You can also call 608-261-6876 or visit our Asbestos Program page for a list of state-certified contractors and consultants. 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. Similarly, another hazard of Zonolite insulation is lung disease. Zonolite, the brand name of attic insulation formerly manufactured by the W. The. An estimated 35 million homes may contain W. The facility received asbestos-contaminated vermiculite from Libby, Montana, from 1963 to 1984, for the production of Zonolite attic insulation and Monokote fireproofing material. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. You must also provide a Declaration of Authenticity (available on the website). 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. 844. 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. Grace. Grace. Grace. 13 deaths) among 1672 Libby vermiculite workers during 1960–2001, for a SMR of 165. Grace & Co. You must also provide a Declaration of Authenticity (available on the website). 1 VITAE William Edward Longo, Ph. 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). Int J Occup Environ Health 2010; 16: 279–290. Grace. Abstract Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. Do whatever you want with a Attic Insulation Exposure StudiesRequest PDF: fill, sign, print and send online instantly. 5. 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). Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. When heated to a high temperature, flakes of vermiculite expand as much as 8-30 times their original size. R. Grace. Grace. R. Do whatever you want with a Attic Insulation Exposure StudiesRequest PDF: fill, sign, print and send online instantly. 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. Many of the asbestos-containing products produced 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. Several avenues for environmental asbestos exposures have been described and may be associated with asbestos related disease, including mesothelioma. 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. 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. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Here's what you need to know about it. 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. Popular within the construction industry because it was lightweight and fire-resistant, Zonolite insulation was installed in millions of homes throughout the United. Effects of Chronic Exposure Prolonged inhalation of excessive levels vermiculite dust may cause a simple pneumoconiotic condition, not normally associated with a decrement in lung function. 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. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Elevated Asbestos Exposures from a Building Demolition Which Contained Vermiculite Insulation @inproceedings{Cowan199965EA, title={65. 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. 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. Grace. 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). Liebsch) who allegedly contracted mesothelioma from exposure to ZAI. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Show More Show Less 2 of 17 Vermiculite is a mineral that was commonly used as insulation in homes built before. 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 2706 Fairmount Street Dallas, Texas 75201-1958 - Source:Europe PMC is an archive of life sciences journal literature. EPA Fact Sheet on Vermiculite Insulation ; EPA Fact Sheet - Protect Your Family From Asbestos-Contaminated Vermiculite Insulation ;. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. particularly ore that originated from a Libby, Montana mine and sold under the name "Zonolite Attic Insulation" may contain asbestos fibers. 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. We searched for articles on non-occupational or. R. 8 (95% CI 103. R. If your home was built before 1990, you might have vermiculite insulation in your walls or attic. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. This attic insulation was typically gray-brown or silver-gold in color. attic if retrieving the items will disturb the insulation. Sullivan [ 9] reported 22 deaths from asbestosis (expected = 0. 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. Longo, James R. Vermiculite Attic Insulation (Zonolite). Contact your local health department for more information. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 2255 [email protected]. Other than. 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. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Versar, Inc. 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. R. Asbestos Exposure. 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. Log in Join. 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. 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. Int J Occup Environ Health 2010; 16:279-90. 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 trust reimburses homeowners for 55 percent of their removal and reinsulation costs, with a maximum payout per owner of $4,125. For this reason, using the attic vents to install the new insulation is an excellent idea. 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). 1179/oeh. C. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. A range of tasks selected. The majority of the vermiculite used worldwide was from a mine in Libby, Montana. Grace. The product is very lightweight because vermiculite has the unique ability to be puffed out when heated, much like popcorn. Vermiculite was mined in. Although it rarely poses a risk when undisturbed, old and damaged vermiculite. 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). 1179/107735210799160219. S. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Therefore, just because you have vermiculite you should not automatically assume that it 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. 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. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. 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. This is where the difficulty lies. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. A 1992 study analyzed whether asbestos-containing materials found in older HVAC systems were released from. 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. 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. Grace. 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. Another study found that, among houses with vermiculite attic insulation, only 26% had detectable levels of amphibole asbestos in their living spaces. 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. Grace. 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. S. 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 attic insulation may be present in homes throughout the area. