# Hazard Communication; Correction
**AGENCY:**
Occupational Safety and Health Administration (OSHA), DOL.
**ACTION:**
Proposed rule: correction.
**SUMMARY:**
This document corrects the OSHA Hazard Communication standard proposed rule and request for comment, published in the *Federal Register* of September 30, 2009. This notice corrects eight errors, four in the preamble and four that appear in Appendix A: Table A.1.1, Table A.1.2, Table A.2.3, and Table A7.1.
**FOR FURTHER INFORMATION CONTACT:**
For general information and press inquiries, contact Jennifer Ashley, Office of Communications, Room N-3647, OSHA, U.S. Department of Labor, 200 Constitution Avenue, NW., Washington, DC 20210; telephone (202) 693-1999. For technical information, contact Maureen Ruskin, Directorate of Standards and Guidance, Room N-3718, OSHA, U.S. Department of Labor, 200 Constitution Avenue, NW., Washington, DC 20210; telephone (202) 693-1950.
**Correction**
1. In the preamble of OSHA's Hazard Communication standard, published in the *Federal Register* of September 30, 2009, (74 FR 50279) on page 50280, in the first column, correct the *FOR FURTHER INFORMATION CONTACT* section to read as follows:
*FOR FURTHER INFORMATION CONTACT:* For general information and press inquiries, contact Jennifer Ashley, Office of Communications, Room N-3647, OSHA, U.S. Department of Labor, 200 Constitution Avenue, NW., Washington, DC 20210; telephone (202) 693-1999. For technical information, contact Maureen Ruskin, Directorate of Standards and Guidance, Room N-3718, OSHA, U.S. Department of Labor, 200 Constitution Avenue, NW., Washington, DC 20210; telephone (202) 693-1950.
2. On page 50335, in column one, in the fifth full paragraph from the top of the page, in the third line from the bottom of that paragraph, the dollar amount of “$500 million” is corrected to read “$700 million”.
3. On page 50372, in column two, in the second full paragraph under Item 4, in the fifth line from the bottom of that paragraph, the quantity “4,215,404” is corrected to read “3,877,457”.
4. On page 50378, in column one, in the last line of text in that column above footnote 17, the dollar amount of “$610 million” is corrected to read “$621 million”.
5. In Appendix A to § 1910.1200 on page 50445, correct Table A.1.1: Acute toxicity hazard categories and acute toxicity estimate (ATE) values defining the respective categories, to read as follows:
| Exposure route | Category 1 | Category 2 | Category 3 | Category 4 |
| --- | --- | --- | --- | --- |
| Oral (mg/kg bodyweight)
: Notes (a), (b) | ≤ 5 | > 5 and ≤ 50 | > 50 and ≤ 300 | > 300 and ≤ 2000. |
| Dermal (mg/kg bodyweight)
: Notes (a), (b) | ≤ 50 | > 50 and ≤ 200 | > 200 and ≤ 1000 | > 1000 and ≤ 2000. |
| Inhalation—Gases (ppmV)
: Note (a), Note (b), Note (c) | ≤ 100 | > 100 and ≤ 500 | > 500 and ≤ 2500 | > 2500 and ≤ 20000. |
| Inhalation—Vapors (mg/l)
: Note (a), Note (b), Note (c), Note (d) | ≤ 0.5 | > 0.5 and ≤ 2.0 | > 2.0 and ≤ 10.0 | > 10.0 and ≤ 20.0. |
| Inhalation—Dusts and Mists (mg/l)
: Note (a), Note (b), Note (c) | ≤ 0.05 | > 0.05 and ≤ 0.5 | > 0.5 and ≤ 1.0 | > 1.0 and ≤ 5.0. |
6. In Appendix A on page 50447, correct Table A.1.2: Conversion from experimentally obtained acute toxicity range values (or acute toxicity hazard categories) to acute toxicity point estimates for use in the formulas for the classification of mixtures, to read as follows:
| Exposure routes | Classification category or experimentally obtained acute | Converted acute toxicity point estimate |
| --- | --- | --- |
| (mg/kg bodyweight ) | 0 < Category 1 ≤ 5 | 0.5 |
| | 5 < Category 2 ≤ 50 | 5 |
| | 50 < Category 3 ≤ 300 | 100 |
| | 300 < Category 4 ≤ 2000 | 500 |
| (mg/kg bodyweight) | 0 < Category 1 ≤ 50 | 5 |
| | 50 < Category 2 ≤ 200 | 50 |
| | 200 < Category 3 ≤ 1000 | 300 |
| | 1000 < Category 4 ≤ 2000 | 1100 |
| (ppmV) | 0 < Category 1 ≤ 100 | 10 |
| | 100 < Category 2 ≤ 500 | 100 |
| | 500 < Category 3 ≤ 2500 | 700 |
| | 2500 < Category 4 ≤ 20000 | 4500 |
| (mg/l) | 0 < Category 1 ≤ 0.5 | 0.05 |
| | 0.5 < Category 2 ≤ 2.0 | 0.5 |
| | 2.0 < Category 3 ≤ 10.0 | 3 |
| | 10.0 < Category 4 ≤ 20.0 | 11 |
| (mg/l) | 0 < Category 1 ≤ 0.5 | 0.005 |
| | 0.05 < Category 2 ≤ 2.0 | 0.05 |
| | 0.5 < Category 3 ≤ 10.0 | 0.5 |
| | 1.0 < Category 4 ≤ 20.0 | 1.5 |
7. In Appendix A on page 50450, correct Table A.2.3: Concentration of ingredients of a mixture classified as skin Category 1 or 2 that would trigger classification of the mixture as hazardous to skin (Category 1 or 2), to read as follows:
| Sum of ingredients classified as: | Concentration triggering classification of a mixture as: | Skin corrosive | Skin irritant |
| --- | --- | --- | --- |
| Skin Category 1 | ≥ 5% | ≥ 1% but < 5%. | |
| Skin Category 2 | | ≥10%. | |
| (10 × Skin Category 1) + Skin Category 2 | | ≥10%. | |
8. In Appendix A, on page 50467, correct Table A.7.1: Cut-off values/concentration limits of ingredients of a mixture classified as reproductive toxicants or for effects on or via lactation that trigger classification of the mixture, to read as follows:
| Ingredients classified as: | Cut-off values/concentration limits triggering classification of a mixture as: | Category 1 | Category 2 | Additional |
| --- | --- | --- | --- | --- |
| Category 1 reproductive toxicant | ≥ 0.1% | | | |
| Category 2 reproductive toxicant | | ≥ 0.1% | | |
| Additional category for effects on or via lactation | | | ≥ 0.1% | |
**Authority**
This document was prepared under the direction of Jordan Barab, Acting Assistant Secretary of Labor for Occupational Safety and Health, 200 Constitution Avenue, NW., Washington, DC 20210.
Signed at Washington, DC, this 29th day of October 2009.
Jordan Barab,
Acting Assistant Secretary of Labor for Occupational Safety and Health.