1 VITAE William Edward Longo, Ph. For example, if you spent $8,972. Grace. Int J Occup Environ Health 2010; 16: 279–290. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 279 [Google Scholar] 38. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. As well as being rich in. Grace. 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. Contact your local health department for more information. NIOSH is also updating a study of vermiculite workers originally conducted in the 1980s. Greg Gianforte announced the offer on Jan. 10. 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 a loose-fill insulation brand commonly used to insulate attics. Grace. R. Grace. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. On any device & OS. Grace. It was also used around town on gravel roads. 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. International Journal of Occupational and Environmental Health. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Pilot study to estimate asbestos exposure from vermiculite attic insulation. 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. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. Millette's research while affiliated with Research Triangle. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. . Mesothelioma is commonly considered an occupational disease occurring as a result of asbestos exposure in the workplace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Montana Gov. Tested for vermiculite to see if it was from Zonolite. R. Grace. R. Grace. C. Grace. 975. Risk of cancer associated with residential exposure to asbestos insulation: a whole-population cohort study. The Zonolite Attic Insulation trust was established in 2014 to help homeowners with. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. The contaminated vermiculite went to processing plants throughout the country. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. Abstract. Grace. e. Grace. 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. Ewing WM, Hays SM, Hatfield R, et al. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. . R. 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. R. Grace. Millette's 6 research works with 44 citations and 737 reads, including: Zonolite Attic Insulation Exposure Studies James R. That’s good news, because most Zonolite, a type of vermiculite insulation, falls into that category. 78. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. 2. Zonolite attic insulation may be present in homes throughout the area. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Much of it was used as attic insulation and sold under the product name Zonolite. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Grace. R. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (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. Grace. , 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. 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. Some vermiculite. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Thousands of homeowners simply opened the bags and poured the vermiculite into their attic floor, as well as down exterior walls. R. 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. R. A range of. Zonolite is the trademarked name of a vermiculite attic insulation product sold between the 1940s and 1990s. Ewing WM, Hayes SM, et al. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. A range of tasks selected for evaluation included. 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 cause of asbestosis, which is a progressive respiratory disease, is exposure to asbestos. 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. That study found significant excesses of asbestosis and. 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. R. For businesses, the market costs for remediation projects will fall in $3000 to $12,000 range and even beyond. R. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). 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. 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. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Show More Show Less 2 of 17 Vermiculite is a mineral that was commonly used as insulation in homes built before. If your home was built before 1990, you might have vermiculite insulation in your walls or attic. 17 Studies of occupational exposure have consistently confirmed increased risk from CSE MISC at The Hong Kong Polytechnic University. 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. 2765571 Corpus ID: 139030767; 65. 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. Article CAS Google Scholar. Grace. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. 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. You can also call 608-261-6876 or visit our Asbestos Program page for a list of state-certified contractors and consultants. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Zonolite Insulation Exposure studies conducted for Claimants in Maryland and Washington. 8 (95% CI 103. Zonolite, the brand name of attic insulation formerly manufactured by the W. 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). 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). 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. 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. 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. 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. Grace. Grace. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. From a distance, vermiculite insulation resembles pebbles or gravel, and it fades to a grey color over time. R. 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. 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. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Schiro, Trustee Law Offices of Richard B. 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. 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. 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. 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. 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. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The trust reimburses homeowners for 55 percent of their removal and reinsulation costs, with a maximum payout per owner of $4,125. Grace. R. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. 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 Corporation between 1923 and 1990. While no longer produced, as many as 35 million U. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. 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. 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. Asbestos is a carcinogen associated with lung cancer, but few studies have examined the increased risk of lung cancer due to environmental asbestos exposure. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. The method finder, contents, and indexes have also been updated to coincide with the changes. Asbestos Insulation. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 2. 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. 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. Judge Judith Fitzgerald of the Delaware Bankruptcy Court has issued a 54 page Memorandum Opinion denying claimant's motion in the W. 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. 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 a loose-fill insulation brand commonly used to insulate attics. Grace. According to a 2022 report by the European Commission, over 70,000 workers died in 2019 from past exposure to asbestos. If you are planning remodeling or other building activity that requires actual removal of asbestos-containing vermiculite insulation, The Zonolite Attic Insulation Trust was established to provide some financial help with the cost of removing Zonolite Attic Insulation. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Ex-Worker Wins $36. 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. 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. On any device & OS. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Of concern is Zonolite® Attic Insulation; this insulation was sold in Canada under the name of Zonolite® and was extracted from the Libby Mine in Montana, USA. The Zonolite Attic Insulation Trust was established as part of a legal settlement with WR Grace to reimburse homeowners or renters for a portion of the money they have spent removing or replacing Zonolite brand vermiculite. 79 His opinions. These studies were never funded. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. Grace. 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. 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. In a different study, 29% of homes with vermiculite had very low levels of detectable Libby amphibole, similar to normal outdoor background concentrations. In this release (“ National Consumer Awareness Campaign Launched on Vermiculite Insulation Used in Some Attics ”), the EPA states that “… home testing vermiculite in attics. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Cumulative ambient asbestos. Ewing, Steve M. Vermiculite was mined in. 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. Grace. attic if retrieving the items will disturb the insulation. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. R. 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. The Zonolite Attic Insulation trust was established in 2014 to help homeowners with the cost of removing Zonolite Attic Insulation from their homes. Get Started. Grace. 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. 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. 16. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. Abstract. 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. Europe PMC is an archive of life sciences journal literature. A range of. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). By 1977 such loose-fill insulation, or Zonolite Attic Insulation (ZAI), consti-tuted 15 % of domestic vermiculite use. 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. ASBESTOS IN YOUR HOME - U. R. 2 One of the major uses of Zonolite was loose-fill insulation in attics of homes. Approximately, 75% of the vermiculite used in homes is the Zonolite Brand. A 1992 study analyzed whether asbestos-containing materials found in older HVAC systems were released from. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 10. 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. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. You must also provide a Declaration of Authenticity (available on the website). R. EPA, Exposure Evaluation Division, Office of Toxic Substances, Office of Pesticides and Toxic Substances, U. S. R. R. Grace. R. 3. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. At the same time, EPA issued a brochure entitled: "Current Best Practices for Vermiculite Attic Insulation" (2. 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. 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. Hurford at (302) 426-1900 x102 or mhurford@camlev. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. The trust will reimburse homeowners for 55% of their removal and re. com. 1179/107735210799160219. This exposed workers in the plants. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Randolph. 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. 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. 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 . A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. After removal and reinsulation (my state covered 75% of insulation costs), the reimbursement from the trust took about 6 months to pay out. Int J Occup Environ Health 2010; 16:279-90. 924. R. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded. This mine had a natural deposit of asbestos which. R. Currently, inspectors must send samples to off-site laboratories before. 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. An estimated 35 million homes may contain W. R. 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. R. R. S. This attic insulation was typically gray-brown or silver-gold in color. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. 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. 2255 [email protected]. Grace. R. R. Much of this vermiculite was used in the manufacture of Zonolite™ Attic Insulation. Asbestos insulation is one of the largest sources of asbestos exposure. Zonilite Attic Insulation (ZAI) is an exfoliated vermiculite material that originated from the previously described asbestos-contaminated mining site in Libby, MT. Ironically, in both studies, some of. The number and location of homes that may contain the tainted insulation is elusive. 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 Zonolite Insulation. 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. 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. R. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 3. Report includes general guidelines for limiting asbestos exposure when working with contaminated vermiculite. Grace. Vermiculite Attic Insulation (Zonolite). Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The fieldwork for these studies was conducted at two homes. When these tiny fibers become airborne, they can be inhaled into the lungs, where they might eventually cause asbestosis, lung cancer, and even the deadly asbestos cancer mesothelioma. Grace were focused on providing durability, insulation and fire protection to structures. Grace. Lung Disease. We searched for articles on non-occupational or. Grace. Asbestos is a carcinogen associated with lung cancer, but few studies have examined the increased risk of lung cancer due to environmental asbestos exposure. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. g. 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.