Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite Attic Insulation; Zonolite Econowhite; Zonolite Insulating Cement; Zonolite MK-1 and MK-2 Insulation; Zonolite Spraytex; Zonolite Super 40 Spray Surfacer;. Very few 40-year-old homes are designed to allow a foot or more insulation installed in the attic. For years, Zonolite was used in the insulation of homes throughout the United. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. It has been a relatively prosperous town among the depressed mining towns of western Montana. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Final draft 21 May 2003. Ewing WM, Hays SM, Hatfield R, Longo WE, Millette JR . Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. "For decades, the EPA has known about the risks Zonolite could pose to millions of American households, but a mix of brute politics, internal agency disputes and old-fashioned foot dragging has left families without the information needed to protect themselves,". Grace. Grace. Removing vermiculite from home or business attics normally costs between $10,000 and $15,000. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. "The only issue before the court is the nature of the product. Grace Co. Zonolite is the trademarked name of a naturally-occurring mineral vermiculite product mined in Libby, Montana, and was sold as attic insulation from the 1940s through the 1980s. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. associated with possible past, current, or future exposure to asbestos from processing operations. The only way to identify asbestos is through microscopic examination of the material. R. While any disturbance has the potential to release asbestos fibers into the air, limiting the number of trips and shortening the length of those trips will reduce exposure. The Zonolite Attic Insulation trust was established in 2014 to help homeowners with. Most research on health hazards from asbestos-containing vermiculite insulation has focused on workers at vermiculite mining or processing sites or at communities close to those locations. R. It was also used around town on gravel roads. In 1985 the EPA estimated that 940,000 American homes contained, or had contained, Zonolite attic fill. Of concern is Zonolite® Attic Insulation; this insulation was sold in Canada under the name of. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants. R. R. Hurford at (302) 426-1900 x102 or mhurford@camlev. The primary goal of the research described here Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. A range of tasks selected for evaluation included clean- ing, working around, moving, and removal of ZAI in attics and living spaces. R. EPA, Exposure Evaluation Division, Office of Toxic Substances, Office of Pesticides and Toxic Substances, U. One such trust is the Zonolite Attic Insulation Trust, which reimburses homeowners for a portion of the abatement of vermiculite insulation manufactured by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. The number and location of homes that may contain the tainted insulation is elusive. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Vermiculite Insulation. Grace. A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Determining the extent and the hazard potential of commercial or consumer use of products such as vermiculite attic insulation or vermiculite gardening products made with contaminated vermiculite is beyond the scope of this project. The present case study reports on tissue burden of fibrous dust in a person who used a vermiculite material (Zonolite) as an attic insulator some 50 years prior to her death. Grace has offered $18. R. Grace. Montana Gov. S. For years, Zonolite was used in the insulation of homes throughout the United. Moreover, this new zonolite was sold for a long time until the Libby mine was finally shut down in 1990. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Grace. Grace. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Grace. Canadians with the asbestos-contaminated insulation Zonolite in their homes are due a meagre settlement compared to their U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Greg Gianforte announced the offer on Jan. Asbestos Zonolite Insulation. Zonolite Insulation: Zonolite insulation is one of the most recognized asbestos insulation brands for HVAC systems. 3+ billion citations. Schiro 2706 Fairmount Street Dallas, Texas 75201-1958 - Source:Europe PMC is an archive of life sciences journal literature. R. Pilot study to estimate asbestos exposure from vermiculite attic insulation. Vermiculite Insulation. Here's what you need to know about it. It has a granular, shiny appearance similar to quartz flakes or mica. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Consisting of the naturally occurring mineral vermiculite, Zonolite was used for decades to insulate millions of American homes. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Risk of cancer associated with residential exposure to asbestos insulation: a whole-population cohort study. If you spent $3,000 for abatement and re-insulation, you are potentially eligible for. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. The Zonolite Attic Insulation Trust was established in 2014 to help homeowners with the cost of removing Zonolite Attic Insulation from their homes. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Ewing, Steve M. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. Grace. Grace. Cumulative ambient asbestos. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 2 One of the major uses of Zonolite was loose-fill insulation in attics of homes. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. 3 Sets of Before/After Pictures (Before Removal, After Removal but Before Re-insulation, and After Re-insulation) Await Review of Your Claim ZAI ©2018 Zonolite Attic Insulation Trust Step 1 How To File A Claim 2. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. attic if retrieving the items will disturb the insulation. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 2. The former Zonolite facility in Easthampton, Massachusetts, was an exfoliation plant operated by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Abstract. 78. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. This concern of exposures related to home and building renovation or demolition activities is further highlighted by the historical widespread use of a particular. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded. Today, the insulation product may still be present in millions. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Therefore, just because you have vermiculite you should not automatically assume that it is the Zonolite brand. The Dearborn plant processed more than 200,000 tons of Libby vermiculite from 1966 to 1988; records are unavailable for the time periodBasically, vermiculite is a rock type substance that was utilized in the 70’s as an insulating agent. Abstract. At the foothills of Zonolite Mountain sits the town of Libby, Montana, population 2,700. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Get Started. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Report includes general guidelines for limiting asbestos exposure when working with contaminated vermiculite. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. Grace. More than 2,400 people in Libby — about half the city’s population — have fallen ill as a result of exposure to asbestos. Hays,. A range of. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Insulators used loose-fill Zonolite in attics and walls. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. While not all vermiculite produced before 1990 contains asbestos fibres, it is reasonable to. Asbestos Insulation. 20460> [1] Thanks to Gary Randolph, Ounce of Prevention Home Inspection, LLC Buffalo, NY, for attentive reading and editing suggestions. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. This mine had a naturalZonolite Q: What is Zonolite? A: Zonolite is a brand name of vermiculite attic insulation containing harmful minerals (asbestos and others) that was mined from the Libby Mine in Libby, Montana beginning in 1919. Zonolite attic insulation exposure studies. Zonolite is contaminated with tremolite, a. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. PILOT STUDY TO ESTIMATE ASBESTOS EXPOSURE from VERMICULITE ATTIC INSULATION Research Conducted in 2001 and 2002 Prepared for: Fibers and Organics Branch National Program Chemicals Division Office of Pollution Prevention and Toxics U. R. The trust will reimburse homeowners for 55% of their removal and re-insulation costs, with a maximum payout per owner of $4,125. Q: What is the Libby Mine? A: Beginning in the 1920’s, The Libby Mine was. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Zonolite Insulation is the trademarked name of a product mined in Libby, MT, and sold as attic insulation between the 1940's and mid-1980's. The EPA and ATSDR strongly recommend: Vermiculite insulation should be left undisturbed in your attic. Grace. Grace were focused on providing durability, insulation and fire protection to structures. R. 844. As well as being rich in. BackgroundVermiculite from the mine near Libby, Montana, is contaminated with tremolite asbestos and other amphibole fibers (winchite and richterite). R. vermiculite- based insulation, assume it may contain some asbestos. Over 70% of vermiculite ore mined in the world came from Libby. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Sullivan [ 9] reported 22 deaths from asbestosis (expected = 0. Vermiculite produced by the Libby Mine in Montana from the 1920s-1990 and sold as Zonolite® Attic Insulation may contain amphibole asbestos, and potential exposures may occur in homes where Zonolite® insulation is disturbed. The facility continuedZonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. The vermiculite insulation taken from this mine was contaminated. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. particularly ore that originated from a Libby, Montana mine and sold under the name "Zonolite Attic Insulation" may contain asbestos fibers. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. Grace. R. Mr. Grace. Grace. Grace. R. Judge Judith Fitzgerald of the Delaware Bankruptcy Court has issued a 54 page Memorandum Opinion denying claimant's motion in the W. Complete a blank sample Vermiculite in Homes. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. If the result shows Tremolite asbestos (vermiculite mined. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 279 [Google Scholar] 38. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The recent innovation should provide a time-saving technique for commercial and home inspectors. The approximate remaining 25% is not eligible for reimbursement. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. R. Zonilite Attic Insulation (ZAI) is an exfoliated vermiculite material that originated from the previously described asbestos-contaminated mining site in Libby, MT. Asbestos Exposure. Henry Anderson. Sold under various brand names, such as Zonolite Attic Insulation, the insulation came in big bags. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. You can read the full text: Zonolite Attic Insulation Exposure Studies. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Grace Corporation between 1923 and 1990. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. 2255 [email protected] market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. , state funds, utility funds, the Zonolite Attic Insulation Trust Fund, and possibly homeowner contributions) because abatement is not allowed using WAP funds per Weatherization Program Notice (WPN) 17-7. Much of the vermiculite from the mine near Libby was used in the manufacture of Zonolite™ Attic Insulation. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. com. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. 2. WAP (e. In a 2012 study, researchers tested vermiculite attic insulation in 40 homes. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. We searched for articles on non-occupational or. R. The agency did not draw conclusions regarding the health risks of the exposures, but recommended further studies. The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. On any device & OS. S. Grace. Grace. that it is the Zonolite brand of vermiculite, can be reimbursed up to 55% of his costs. 1 of 17 An attic shown with vermiculite insulation poured in between the joists. R. 13 deaths) among 1672 Libby vermiculite workers during 1960–2001, for a SMR of 165. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. A member of the phyllosilicate group of minerals, it resembles mica in appearance. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Complete a blank sampleVermiculite in Homes. At the same time, EPA issued a brochure entitled: "Current Best Practices for Vermiculite Attic Insulation" (2. Hays, Richard Hatfield, William E. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Vermiculite is a mineral used in a number of consumer products, including home insulation. The key to its economic success has been vermiculite, a mineral mined on the mountain, and sold under the trade name Zonolite for use in gardening and home insulation. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Watch a video of our our technicians performing Zonolite removal. Longo, James R. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Watch out: It might be useful to have your vermiculite insulation tested. 5 million to settle the last of Montana’s claims for environmental damages caused by the company’s mining operations that spread toxic asbestos throughout the town of Libby and surrounding areas. Like other asbestos trusts, the Grace trust only pays a percentage of claimant requests to. Grace made asbestos products and faced litigation that caused it to go bankrupt. Zonolite Plaster: Dry plaster compound used for reinforcement. Int J Occup Environ Health 2010; 16:279-90. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. R. Grace. R. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. By using the site you are agreeing to this as outlined in our privacy notice and cookie policy. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. "The only issue before the court is the nature of the product. The Trust is expected to operate for a minimum of 20 years. R. Schiro, Trustee Law Offices of Richard B. More than 2,400 people in Libby — about half the city’s population — have fallen ill as a result of exposure to asbestos. Grace. R. Smoking increases the risk of developing asbestosis. The trust will reimburse homeowners for 55% of their removal and re-insulation costs, with a maximum payout per owner of $4,125. Zonolite is a type of loose-fill insulation made of asbestos-contaminated vermiculite, and it was installed as attic insulation in millions of American homes. Everything I’ve learned about vermiculite attic insulation r/homeowners • 1 You seem very knowledgeable about this subject so i thought that i would share a really interesting research paper i came across describing the relative exposure levels of different activities in an attic insulated with Vermiculite. Grace. However, if the vermiculite insulation contained asbestos fibres, these asbestos fibres are. Grace. Int J Occup Environ Health 2010; 16: 279–290. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. 1 in 4 Americans Don't Know if Their Homes Contain Asbestos. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. R. Zonolite Insulation. Grace. CSE. Asbestos is a carcinogen associated with lung cancer, but few studies have examined the increased risk of lung cancer due to environmental asbestos exposure. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Asbestos-contaminated vermiculite attic insulation (VAI) produced from a mine near Libby, Montana, may be present in millions of homes along with other commercial asbestos-containing materials (ACM). R. Versar, Inc. R. related to health issues if inhaled. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Environmental Protection Agency Ariel Rios Building 1200 Pennsylvania Avenue, N. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Call us today to schedule a consultation. ASBESTOS IN YOUR HOME - U. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Many of the asbestos-containing products produced by W. Grace. A range of. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. This project began in November 2000 as a preliminary or pilot study of the analysis of vermiculite attic insulation. An estimated 35 million homes may contain W. The Zonolite Attic Insulation trust was established in 2014 to help homeowners with. A 2017 study in the American Journal of. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. The product is very lightweight because vermiculite has the unique ability to be puffed out when heated, much like popcorn. Schiro 2706 Fairmount Street Dallas, Texas 75201-1958 - Source: Zonolite attic insulation exposure studies. The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants. R. Grace. 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. Grace. W. ATTIC INSULATION CONCERNS: GOOD NEWS AND MISLEADING WARNINGS: On May 21, 2003, the Environmental Protection Agency issued its report: "A Pilot Study to Estimate Asbestos Exposure form Vermiculite Attic Insulation" (66 pages). Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). A range of. Article CAS Google Scholar. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W.