metalloid characteristics

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9 documents for metalloid characteristics

- National Gypsum Company, Petitioner, v. United States Environmental Protection Agency, Respondent., 968 F.2d 40 (D.C. Cir. 1992)
... calculated the site's "waste characteristics" score by using the toxicity and persistence value... oxide is biodegradable, boron being a metalloid, inorganic substance." [Red Brief, at 18 n. 12]. T...
- Federal Circuits
- Arsenic levels in the soil and risk of birth defects: a population-based case-control study using GIS technology.
...Arsenic is a widely distributed metalloid occurring in rock, soil, water, and air. It is usu... variables analyzed are reliable characteristics of pregnant women. The use of the Kriging model an...
- Journal of Environmental Health
- Vol. 74 Nbr. 4, November 2011
- 40 CFR Appendix A to Part 300 - The Hazard Ranking System
...2.4Waste characteristics. 2.4.1Selection of substance potentially posing gr... hazardous substance that is a metal (or metalloid) and that does not meet the criteria for an observ...
- Code of Federal Regulations - Title 40: Protection of Environment

- 29 CFR 1910.1027 - Cadmium.
... Salt Lake Technical Center: Metal and Metalloid Particulate in Workplace Atmospheres (Atomic Absor...A summary of the characteristics of the most widely employed techniques is presente...
- Code of Federal Regulations - Title 29: Labor
- National Emission Standards for Hazardous Air Pollutants:
... health effects; the size and characteristics of the populations affected by exposures to HAP em...Selenium is a metalloid that sits just below sulfur on the periodic table ...
- FR, May 03, 2011
- Proposed rules
- Environmental Protection Agency
- 40 CFR Appendix A to Part 132 - Great Lakes Water Quality Initiative Methodologies for Development of Aquatic Life Criteria and Values
... coordination complexes of metals and metalloid), all forms that would be in chemical equilibrium ... based on other water quality characteristics, such as Ph, temperature, no transformation or a d...
- Code of Federal Regulations - Title 40: Protection of Environment
- Part III
...1. Boron. a. Background. Boron, a metalloid, tends to occur in nature in the form of borates (... by USGS (2006), common geological characteristics of karst regions that influence human use of its l...
- FR, May 01, 2007
- Separate parts
- Environmental Protection Agency
- Water programs: Drinking water contaminant candidate lists; primary contaminants; regulatory determinations,
...1. Boron. a. Background. Boron, a metalloid, tends to occur in nature in the form of borates (... by USGS (2006), common geological characteristics of karst regions that influence human use of its l...
- FR, May 01, 2007
- Proposed rules
- Environmental Protection Agency
- Environmental Protection Agency,
...Arsenic is a metalloid, which exhibits both metallic and nonmetallic chem... including age, genetic characteristics and dietary patterns. Metabolic and pharmacokineti...
- FR, June 22, 2000