Richard Hatfield's 4 research works with 67 citations and 923 reads, including: Zonolite Attic Insulation Exposure Studies. Grace. Abstract. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Removing vermiculite from home or business attics normally costs between $10,000 and $15,000. Washington, DC: US Environmental Protection Agency; 2003. 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. BackgroundVermiculite from the mine near Libby, Montana, is contaminated with tremolite asbestos and other amphibole fibers (winchite and richterite). S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Today, the insulation product may still be present in millions. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. December 17, 2006. Int J Occup Environ Health 2010; 16:279-90. Weatherizing the house as normal after testing reveals that the vermiculite insulation contains less than 1% asbestos. Grace. 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. Amphibole asbestos was present in all the insulation samples. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. The Zonolite Attic Insulation Trust was established in 2014 to help homeowners with the cost of removing Zonolite Attic Insulation from their homes. Millette International Journal of Occupational and. Grace, was responsible for 80% of the world’s vermiculite, and vermiculite attic insulation could be purchased locally and installed. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. If your home was built before 1990, you might have vermiculite insulation in your walls or attic. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Environmental Protection Agency Ariel Rios Building 1200 Pennsylvania Avenue, N. If you must perform activities that may disturb the insulation, leave the attic immediately after the disturbance. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. 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. Grace. R. Grace. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). counterparts. 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 insulation is no longer manufactured in the United States. CSE. 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. 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. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. So, if you have vermiculite insulation, look into this. 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. 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. 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 evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). vermiculite- based insulation, assume it may contain some asbestos. 2. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The Government of Canada is informing Canadians about the potential risks to health posed by vermiculite insulation containing asbestos. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Vermiculite is a mineral sometimes used for attic and wall insulation. Original Zonolite Branded Bag Photos or Original Zonolite Bag (See Part III 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. 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. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. 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. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Ewing WM, Hays SM, Hatfield R, Longo WE, Millette JR . Grace. Significant exposure to asbestos increases the risk of lung cancer, mesothelioma and other lung disorders. The manufacturer, W. 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. Millette's research while affiliated with Research Triangle. Over 70% of vermiculite ore mined in the world came from Libby. The EPA estimates that about 70% of the vermiculite mined in the US until 1990 came from a mine in Libby, Montana that contained asbestos. 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. homes and buildings may still contain Zonolite. R. 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. Zonolite is contaminated with tremolite, a highly toxic type of asbestos. 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. 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. 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. 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. Grace. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. However, if the vermiculite insulation contained asbestos fibres, these asbestos fibres are related to health issues if inhaled. 924. That’s good news, because most Zonolite, a type of vermiculite insulation, falls into that category. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Vermiculite insulation exposure levels in residential buildings: What are reasonable risk assessments for people exposed to vermiculite insulation in residential buildings. 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. 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. 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. 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 report by Claimants' medical expert, Dr. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Contact your local health department for more information. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. These studies were never funded. Elevated Asbestos Exposures from a Building Demolition Which Contained Vermiculite Insulation @inproceedings{Cowan199965EA, title={65. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Other than. 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. Ewing, Steve M. R. This is where the difficulty lies. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. associated with possible past, current, or future exposure to asbestos from processing operations. Several avenues for environmental asbestos exposures have been described and may be associated with asbestos related disease, including mesothelioma. 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. Securely download your document with other editable templates, any time, with PDFfiller. Do whatever you want with a Attic Insulation Exposure StudiesRequest PDF: fill, sign, print and send online instantly. 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 argued in court that one percent of asbestos is the amount that poses a danger. 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. Vermiculite is a naturally occurring “mica-like” mineral that was mined and processed into attic insulation starting in the 1920’s and ending in the early 1990’s. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 2010. 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. 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. It has a granular, shiny appearance similar to quartz flakes or mica. . Zonolite Plaster: Dry plaster compound used for reinforcement. Grace. The fieldwork for these studies was conducted at two. The only way to identify asbestos is through microscopic examination of the material. R. Grace. Watch a video of our our technicians performing Zonolite removal. Grace. Grace. 