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Developing a Soil Management Plan — SECTION FIVE <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 /> 1 Amendment Rates: <br /> Soil Compost <br /> Amendment <br /> -Bulk Density Bulk Density <br /> -Percent Organic -Percent Organic Matter <br /> Matter (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 /> 41 220) <br /> 1 <br /> 12 <br /> 41 <br />