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If you want to test more than one sample, each sample should be placed in a separate bag. Keep Records. Select how fast do you need your results back, list all the samples that you are testing. Sign the form. Keet a copy for your own record. Prepare Your Shipment. Place the samples and the signed request form into a larger Ziploc freezer bag. Place the package into a padded envelope or a box, and ship it for laboratory analysis to.
Multiple sampling may identify conditions of mixed asbestos and non-asbestos vermiculite that a single sample would miss. Also, provincial occupational health and safety law for Ontario at least, requires a minimum of three samples from any single material of uniform appearance to conclude it is not an asbestos-containing material.
Collect one to two cup full of insulation for each of the three 3 samples each in its own bag taken from the bottom half of the insulation in the attic or from the bottom of the wall cavity the asbestos tends to settle to the bottom. Avoid creating and breathing any more dust than necessary during this collection and do not remain in the area longer than necessary. The U.
EPA and Health Canada recommend that you use a respirator to reduce the dust you breathe during this collection. Follow the instructions with the respirator regarding fitting and maintenance. This respirator should not be used for major disturbance of vermiculite which would be encountered during renovations in the attic or for removal of the material.
Try to avoid tracking the insulation or dust into the living space of the house, use plastic sheets below areas of work. Regular Turnaround Regular turnaround is 5 business days. Rush Turnaround Rush turnaround is 3 hours from receipt of samples during business hours of am to pm Monday to Friday.
Sizes of vermiculite products range from very fine particles to large coarse pieces nearly an inch long. A mine near Libby, Montana, was the source of over 70 percent of all vermiculite sold in the United States from to There was also a deposit of asbestos at that mine, so the vermiculite from Libby was contaminated with asbestos. Vermiculite from Libby was used in the majority of vermiculite insulation in the United States and was often sold under the brand name Zonolite.
If you have vermiculite insulation in your home, you should assume this material may be contaminated with asbestos and be aware of steps you can take to protect yourself and your family from exposure to asbestos. Look at the photos on this website and then look at the insulation without disturbing it.
Vermiculite insulation is a pebble-like, pour-in product and is usually gray-brown or silver-gold in color. Vermiculite insulation between attic joists. Vermiculite insulation particle size relative to paper clip.
Different sizes of vermiculite particles.
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