I agree with Killer. I have done a bunch of test runs for Subbing and if you nuke a clean sample for about 8 seconds it seems to stay at about 97.3 to 97.8 for several hours. Just make sure your test is within 2 hours or so and you should be fine.
Allee Elm. Ulmus parvifolia. Ulmaceae. No Image Available: Height 30'-40' Spread 35'-45' Deciduous. The Allee Elm is a large deciduous tree that grows in most soils. Leaves turn a golden color in fall with distinctive peeling bark. Drought tolerant.
The list might include evergreen trees of hollies, cherry laurel, tree ligustrum, loquat, myrtle oak, sand live oak, and sweet acacia plus deciduous selections of Chinese elm, red bud, river birch and winged elm. Most of these grow less than 40 feet tall and not as wide.