Review/Enter/create parent/child samples. Use the Edit/Close Sample form and click on the Associated Samples Tab: |
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![](http://www.opssys.com/instantkb/Attachments/de8f7b65-0422-471f-9490-906f.png)
The associated samples tab allows you to link samples to maintain a relationship between the samples. For example, when a water distribution sample comes back as Present, we need to do a Repeat, Upstream, and Downstream Sample. In order to trace those samples back to the original sample, you would need to create those samples as Child Samples.