Interesting study. Here's the summation:
"While this data indicates that newly-installed bermudagrass and tall fescue sod is tolerant to commonly used preemergence and postemergence herbicides, it is strongly emphasized that all proper installation and maintenance practices (soil testing, fertilization, irrigation, mowing, etc.) were utilized in these experiments. Additionally, the sod used in these experiments was of high quality. In the event of droughts, improper irrigation practices, abnormally low or high temperatures, or the use poor quality sod the results could have been dramatically different."