Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). R. 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. 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. More than 2,400 people in Libby — about half the city’s population — have fallen ill as a result of exposure to 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. It is a pebble-like, pour-in product that is usually light brown or gold in color, ranging in size from very fine particles to course pieces around an inch long. It was poured into attics by the bag and acted as an insulator and also proved to be fire retardant. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. During a home renovation or demolition, contractors and other construction workers may risk exposure to Zonolite 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. Sold under various brand names, such as Zonolite Attic Insulation, the insulation came in big bags. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 1 VITAE William Edward Longo, Ph. Weatherizing the house as normal after testing reveals that the vermiculite insulation contains less than 1% asbestos. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Do. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. In another study, activity-based air and surface sampling was conducted in three homes to evaluate amphibole asbestos exposures during specific activities in attics containing. 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. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 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). 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. The present case study reports on tissue burden of fibrous dust in a person who used a vermiculite material (Zonolite) as an attic insulator some 50 years prior to her death. Grace were focused on providing durability, insulation and fire protection to structures. Irritancy of ProductThis website requires cookies, and the limited processing of your personal data in order to function. 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. R. 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. Grace. Therefore, just because you have vermiculite you should not automatically assume that it is the Zonolite brand. attic if retrieving the items will disturb the insulation. Grace. The fieldwork for these studies was conducted at two homes. Grace. Vermiculite insulation exposure levels in residential buildings: What are reasonable risk assessments for people exposed to vermiculite insulation in residential buildings. 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. Grace. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. R. Q: What is the Libby Mine? A: Beginning in the 1920’s, The Libby Mine was. Elevated Asbestos Exposures from a Building Demolition Which Contained Vermiculite Insulation @inproceedings{Cowan199965EA, title={65. We performed a systematic review and meta-analysis to evaluate the association between environmental asbestos exposure and lung cancer. Vermiculite is a naturally occurring mineral compound that expands when heated. A range of tasks selected for evaluation included. 5 Million From Company That Hid Asbestos Damage. 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 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. Grace. In this release (“ National Consumer Awareness Campaign Launched on Vermiculite Insulation Used in Some Attics ”), the EPA states that “… home testing vermiculite in attics. The number and location of homes that may contain the tainted insulation is elusive. 5. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). The good news. R. 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). Grace. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Abstract forZonolite Attic Insulation Exposure Studies | References | PDF (422. R. The primary goal of the research described hereZonolite 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. We have a toddler so felt it was better to remove it than to leave it alone. A range of tasks selected for. 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. R. 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. A member of the phyllosilicate group of minerals, it resembles mica in appearance. 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. The trust reimburses homeowners for 55 percent of their removal and reinsulation costs, with a maximum payout per owner of $4,125. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. R. While any disturbance has the potential to release asbestos fibers into the air, limiting the number of trips and shortening the length of those trips will reduce exposure. "For decades, the EPA has known about the risks Zonolite could pose to millions of American households, but a mix of brute politics, internal agency disputes and old-fashioned foot dragging has left families without the information needed to protect themselves,". The Zonolite Attic Insulation Trust (ZAI Trust) was created to help educate the public about the possible health effects of asbestos-containing vermiculite and to provide partial reimbursement for ZAI removal to qualified claimants. R. R. Trust covered about 65% of the abatement + insulation up to a certain amount. 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. 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. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). 3+ billion citations. 800. 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. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. At the foothills of Zonolite Mountain sits the town of Libby, Montana, population 2,700. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. A range of tasks. 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. 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. The contaminated vermiculite went to processing plants throughout the country. Additionally, ZAI Claimants offered two case reports of individuals (Harashe and. R. Zonolite is contaminated with tremolite, a. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Washington, D. If asbestos exposure can be proven, claims will be paid based on the level of disease. 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. The trust will reimburse homeowners for 55% of their removal and re. Unlike. 3320/1. 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. R. R. 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. R. Sullivan [ 9] reported 22 deaths from asbestosis (expected = 0. Vermiculite is a naturally-occurring mineral composed of shiny flakes, resembling mica. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The facility continuedZonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Canadians with the asbestos-contaminated insulation Zonolite in their homes are due a meagre settlement compared to their U. 3 During each year of the 1970s alone approximately 53,000 tons of vermiculite were installed into US homes, according to James R. Several studies were designed and conducted to evaluate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Grace. Grace. Grace were focused on providing durability, insulation and fire protection to structures. R. 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. Randolph. In its pure form, vermiculite is clean, odorless, nontoxic and sterile. For years, Zonolite was used in the insulation of homes throughout the United. You can also call 608-261-6876 or visit our Asbestos Program page for a list of state-certified contractors and consultants. No paper. December 17, 2006. In May 2003, EPA released information indicating that vermiculite contaminated with traces, less than 1% asbestos, is of significant concern. 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 a trademarked brand name of a vermiculite attic insulation that was sold between the 1940s and 1990s. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Watch a video of our our technicians performing Zonolite removal. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Grace. C. Grace. A range of. 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. 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. 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 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. 10. R. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. The agency did not draw conclusions regarding the health risks of the exposures, but recommended further studies. 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. On any device & OS. 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. 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. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 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. Vermiculite Insulation. Several studies were designed and conducted to evalu- ate amphibole asbestos exposures in homes containing Zonolite (expanded vermiculite) attic insulation (ZAI). Hazardous Products. Vermiculite was first identified in 1881 in a mine near Libby, Montana. Although it rarely poses a risk when undisturbed, old and damaged vermiculite. A range of. Thousands of homeowners simply opened the bags and poured the vermiculite into their attic floor, as well as down exterior walls. According to a 2022 report by the European Commission, over 70,000 workers died in 2019 from past exposure to asbestos. The verdict was the first of hundreds of cases pending against the company hired to oversee medical care and safety for workers. 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. g. 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. The Government of Canada is informing Canadians about the potential risks to health posed by vermiculite insulation containing asbestos. Grace. Ex-Worker Wins $36. 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. 844. 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. 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. The fibers contained ore that was used in Zonolite insulation, which was poured into at least 1 million homes across America from the 1930s to the early 1980s, the newspaper said. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. Raybestos-Manhattan & Raymark Industries. While no longer produced, as many as 35 million 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. From a distance, vermiculite insulation resembles pebbles or gravel, and it fades to a grey color over time. 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 only cause of asbestosis, which is a progressive respiratory disease, is exposure to asbestos. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. homes contained this type of attic insulation. Grace. A range of tasks selected for evaluation included clean- ing, 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. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. What is "asbestos exposure"? Asbestos exposure occurs when people breathe tiny asbestos fibers into their lungs, where the fibers can. Grace. R. Removing vermiculite from home or business attics normally costs between $10,000 and $15,000. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Article CAS Google Scholar. 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. Judge Judith Fitzgerald of the Delaware Bankruptcy Court has issued a 54 page Memorandum Opinion denying claimant's motion in the 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. Many trusts today are specific to asbestos exposure. 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. We searched for articles on non-occupational or. 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. Asbestos insulation is one of the largest sources of asbestos exposure. Asbestos-contaminated Libby vermiculite was used in loose-fill attic insulation that remains in millions of homes in the United States, Canada, and other countries. R. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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. 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 estimates that about 70% of the vermiculite mined in the US until 1990 came from a mine in Libby, Montana that contained asbestos. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. CSE MISC. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. Grace. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. The trust reimburses homeowners for 55 percent of their removal and reinsulation costs, with a maximum payout per owner of $4,125. Environmental Protection Agency Ariel Rios Building 1200 Pennsylvania Avenue, N. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 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. 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. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. 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). Grace. R. WAP (e. Some 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. R. R. R. S. R. Grace. Grace. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. This exposed workers in the plants. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. While not all vermiculite produced before 1990 contains asbestos fibres, it is reasonable to. 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 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. Contact your local health department for more information. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. Risk of cancer associated with residential exposure to asbestos insulation: a whole-population cohort study. 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. 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. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Vermiculite insulation is commonly found in residential attics and sold under the brand Zonolite. NIOSH is also updating a study of vermiculite workers originally conducted in the 1980s. 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. 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. 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. R. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 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. This attic insulation was typically gray-brown or silver-gold in color. Judge Judith Fitzgerald of the Delaware Bankruptcy Court has issued a 54 page Memorandum Opinion denying claimant's motion in the W. 2255 [email protected] market, is well known to contain small quantities of hazardous amphibole (a mineral source. W. 2. However, the asbestos product may still be present in some 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. The replacement pages are included. R. Expert Help. It’s defined by chronic scarring, which can lead to long-term respiratory. R. Grace. S market, is well known to contain small quantities of hazardous amphibole (a mineral source. 10. 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. 160+ million publication pages. 279 [Google Scholar] 38. R. R. . If you spent $3,000 for abatement and re-insulation, you are potentially eligible for. Although some vermiculite, notably that mined in China and South Africa, is considered to be asbestos free, Zonolite, with approximately 75% of the U. Very few 40-year-old homes are designed to allow a foot or more insulation installed in the attic. It was used in many construction materials including insulation. R. Zonolite is the brand name of Libby Vermiculite sold by the Zonolite Company and later by W. Grace. R. Pipe. 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. Hurford at (302) 426-1900 x102 or mhurford@camlev. 1179/107735210799160219. This mine had a natural deposit of asbestos which. 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 is best to assume that the material may contain asbestos.