt>water_depth</dt>
+ <dd>Depth of the water body in cm</dd>
+ <dt>sediment_density</dt>
+ <dd>The density of the sediment in L/kg (equivalent to
+g/cm3)</dd>
+ <dt>PEC_sed_units</dt>
+ <dd>The units of the estimated sediment PEC value</dd>
+ </dl>
+
+ <h2 class="hasAnchor" id="value"><a class="anchor" href="#value"></a>Value</h2>
+
+ <p>The predicted concentration in sediment</p>
+
+
+ <h2 class="hasAnchor" id="examples"><a class="anchor" href="#examples"></a>Examples</h2>
+ <pre class="examples"><div class='input'><span class='fu'>PEC_sw_sed</span>(<span class='fu'><a href='PEC_sw_drift.html'>PEC_sw_drift</a></span>(<span class='fl'>100</span>, <span class='kw'>distances</span> <span class='kw'>=</span> <span class='fl'>1</span>), <span class='kw'>percentage</span> <span class='kw'>=</span> <span class='fl'>50</span>)</div><div class='output co'>#&gt; 1 m
+#&gt; 2.130769 </div></pre>
+ </div>
+ <div class="col-md-3 hidden-xs hidden-sm" id="sidebar">
+ <h2>Contents</h2>
+ <ul class="nav nav-pills nav-stacked">
+ <li><a href="#arguments">Arguments</a></li>
+
+ <li><a href="#value">Value</a></li>
+
+ <li><a href="#examples">Examples</a></li>
+ </ul>
+
+ <h2>Author</h2>
+
+Johannes Ranke
+
+ </div>
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