You must wear a dust mask while applying so that you do not breath in any of the dust. It is best to apply in the early morning while there is dew on the plants so that the Diatomaceous Earth adheres to the plants.
www.epinions.com/review/Concern_Diatomaceous_Earth_Craw... www.epinions.com/review/Concern_Diatomaceous_Earth_Crawling_Insect_Killer/content_100422749828
Food Grade Diatomaceous Earth promotes healthy livestock, animals, and pets. Buy diatomaceous earth to eliminate worms, parasites, fleas, flies, and insects. ... FOOD GRADE DIATOMACEOUS EARTH ; FACTS & INFORMATION...
wolfcreekranch1.tripod.com/defaq.html
The only caution is that you don’t want to breathe the dust while applying it to the garden or house area. Wearing of dust masks while applying diatomaceous earth is a recommended safe gardening practice. You might read reports that diatomaceous earth causes silicosis.
www.simplegiftsfarm.com/diatomaceous-earth.html www.simplegiftsfarm.com/diatomaceous-earth.html
For bugs that are large and the plant is in distress (I'll post photos of the bugs soon), I bring out the diatomaceous earth. I tried just shaking it on with a spoon or cup, but that was messy and inefficient and wasteful.
gardennerds.blogspot.com/2007/06/how-to-apply-diatomace... gardennerds.blogspot.com/2007/06/how-to-apply-diatomaceous-earth-to.html
Diatomaceous Earth will need reapplication after a rain.  Applies best when there is dew or after a light rain. It is a long lasting, effective powder. The insects can not build up resistance. Wear a dust mask when applying large amounts of it.
www.dirtworks.net/Diatomaceous-Earth.html www.dirtworks.net/Diatomaceous-Earth.html
Feed grade DE (Diatomaceous Earth) is FDA (Food and Drug Administration) and EPA (Environmental Protection Agency) approved.  A mineral product, DE is mined from the unicellular fossilized silica shell remains.  Also containing colonial algae, which belong to the class Bacillariophyceae and are grouped as diatoms.
www.naturesfarmacy.com/blog/diatomaceous-earth/ www.naturesfarmacy.com/blog/diatomaceous-earth/
What is Diatomaceous Earth?; Diatomaceous earth is a remarkable, all-natural product made from tiny fossilized water plants. Diatomaceous Earth is a naturally ... Are there any safety concerns with DE?; Yes, you must wear a dust mask when applying it as it can irritate the mucous membranes in the nose and mouth.
www.ghorganics.com/DiatomaceousEarth.html www.ghorganics.com/DiatomaceousEarth.html
(Click here to figure shipping for mailed or faxed Diatomaceous Earth orders.) ... You do need to be cautious with your use of DE. It can cause lung problems. (It's a fine dust.) It's OK to eat, but don't breathe it. Use a mask when applying DE. (I think the FDA has now approved it for large-scale eating.
www.internet-grocer.net/diatome.htm
Diatomaceous earth is very dusty and can cause lung problems if breathed heavily, so when applying it dry always wear a good dust mask or stand up wind. The second precaution is that DE sold for swimming pool filters is ineffective for insect control because it has been heated and chemically treated.
www.safe2use.com/safe-products/diatomaceous/garrett-art... www.safe2use.com/safe-products/diatomaceous/garrett-article.htm
Perma-Guard (Food Grade) Fossil Shell Flour and Grain Storage --100% Pure Food Grade Diatomaceous Earth from a fresh water source is 100% NON-TOXIC and FDA approved for internal and external use and has a rating of Food Chemical Codex Grade. ... Known worldwide for its extremely pure quality of Diatomaceous Earth (DE),
www.shadowridgedonkeys.com/ds_perma_guard.htm