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.
Some of its common names are Slippery Elm, red elm, elm bark, moose elm, American elm, sweet elm, and rock elm. Its most common name is, of course, Slippery Elm. Its identifying characteristics are it comes from a large tree, 50 to 65 feet high that is one to four feet thick.