Entr the Biologic site. on the drop down menu on the left go to Biologic Soil Test, open that, print out the form then get your sample. I dig down a couple of inches, get a small sample, no bigger than a dixie cup, and get one from 4 different areas of my plot. I pout all the dirt in a ziplock bag and mix it together. Then i reduce the sameple down to about a cup total. I put that in a sandwich sized ziplock bag, but that ziplock into a bigger ziplock (gallon size) with the biologic sample information sheet (filled out), seal that, and put it into a mailer envelope. Doint it this way allows me to submit aa buch of different sampel at the same time. I have 8 different plots, so i can submit them all in trhe same mailer withiout the infromation sheets getting mizxed up with the wrong sample. Just make sure that when you get your sample, use clean equipment, be it a shovel or trowel, as contaiminants on the tool can skew the sample. Good luck.