# Gases, vapors, fumes, dusts, and mists.
**AGENCY:**
Occupational Safety and Health Administration (OSHA), Department of Labor.
**ACTION:**
Correcting amendments.
**SUMMARY:**
The Occupational Safety and Health Administration (OSHA) is correcting errors in the final rule addressing occupational exposure to hexavalent chromium that appeared in the *Federal Register* on February 28, 2006.
**DATES:**
Effective June 23, 2006.
**FOR FURTHER INFORMATION CONTACT:**
Mr. Kevin Ropp, Director, OSHA Office of Communications, Room N-3647, U.S. Department of Labor, 200 Constitution Avenue, NW., Washington, DC 20210; telephone (202) 693-1999.
**SUPPLEMENTARY INFORMATION:**
On February 28, 2006 (71 FR 10099), OSHA issued a revised standard for occupational exposure to hexavalent chromium. Subsequently, errors were discovered in the regulatory text. This notice is being published to correct these errors.
**Correction of Publication**
The following correcting amendments are made to the final rule for Chromium (VI) published in the *Federal Register* on February 28, 2006 (71 FR 10099).
**29 CFR Part 1910**
Accordingly, 29 CFR parts 1910, 1915, and 1926 are corrected by making the following correcting amendments.
**PART 1910—OCCUPATIONAL SAFETY AND HEALTH STANDARDS**
1. The authority citation for part 1910 continues to read as follows:
**Authority:**
Secs. 4, 6, 8, Occupational Safety and Health Act of 1970 (29 U.S.C. 653, 655, 657); Secretary of Labor's Order Numbers 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), or 5-2002 (67 FR 65008), as applicable.
**29 CFR Part 1910**
2. Section 1910.1000 is corrected as follows:
a. In Table Z-1 by revising the entry for “tert-Butyl chromate (as CrO <sub>3</sub> )” and footnote 5, removing the entry for “Chromic acid and chromates (as CrO <sub>3</sub> )”, and adding a new footnote 6;
b. In Table Z-2 by revising footnote c.
The revisions and additions read as follows:
§ 1910.1000
| Substance | CAS No. | ppm | mg/m | Skin |
| --- | --- | --- | --- | --- |
| | | | | |
| * * * * * * * | | | | |
| tert-Butyl chromate (as CrO
); see 1910.1026 | 1189-85-1 | | | |
| | | | | |
| * * * * * * * | | | | |
| Chromium (VI) compounds; see 1910.1026
. | | | | |
| | | | | |
| * * * * * * * | | | | |
| Substance | 8-hour time weighted average | Acceptable ceiling concentration | Acceptable maximum peak above the acceptable ceiling concentration for an 8-hr shift | Concentration | Maximum duration |
| --- | --- | --- | --- | --- | --- |
| | | | | | |
| * * * * * * * | | | | | |
| Chromic acid and chromates (Z37.7-1971) (as CrO
) | | 1 mg/10m | | | |
| | | | | | |
| * * * * * * * | | | | | |
**29 CFR Part 1915**
**PART 1915—OCCUPATIONAL SAFETY AND HEALTH STANDARDS FOR SHIPYARD EMPLOYMENT**
3. The authority citation for part 1915 continues to read as follows:
**Authority:**
Section 41, Longshore and Harbor Workers' Compensation Act (33 U.S.C. 941); sections 4, 6, 8, Occupational Safety and Health Act of 1970 (29 U.S.C. 653, 655, 657); Secretary of Labor's Order No. 12-71 (36 FR 8754), 8-76 (41 FR 25059), 9-83 (48 FR 35736), 1-90 (55 FR 9033), 6-96 (62 FR 111), 3-2000 (65 FR 50017) or 5-2002 (67 FR 65008), as applicable.
**29 CFR Part 1915**
4. Section 1915.1000 is corrected in Table Z by revising the entry for “tert-Butyl chromate (as CrO <sub>3</sub> )”, removing the entry for “Chromic acid and chromates (as CrO <sub>3</sub> )”, and adding an entry for “Chromium (VI) compounds.”
The revisions and additions read as follows:
§ 1915.1000
| Substance | CAS No. | ppma
* | mg/m
* | Skin |
| --- | --- | --- | --- | --- |
| | | | | |
| * * * * * * * | | | | |
| tert-Butyl chromate (as CrO
); see 1915.1026 | 1189-85-1 | | | |
| | | | | |
| * * * * * * * | | | | |
| Chromium (VI) compounds; see 1915.1026
. | | | | |
**29 CFR Part 1926**
**PART 1926—SAFETY AND HEALTH REGULATIONS FOR CONSTRUCTION**
5. The authority citation for part 1926 continues to read as follows:
**Authority:**
Section 107, Contract Work Hours and Safety Standards Act (Construction Safety Act) (40 U.S.C. 333); secs. 4, 6, 8, Occupational Safety and Health Act of 1970 (29 U.S.C. 653, 655, 657); Secretary of Labor's Order 12-71 (36 FR 8754), 8-76 (41 FR 25059), 1-90 (55 FR 9033),), or 6-96 (62 FR 111), as applicable; 29 CFR part 1911.
**29 CFR Part 1926**
6. Section 1926.55 is corrected in Appendix A by revising the entry for “tert-Butyl chromate (as CrO <sub>3</sub> )”, removing the entry for “Chromic acid and chromates (as CrO <sub>3</sub> )”, and adding an entry for “Chromium (VI) compounds.”
The revisions and additions read as follows:
§ 1926.55
**Appendix A to § 1926.55—1970 American Conference of Governmental Industrial Hygienists’ Threshold Limit Values of Airborne Contaminants**
| Substance | CAS No. | ppm | mg/m | Skin |
| --- | --- | --- | --- | --- |
| | | | | |
| * * * * * * * | | | | |
| tert-Butyl chromate (as CrO
); see 1926.1126 | 1189-85-1 | | | |
| | | | | |
| * * * * * * * | | | | |
| Chromium (VI) compounds; See 1926.1126
. | | | | |
| | | | | |
| * * * * * * * | | | | |
Signed at Washington, DC, this 15th day of June, 2006.
Edwin G. Foulke, Jr.,
Assistant Secretary of Labor.