Table 2.
Summary information on perlite.
| Item | |
|---|---|
| CAS/EINECS NO. | CAS: 130885-09-5 (perlite ore); EINECS: Not listed CAS: 093763-70-3 (expanded perlite);EINECS: Not listed; RTECS No. SD5254000; REACH Exempted according to art.2 par 7b and Annex V.7. |
| NAICS (2012) Codes | Mining: 212399 (All other non-metallic mineral mines) Processing: 327992 (Ground or treated mineral and earth manufacturing) |
| Composition | Varies with source, see Table 1. |
| Carcinogenicity | Not listed as a carcinogen by IARC, NTP, OSHA, or CA Prop 65. ACGIH: A4 – Not Classifiable as a Human Carcinogen Perlite does not meet the criteria for classification as hazardous according to EC Regulation 1272/2008 and Directive 67/548/EC as amended. |
| WHMIS | Does not meet criteria |
| FDA | GRAS SCOGS Report #61, 1979 (http://www.fda.gov/Food/IngredientsPackagingLabeling/GRAS/SCOGS/ucm260952.htm) |
| EFSA | EFSA approved in subcategory of binders, anticaking agents, and coagulants E 599 Panel on Additives and Products (http://www.efsa.europa.eu/en/search/doc/68e.pdf). |
| OELs for selected countries | OSHA PNOR: 15 mg/m3 (total dust), 5 mg/m3 (respirable fraction) 8-h TWA NIOSH REL: 10 mg/m3 (total dust), 5 mg/m3 (respirable fraction) 8-h TWA ACGIH TLV: PNOS 10 mg/m3 (inhalable particles), 3 mg/m3 (respirable fraction) 8-h TWA Australia: 10 mg/m3, 8-h TWA Belgium: 10 mg/m3 (inhalable particles), 2 mg/m3 (respirable fraction) 8-h TWA Canada (Ontario, British Columbia): 10 mg/m3, 8-h TWA, http://www.e-laws.gov.on.ca/html/regs/english/elaws_regs_900833_e.htm and http://www2.worksafebc.com/publications/ohsregulation/GuidelinePart5.asp?ReportID = 32895. China: 8 mg/m3 (total dust), 4 mg/m3 (respirable fraction) 8-h TWA (Liang et al., 2003) Denmark: 10 mg/m3 (inhalable particles), 5 mg/m3 (respirable fraction) 8-h TWA Greece: 10 mg/m3 (inhalable particles), 5 mg/m3 (respirable fraction) 8-h TWA Ireland: 10 mg/m3 (inhalable particles), 5 mg/m3 (respirable fraction) 8-h TWAa Netherlands: 10 mg/m3, 8-h TWA, as inhalable dust Spain: 10 mg/m3 (inhalable particles), 3 mg/m3 (respirable fraction) 8-h TWAb UK: 10 mg/m3 (inhalable particles), 4 mg/m3 (respirable fraction) 8-h TWA |
| Potentially exposed cohort in the US | Total from NOES survey 215,854 persons in 1981–1983, see http://www.cdc.gov/noes/noes1/b0105sic.html. |
| Production (US) | Domestic production 424 000 metric tons; apparent consumption 557 000 metric tons (Bolen, 2013) |
| Major producing locations in US | The processed crude perlite was mined in eight mines located in Arizona, Idaho, Nevada, New Mexico, and Oregon (Bolen, 2012). Perlite was expanded at 50 plants located in 27 states (Bolen, 2013). |