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C <br />Developing a Soil Management Plan - SECTION FIVE <br />1• <br />I* <br />10 <br />I* <br />10 <br />I* <br />10 <br />10 <br />nonexistent or incomplete, conduct necessary tests on each <br />proposed amendment. <br />• Take samples from 10-12 spots in pile of material. <br />Imagine a line dividing the pile in half lengthwise, <br />then gather samples from five spots equally spaced <br />along the length of each side of the pile. <br />• At each sampling spot, dig a spades -width hole at least <br />8 inches deep. Use a clean cup or trowel to collect a <br />cup of amendment from the bottom of each hole. <br />• Thoroughly mix the 10-12 samples from each pile <br />together in a clean plastic bucket or bowl. Place 2 <br />cups of the mix into a sealable plastic bag for testing <br />(some tests may require more compost, ask <br />laboratories). <br />• Label the bag with the product and supplier <br />information; plus your name, address and phone <br />number. <br />Tests to Conduct for Custom Calculated <br />Amendment Rates: <br />Soil <br />Compost <br />Amendment <br />- Bulk Density <br />- Bulk Density <br />- Percent Organic <br />- Percent Organic Matter <br />Matter <br />(by "loss on ignition" method) <br />(by "loss on ignition" <br />method) <br />- Moisture Content as is <br />- Carbon to Nitrogen <br />Ratio (C:N) <br />- Heavy Metals Analysis <br />(per WAC 173-350, section <br />220) <br />16 <br />12 <br />