The "DRIFTSIM-Predicting Drift Distances of Spray Droplets" software is available for purchase from Ohio State University Extension.
The cost is $10.00 plus shipping and handling.
Ohio residents should contact their local county Extension office to obtain a copy at the lower price.
Out-of-state residents/customers should fax an order on letterhead to (614) 292-2270 or mail it to The Ohio State University, Communications and Technology, Media Distribution, 216 Kottman Hall, 2021 Coffey Road, Columbus, OH 43210-1044.
For individuals to purchase online, the direct link is here: http://estore.osu-extension.org/productdetails.cfm?PC=2592. Please visit OSU Extension's online catalog http://estore.osu-extension.org for a full list of titles.
Click here for a pdf file of the manual for the "DRIFTSIM-Predicting Drift Distances of Spray Droplets" software.