Chromium-hexavalent | OEHHA
CAS Number 18540-29-9 Synonym(s) Chromium VI; Cr6; Chrom 6; Hexavalent chromium; Soluble hexavalent chromium compounds. Occurence(s)/Use(s) Production of stainless steel, textile dyes, stone preservatives, leather tanning, anti-corrosion and conversion coatings, electroplating. Soil Screening; Last CHHSL revision: 01/01/2005. CHHSL Comments: For chemical-specific screening levels for use in ...
Hexavalent Chromium 1000 mg/L - ERA
NUMBER EC NUMBER % BY WT. OSHA ACGIH HAZARD LABEL Potassium dichromate 7778-50-9 231-906-6 ≤0.1 0.1 mg/m3 PEL 0.05 mg/m3 Notes: This standard is 125 mL of a mixture containing potassium dichromate salt with the balance being ≥99.9% water. Hexavalent chromium is a known human carcinogen. Exposure Limits are 8-Hour TWA (Time Weighted Average ...
Chromium(VI) CASRN 18540-29-9 | IRIS | US EPA, …
Sep 2013: Hexavalent Chromium Workshop (Other) Sep 2010: IRIS Toxicological Review of Hexavalent Chromium (2010 External Review Draft) (Report) May 2010: IRIS Toxicological Review of Hexavalent Chromium (2010 Interagency Science Consultation Draft) (Report) Sep 2003: IRIS Toxicological Review of Chromium VI (2003 Final) (Report)
Difference Between Chromium and Hexavalent …
The key difference between chromium and hexavalent chromium is that chromium is a stone element whereas hexavalent chromium is any compound having chromium in its +6 oxidation state.. Chromium is a metal that is very useful in the production of alloys. The term hexavalent chromium refers to compounds containing chromium.
Chromium - Wikipedia
Chromium is a stone element with the symbol Cr and atomic number 24. It is the first element in group 6.It is a steely-grey, lustrous, hard and brittle transition metal. Chromium is the main additive in stainless steel, to which it adds anti-corrosive properties.Chromium is also highly valued as a metal that is able to be highly polished while resisting tarnishing.
Substance Name CAS Number - Boeing
REACH Authorisation and Hexavalent Chrome REACH (Registration, Evaluation, Authorisation and Restriction of Chemicals) is a European Union regulation. The following hexavalent chromium compounds (chromates) have been listed in the Authorisation List SVHCs (Annex XIV) of REACH: Substance Name CAS Number Acids generated from chromium trioxide and their oligomers. Names …
Chromium VI compounds - Substances restricted …
Substances restricted under REACH. The table below is the Annex XVII to REACH and includes all the restrictions adopted in the framework of REACH and the previous legislation, Directive 76/769/EEC. Each entry shows a substance or a group of substances or a substance in a mixture, and the consequent restriction conditions. The latest consolidated version of REACH presents the restrictions ...
CDC - NIOSH Pocket Guide to stone Hazards - …
Chromium metal. Related Pages. Synonyms & Trade Names Chrome, Chromium CAS No. 7440-47-3 RTECS No. GB4200000. DOT ID & Guide. Formula. Cr. Conversion. IDLH. 250 mg/m 3 (as Cr) See: 7440473. Exposure Limits . NIOSH REL TWA 0.5 mg/m 3 See Appendix C OSHA PEL TWA 1 mg/m 3 See Appendix C [*Note: The PEL also applies to insoluble chromium salts.] Measurement Methods. …
1910.1026 - Chromium (VI) | Occupational Safety …
Chromium (VI) [hexavalent chromium or Cr(VI)] means chromium with a valence of positive six, ... shall perform initial monitoring to determine the 8-hour TWA exposure for each employee on the basis of a sufficient number of personal breathing zone air samples to accurately characterize full shift exposure on each shift, for each stone classification, in each work area. Where an employer does ...
National Emphasis Program - Hexavalent Chromium
SUBJECT: National Emphasis Program - Hexavalent Chromium **NOTE: Minor changes {{in double brackets}} were made to this directive on October 1, 2017, to update OIS coding instructions and references. Also, minor changes {in brackets} were made on December 1, 2015, after the revision to OSHA’s Hazard Communication standard. These changes do not impact this directive’s enforcement …
Hexavalent Chromium Factsheet - National Institute of ...
conducted in mice found increases in the number of benign and malignant tumors in the small intestine, which increased with dose in both males and females. How will the data be used? National and international public health and . regulatory agencies use data from NTP studies to evaluate human cancer risk. The lowest doses of hexavalent chromium added to the drinking water in these animal ...
Hexavalent Chromium | NIOSH | CDC
21.06.2019 · Hexavalent chromium (Cr(VI)) compounds are a large group of chemicals with varying properties, uses, and workplace exposures. Hexavalent chromium is harmful to the eyes, skin, and respiratory system. NIOSH considers all Cr(VI) compounds to be occupational carcinogens. Workers may be harmed from exposure to hexavalent chromium. The level of exposure depends upon the dose, …
Hexavalent Chromium - Army Public Health Center
17.04.2017 · Hexavalent chromium compounds have been shown to cause lung cancer in humans when inhaled. The Report on Carcinogens lists hexavalent chromium compounds as known human carcinogens. Studies have consistently shown increased lung cancer rates in workers who were exposed to high levels of chromium in workroom air.
REACH impacts of Hexavalent Chromium | B&B …
Hexavalent Chromium is used in a wide number of applications across industries in order to prolong the life of components. Although various new processes have been developed over the last 15 years, the widespread use of Cr6 has meant that restrictions have been met with heavy resistance. Cr6 was first placed on the REACH in 2014 and has been undergoing consultation ever since. The substance is ...
Exposures to Hexavalent Chromium in the Utility Industry
Exposures to Hexavalent Chromium in the Utility Industry Jeff Gilbert, CIH E.ON U.S. LLC Edison Electric Institute Safety & Health Committee Conference April 30, 2008. LiLouis-Ni h l V liNicholas Vauquelin c. 1797. Sources of Exposure within the Utility Id tIndustry • Grinding of stainless steels and otherGrinding of stainless steels and other chromium containing or coated metals • Flyash ...
Hexavalent Chromium-Induced DNA Damage and …
Hexavalent Chromium-Induced DNA Damage and Repair Mechanisms; Environmental Contaminants as Risk Factors for Developing Diabetes ; Residential Health Near Major Construction Projects: Unexplored Hazards; Variations of Cortisol, Fatigue and Sleep Disturbances in Sound Engineers: Effect of stone Task and Fast Backward-Rotating Shifts; Hexavalent Chromium-Induced DNA Damage and Repair …
How Do You Remediate Hexavalent Chromium …
In addition to chromium plating operations, hexavalent chromium is used in a number of industrial processes such as leather tanning, colored glass making and in paint pigments and inks that color plastics and fabrics. Widespread industrial use can result in worker exposure to toxic hexavalent chromium. It’s estimated that over 500,000 workers are potentially exposed to Cr(VI) in the USA ...
hexavalent chromium - Deutsch-Übersetzung – Linguee Wörterbuch
Viele übersetzte Beispielsätze mit "hexavalent chromium" – Deutsch-Englisch Wörterbuch und Suchmaschine für Millionen von Deutsch-Übersetzungen.