<?xml version="1.0"?>
<tree>
    <field name="product_type"/>
    <field name="matrix"/>
    <field name="fraction_type"/>
    <field name="analysis"/>
    <field name="concentration_level"/>
    <field name="mean"/>
    <field name="deviation" tree_invisible="1" />
    <field name="one_sd"/>
    <field name="two_sd"/>
    <field name="three_sd"/>
    <field name="cv"/>
    <field name="one_sd_adj"/>
    <field name="two_sd_adj"/>
    <field name="three_sd_adj"/>
    <field name="ucl"/>
    <field name="uwl"/>
    <field name="upl"/>
    <field name="lcl"/>
    <field name="lwl"/>
    <field name="lpl"/>
    <field name="cl"/>
</tree>
