Grace. 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. Grace sales reports, shipping papers, trial testimony and interviews with former Zonolite sales mangers support estimates ranging from 12 million to 35 million homes, offices and schools. Grace case for a Partial Summary Judgement finding Zonolite Attic Insulation (ZAI) does not pose an unreasonable risk of harm. A trust fund was created with $3 billion to handle claims in. In our article above we report in detail on the occurrence of asbestos in Zonolite Attic Insulation (ZAI) produced by the Zonolite Company and by its successor owner- 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. Zonolite insulation is no longer manufactured in the United States. Longo, James R. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. Grace. W. You must also provide a Declaration of Authenticity (available on the website). S market, is well known to contain small quantities of hazardous amphibole (a mineral source. It's typically caused by very high exposure levels over a long period of time, as seen in work-related asbestos exposure. R. Int J Occup Environ Health 2010; 16: 279–290. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The primary goal of the research described hereZonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. Henry Anderson. Asbestosis is a type of chronic lung disease formed after repeated exposure to asbestos fibers. Securely download your document with other editable templates, any time, with PDFfiller. However, if the vermiculite insulation contained asbestos fibres, these asbestos fibres are related to health issues if inhaled. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. The good news. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). If patients don’t develop mesothelioma, they can expect some type of respiratory issue. We searched for articles on non-occupational or. The last two operating asbestos mines in Canada – both in Quebec – closed down in 2012. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). In our article above we report in detail on the occurrence of asbestos in Zonolite Attic Insulation (ZAI) produced by the Zonolite Company and by its successor owner- W. Zonolite Purchase 2 Ways of Providing Payment: 1. 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. 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. 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 vermiculite) attic insulation (ZAI). 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. 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 vermiculite) attic insulation (ZAI). Grace. Abstract. A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. R. 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. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. For example, if the abatement related cost are $7,500 and the claimant provides sufficient. 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. Grace. Those who suffered injury from personal exposure to Zononlite asbestos insulation or any other Grace asbestos products can obtain information about a separate fund by contacting Mark T. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. Log in Join. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Thousands of homeowners simply opened the bags and poured the vermiculite into their attic floor, as well as down exterior walls. Grace. One of these studies determined that exposure to vermiculite attic insulation with less than 1% asbestos is still a potential health hazard when performing typical homeowner activities such as cleaning, maintenance, and remodeling activities. An estimated 35 million homes may contain W. Grace. Zonolite Insulation. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. However, concerns remain about health effects from environmental and other occupational exposures to asbestos-contaminated vermiculite, especially vermiculite that has been installed as loose-fill insulation in homes and other buildings. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Many trusts today are specific to asbestos exposure. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). 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). Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. 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. Grace. R. The facility received asbestos-contaminated vermiculite from Libby, Montana, from 1963 to 1984, for the production of Zonolite attic insulation and Monokote fireproofing material. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). doi: 10. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Watch on. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. 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. Grace. Grace. Grace. Zonolite® and was extracted from the Libby Mine in Montana, USA. Get Started. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Some vermiculite produced at Libby Mine in Montana from the 1920s until 1990, sold primarily under the brand name Zonolite®, has been found to contain asbestos. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. In this release (“ National Consumer Awareness Campaign Launched on Vermiculite Insulation Used in Some Attics ”), the EPA states that “… home testing vermiculite in attics. At the same time, EPA issued a brochure entitled: "Current Best Practices for Vermiculite Attic Insulation" (2. R. R. 1179/107735210799160219. Show More Show Less 2 of 17 Vermiculite is a mineral that was commonly used as insulation in homes built before. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The trust will reimburse homeowners for 55% of their removal and re. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Cumulative asbestos exposure levels. R. . Grace. 1 of 17 An attic shown with vermiculite insulation poured in between the joists. 3. 1697. 25+ million members. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. 