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 16. The Process: 1. Grace. Grace. Grace. Ewing, Steve M. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded. 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. 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. 3320/1. Grace. Some vermiculite. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. In 2023, Grace agreed to an to restore damaged lands in and around the Superfund site. Grace. Scientists with the United States Geology Survey (USGS) have created a hand-held spectrometer to determine if vermiculite insulation contains deadly amphibole asbestos. Irritancy of ProductThis website requires cookies, and the limited processing of your personal data in order to function. Grace, was responsible for 80% of the world’s vermiculite, and vermiculite attic insulation could be purchased locally and installed. 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. This exposed workers in the plants. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. So, if you have vermiculite insulation, look into this. Zonolite Purchase 2 Ways of Providing Payment: 1. 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. 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. WAP (e. Like other asbestos trusts, the Grace trust only pays a percentage of claimant requests to. 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. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. vermiculite- based insulation, assume it may contain some asbestos. R. Grace. Environmental Protection Agency Ariel Rios Building 1200 Pennsylvania Avenue, N. Grace. 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. 3. R. R. Abstract Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Schiro, Trustee Law Offices of Richard B. A range of tasks selected 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. CSE. 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. R. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. Zonolite is a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. 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. R. 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. Grace. The verdict was the first of hundreds of cases pending against the company hired to oversee medical care and safety for workers. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. 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. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Show More Show Less 2 of 17 Vermiculite is a mineral that was commonly used as insulation in homes built before. R. For years, Zonolite was used in the insulation of homes throughout the United. The vermiculite insulation taken from this mine was contaminated. Grace. A range of. This exposed workers in the plants. 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 Super 40: Type of spray insulation used for interior surfacing, commonly used as 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. If asbestos exposure can be proven, claims will be paid based on the level of disease. At the same time, EPA issued a brochure entitled: "Current Best Practices for Vermiculite Attic Insulation" (2. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. S. S. 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 fieldwork for these studies was. 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. Vermiculite 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. 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. Hurford at (302) 426-1900 x102 or mhurford@camlev. R. Henry Anderson. API case studies; SOAP web service; Annotations API; OAI service; Bulk downloads; Developers Forum; Help. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Montana Gov. R. 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. 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. BackgroundVermiculite from the mine near Libby, Montana, is contaminated with tremolite asbestos and other amphibole fibers (winchite and richterite). Grace. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 20460> [1] Thanks to Gary Randolph, Ounce of Prevention Home Inspection, LLC Buffalo, NY, for attentive reading and editing suggestions. A member of the phyllosilicate group of minerals, it resembles mica in appearance. 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. Grace’s Zonolite attic insulation. Vermiculite is a naturally occurring mineral compound that expands when heated. 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 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. 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. 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. The Good News. 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). Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. 1 in 4 Americans Don't Know if Their Homes Contain 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. related to health issues if inhaled. Pipes in basements, furnace rooms, utility rooms, and other service areas within the home may be wrapped with insulation that contains asbestos. 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. Environmental Protection Agency Ariel Rios Building 1200 Pennsylvania Avenue, N. 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. 5 Million From Company That Hid Asbestos Damage. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Sold under various brand names, such as Zonolite Attic Insulation, the insulation came in big bags. 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. 1 in 4 Americans Don't Know if Their Homes Contain Asbestos. 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. Ewing WM, Hays SM, Hatfield R, et al. 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 Trust is expected to operate for a minimum of 20 years. 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. 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. 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. 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. 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. 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. The EPA and ATSDR strongly recommend: Vermiculite insulation should be left undisturbed in your attic. R. Grace. Vermiculite insulation exposure levels in residential buildings: What are reasonable risk assessments for people exposed to vermiculite insulation in residential buildings. 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. 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 range of tasks selected for evaluation included. Richard Hatfield's 4 research works with 67 citations and 923 reads, including: Zonolite Attic Insulation Exposure Studies. 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. The manual is a collection of air, biological, bioaerosol,. Grace. Richard Hatfield's 4 research works with 67 citations and 923 reads, including: Zonolite Attic Insulation Exposure Studies.