If you have loose fill vermiculite in your home as insulation, there is a chance that it contains asbestos. Bags of the product were often sold under the name zonolite®. Used globally for industrial and agricultural applications.
Vermiculite insulation in residential homes with possible
Vintage bag of zonolite vermiculite insulation in residential attic space.
Spring planting was on their minds as 2,314 area gardeners celebrated earth day at the 6th annual lawn and garden show and sale.
Grace, from libby, montana, u.s. This article describes the early history of discovery, description & mining of vermiculite and we describe the properties of vermiculite that have formed the basis of its widespread. It is made from a natural mineral material that is mined from the earth. Vermiculite insulation alone is not dangerous, being a pellet style mineral, which expands with higher temperatures.
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Epa, exposure evaluation division, office of toxic substances, office of pesticides and toxic substances, u.s. It was manufactured from the 1950s to the 1970s as perforated sheeting or flat sheets, and typically used for ceiling panels and internal walls for acoustic insulation. Browse 35 vermiculite stock photos and images available, or search for perlite or asbestos to find more great stock photos and pictures. Potential to release asbestos fibers into the air.
That vermiculite is the zonolite brand.
Came from a mine in libby, montana, and was sold under the name zonolite. Vermiculite attic insulation is the main source of concern with asbestos dangers, although asbestos is not in every brand. For gardening on white background. In order to be eligible for reimbursement a claimant must be able to show:
That’s good news, because most zonolite, a type of vermiculite insulation, falls into that category.
The photos below show an attic that still had several unopened bags of vermiculite insulation. We now know that this vermiculite, which was shipped to many. Asbestos was used briefly in some cigarette filters in the 1950s. Further, pcm air monitoring results during limited removal of the zonolite material exhibited >extremely</b> elevated airborne fiber.
Products such as vermiculite attic insulation or vermiculite gardening products made with
Although this product's labeling indicates masonry fill, the vermiculite insulation was installed throughout the attic area (under walking boards). Vermiculite is a versatile hydrous phyllosilicate mineral. Zonolite vermiculite has been found to be contaminated with amphibole asbestos minerals. Material, insulation material, and for lightweight, absorbent packaging material.
Roofing debris can also be seen accumulated on top of the vermiculite insulation, likely from previous roof renovation work.
Until 1990, about 70% of the vermiculite mined in the us came from a single montana mine that was contaminated. Asbestos is not a major contaminant, and only a few ore deposits From 1919 to 1990, a mine in libby, montana, was the source of almost 70. Where does the asbestos come from and why is it a health concern?
(here are selected photos on this topic, but full relevance is not guaranteed.) if you find that some photos violates copyright or have unacceptable properties, please inform us about it.
For years, zonolite was used in the insulation of homes throughout the united. Vermiculite used in potting plants. Atsdr’s national asbestos exposure review vermiculite, a naturally occuring mineral, was mined and processed in libby, montana, from the early 1920s until 1990. The epa says that vermiculite insulation, which is the pebbly stuff found in attics of many older homes, is only risky if it contains more than one percent asbestos.
Vermiculite ores often contain a range of other minerals including, in some cases, asbestos.
Vermiculite insulation, often known by the brand name zonolite, is one of the most known products containing asbestos. 20460> [1] thanks to gary randolph, ounce of prevention home inspection, llc buffalo, ny, for attentive reading and editing suggestions. In addition to building insulation, vermiculite is commonly used with gardening for loosening soil. The pictures in the center of this pamphlet and on the cover show several samples of vermiculite attic insulation.
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