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. Ewing WM, Hays SM, Hatfield R, et al. Grace were focused on providing durability, insulation and fire protection to structures. The Hong Kong Polytechnic University. in a report by Claimants' medical expert, Dr. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 9–251. Original Zonolite Branded Bag Photos or Original Zonolite Bag (See Part III of. More than 2,400 people in Libby — about half the city’s population — have fallen ill as a result of exposure to asbestos. 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. We searched for articles on non-occupational or. For businesses, the market costs for remediation projects will fall in $3000 to $12,000 range and even beyond. Grace. R. , 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. 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. For Zonolite Attic Insulation claims: Zonolite Attic Insulation Trust. The Zonolite Attic Insulation trust was established in 2014 to help homeowners with the cost of removing Zonolite Attic Insulation from their homes. Asbestos property damage claims other than for Zonolite Attic Insulation: Richard B. R. Vermiculite insulation exposure levels in residential buildings: What are reasonable risk assessments for people exposed to vermiculite insulation in residential buildings. Grace. 2765571 Corpus ID: 139030767; 65. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. 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. Grace. asbestos removal contractor if your renovation involves more extensive removal or exposure to asbestos-containing insulation. Illinois may have as many as 800,000 homes with Zonolite;. Zonolite attic insulation may be present in homes throughout the area. The fieldwork for these studies was. Lung Disease. It has been argued in court that one percent of asbestos is the amount that poses a danger. Asbestos is a carcinogen associated with lung cancer, but few studies have examined the increased risk of lung cancer due to environmental asbestos exposure. 3+ billion citations. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 800. It was also used around town on gravel roads. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. Zonolite attic insulation exposure studies. The fieldwork for these studies was conducted at two homes. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Photos of the Zonolite in the structure before removal For removal prior to 6/16/14, you may provide BEFORE and AFTER photos of the attic or other area in questions depicting the presence of the attic insulation and removal of ZAI . Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. In a 1991 report, the EPA said that 188,000 people had been exposed to asbestos contaminated attic insulation, 32 million to garden fertilizer and 74 million to other vermiculite lawn products. Grace case for a Partial Summary Judgement finding Zonolite Attic Insulation (ZAI) does not pose an unreasonable risk of harm. 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. Final draft 21 May 2003. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. This is a photo of Zonolite vermiculite from a Canadian government agency. Grace. Environmental Protection Agency, Washington,D. 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. 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. 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 & Co. 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. There were two general objectives for the pilot study: (1) obtain a rough estimate of amount of asbestos in attics having vermiculite attic insulation; and (2) obtain a rough 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. R. 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. Asbestos Insulation. A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Q: What is the Libby Mine? A: Beginning in the 1920’s, The Libby Mine was. Grace. Consisting of the naturally occurring mineral vermiculite, Zonolite was used for decades to insulate millions of American homes. 16. R. Grace. Several studies were designed and conducted to evaluate 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. 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. 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. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. The former Zonolite facility in Easthampton, Massachusetts, was an exfoliation plant operated by W. 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. Zonolite is contaminated with tremolite, a highly toxic type of asbestos. The fieldwork for these studies was. Zonolite Super 40: Type of spray insulation used for interior surfacing, commonly used as attic insulation. 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. The Zonolite mine, then owned by W. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Vermiculite was a common type of attic insulation that was sold from the late 1920s up until the EPA shut down the Zonolite vermiculite mine in Libby Montana in 1990. In May 2003, EPA released information indicating that vermiculite contaminated with traces, less than 1% asbestos, is of significant concern. If your home was built before 1990, you might have vermiculite insulation in your walls or attic. Watch a video of our our technicians performing Zonolite removal. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. During the 1920s and 1930s, when asbestos knowledge was practically non-existent, the Libby Mine in Montana, Canada, produced Zonolite® Attic Insulation – and possibly other brands which may have contained amphibole asbestos – to supply. Hays, Richard Hatfield, William E. Check out the video clip below for the highlights: Zonolite Super 40: Type of spray insulation used for interior surfacing, commonly used as attic insulation. So, if you have vermiculite insulation, look into this. Zonolite is a loose-fill insulation brand commonly used to insulate attics. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Abstract forZonolite Attic Insulation Exposure Studies | References | PDF (422. 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. 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 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. has more recently established the Zonolite Attic Insulation Trust, a fund for reimbursing costs to remove Zonolite brand vermiculite insulation from homes and commercial properties. 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. Hays,. Grace. A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. In 1985 the EPA estimated that 940,000 American homes contained, or had contained, Zonolite attic fill. A member of the phyllosilicate group of minerals, it resembles mica in appearance. The fie. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. Raybestos-Manhattan & Raymark Industries. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 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. 3. The method finder, contents, and indexes have also been updated to coincide with the changes. Vermiculite was mined in. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. As a result, the Environmental Protection Agency set limits on exposure to asbestos and is actively pursuing not only methods. Grace. particularly ore that originated from a Libby, Montana mine and sold under the name "Zonolite Attic Insulation" may contain asbestos fibers. Zonolite Insulation: Zonolite insulation is one of the most recognized asbestos insulation brands for HVAC systems. 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. Grace. Grace. Grace. 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. After removal and reinsulation (my state covered 75% of insulation costs), the reimbursement from the trust took about 6 months to pay out. During a home renovation or demolition, contractors and other construction workers may risk exposure to Zonolite attic insulation. 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. 279 [Google Scholar] 38. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Washington, D. The. Abstract. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Fully equipped to handle any sized project, and serving all of Michigan including Wyandotte, Detroit & surrounding areas. An estimated 35 million homes may contain W. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. HVAC mechanics were most likely to encounter Zonolite attic insulation, Monokote fireproofing cement and acoustical plaster. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. A member of the phyllosilicate group of minerals, it resembles mica in appearance. Liebsch) who allegedly contracted mesothelioma from exposure to ZAI. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. Zonolite is a loose-fill insulation brand commonly used to insulate attics. EPA Fact Sheet on Vermiculite Insulation ; EPA Fact Sheet - Protect Your Family From Asbestos-Contaminated Vermiculite Insulation ;. Much of the vermiculite from the mine near Libby was used in the manufacture of Zonolite™ Attic Insulation. 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. 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. 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. R. Zonolite Attic Insulation Exposure Studies William M. D MAS, LLC 3945 Lakefield Court Suwanee, Georgia 30024 Work Telephone: (770) 866-3200 EDUCATION October 1980 to Received Doctor of Philosophy in Materials Science and Current approaches being used by Grantees and Subgrantees to weatherize homes with existing vermiculite insulation were identified as part of the development of this experimental plan based on a review of Grantee Health and Safety Plans and communications with weatherization program staff from seven states. By 1977 such loose-fill insulation, or Zonolite Attic Insulation (ZAI), consti-tuted 15 % of domestic vermiculite use. Grace. R. In May 2003, EPA released information indicating that vermiculite contaminated with traces, less than 1% asbestos, is of significant concern. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. 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. g. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. R. Grace. On any device & OS. According to a 2022 report by the European Commission, over 70,000 workers died in 2019 from past exposure to asbestos. 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. Much of the Libby vermiculite was used as attic insulation. 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. Montana Gov. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Very few 40-year-old homes are designed to allow a foot or more insulation installed in the attic. 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. Vermiculite is a mineral sometimes used for attic and wall insulation. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Zonolite. attic if retrieving the items will disturb the insulation. 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. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Current approaches being used by Grantees and Subgrantees to weatherize homes with existing vermiculite insulation were identified as part of the development of this experimental plan based on a review of Grantee Health and Safety Plans and communications with weatherization program staff from seven states. Grace. One of these studies determined that exposure to vermiculite attic insulation with less than 1% asbestos is still a potential health hazard when performing typical homeowner activities such as cleaning, maintenance, and remodeling activities. R. The replacement pages are included. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. A range of tasks. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Thousands of workers and residents have been exposed to the dangerous material. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source.