16. C. 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. From a distance, vermiculite insulation resembles pebbles or gravel, and it fades to a grey color over time. The Process: 1. 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. 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. 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. R. 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. 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. Hays,. 975. The fieldwork for these studies was conducted at two homes. 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. 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. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. com. 3. R. S. 844. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Asbestos ore is made up of long, thin fibers that can only be seen through a microscope. 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 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. e. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 1); this study revealed a striking association of asbestosis mortality with levels of cumulative exposure and duration of exposure. September 2010;16(3):279-290. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. It has been a relatively prosperous town among the depressed mining towns of western Montana. 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. The vermiculite insulation taken from this mine was contaminated. 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. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). S market, is well known to contain small quantities of hazardous amphibole (a mineral source. In 1985, the Environmental Protection Agency estimated that 940,000 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Call us today to schedule a consultation. Grace. 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. R. Get Started. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. In this release (“ National Consumer Awareness Campaign Launched on Vermiculite Insulation Used in Some Attics ”), the EPA states that “… home testing vermiculite in attics. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Ewing, Steve M. Grace. The trust will reimburse homeowners for 55% of their removal and re-insulation costs, with a maximum payout per owner of $4,125. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 10. This attic insulation was typically gray-brown or silver-gold in color. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Grace. Do. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. 25+ million members. 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. A range of. 1697. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S. If the result shows Tremolite asbestos (vermiculite mined. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. 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. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Raybestos-Manhattan & Raymark Industries. Grace made asbestos products and faced litigation that caused it to go bankrupt. R. Some of the insulator contained particles of asbestos mined out of Quebec mines. 20460 HVAC Mechanics and Mesothelioma. 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. The results suggest that asbestos sources in homes can contribute to living space contamination and develop and test procedures that would allow for the safe and effective weatherization of low-income homes with asbestos. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace Company, contains asbestos. While not all vermiculite produced before 1990 contains asbestos fibres, it is reasonable to. Zonolite attic insulation exposure studies Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). 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. Another study found that, among houses with vermiculite attic insulation, only 26% had detectable levels of amphibole asbestos in their living spaces. R. It was sold from 1963 to 1984 under the product name Zonolite. Ironically, in both studies, some 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. 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 2023, Grace agreed to an to restore damaged lands in and around the Superfund site. Grace. 800. R. HVAC mechanics were most likely to encounter Zonolite attic insulation, Monokote fireproofing cement and acoustical plaster. 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 evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). 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. The exfoliated vermiculite was used as attic insulation, sold under the brand name Zonolite, in tens of millions of American homes, including those in Libby. 160+ million publication pages. 160+ million publication pages. 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). 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. Much of it was used as attic insulation and sold under the product name Zonolite. 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. Grace. For Zonolite Attic Insulation claims: Zonolite Attic Insulation Trust. A range of tasks selected for evaluation included cleaning, working around, moving, and removal of ZAI in attics and living spaces. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. R. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Zonolite Insulation Exposure studies conducted for Claimants in Maryland and Washington. 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. Abstract. Hazardous Products. 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. Approximately, 75% of the vermiculite used in homes is the Zonolite Brand. 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). 279 [Google Scholar] 38. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace’s Zonolite attic insulation. 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. 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 good news. What is "asbestos exposure"? Asbestos exposure occurs when people breathe tiny asbestos fibers into their lungs, where the fibers can. Clean Cut Abatement, Michigan: Zonolite Removal. 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. In order to be eligible for reimbursement a claimant must be able to show: That vermiculite is the Zonolite Brand. W. R. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Washington, D. The Minnesota Department of Health Institutional Review Board approved the study. 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. 8 (95% CI 103. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace has offered $18. Grace. 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. 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. 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. A range of. 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. A 2017 study in the American Journal of. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Vermiculite was mined in.