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Health Hazard Criteria (Mandatory) - 1910.1200 App A

Appendix A to the Hazard Communication Standard, 29 CFR 1910.1200

[Note: Annotations made in green text below are tips/commentary by ILPI, not OSHA.]

A.0 GENERAL CLASSIFICATION CONSIDERATIONS

A.0.1 Classification

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A.0.2 Available data, test methods and test data quality
A.0.3 Classification based on weight of evidence
A.0.4 Considerations for the classification of mixtures
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A.0.5 Bridging principles for the classification of mixtures where test data are not available for the complete mixture
A.1 ACUTE TOXICITY

A.1.1 Definition

A.1.2 Classification criteria for substances

Table A.1.1: Acute toxicity hazard categories and acute toxicity estimate (ATE) values defining the respective categories

Exposure route Category 1 Category 2 Category 3 Category 4
Oral (mg/kg bodyweight)
see:        Note (a)
              Note (b)

≤ 5

>5 and ≤ 50

>50 and ≤ 300

>300 and ≤ 2000
Dermal) (mg/kg bodyweight)
see:        Note (a)
              Note (b)

≤ 50

>50 and ≤ 200

>200 and ≤ 1000

>1000 and ≤ 2000
Inhalation - Gases (ppmV)
see:        Note (a)
              Note (b)
              Note (c)

≤ 100

>100 and ≤ 500

>500 and ≤ 2500

>2500 and ≤ 20000
Inhalation - Vapors (mg/l)
see:        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)
see:        Note (a)
              Note (b)
              Note (c)

≤ 0.05

>0.05 and ≤ 0.5

>0.5 and ≤ 1.0

>1.0 and ≤ 5.0

A.1.3 Classification criteria for mixtures

A.2 SKIN CORROSION/IRRITATION

A.2.1 Definitions and general considerations


A.2.2 Classification criteria for substances using animal test data

A.2.3 Classification Criteria for Substances Using Other Data Elements

A.2.4 Classification criteria for mixtures

A.3 SERIOUS EYE DAMAGE /EYE IRRITATION

A.3.1 Definitions and general considerations


A.3.2 Classification criteria for substances using animal test data


A.3.3 Classification Criteria for Substances Using Other Data Elements


A.3.4 Classification criteria for mixtures

A.4 RESPIRATORY OR SKIN SENSITIZATION

A.4.1 Definitions and general considerations

A.4.2 Classification criteria for substances

A.4.3 Classification criteria for mixtures

A.5 GERM CELL MUTAGENICITY

A.5.1 Definitions and general considerations

A.5.2 Classification criteria for substances

A.5.3 Classification criteria for mixtures

A.5.4 Examples of scientifically validated test methods:s

A.6 CARCINOGENICITY
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A.6.1 Definitions

A.6.2 Classification criteria for substances

A.6.3 Classification criteria for mixtures

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A.6.4 Classification of carcinogenicity

A.7 REPRODUCTIVE TOXICITY

A.7.1 Definitions and general considerations

A.7.2 Classification criteria for substances

A.7.2.2 Basis of classification

A.7.3 Classification criteria for mixtures

A.8 SPECIFIC TARGET ORGAN TOXICITY: SINGLE EXPOSURE

A.8.1 Definitions and general considerations

A.8.2 Classification criteria for substances

A.8.3 Classification criteria for mixtures

A.9 SPECIFIC TARGET ORGAN TOXICITY: REPEATED OR PROLONGED EXPOSURE

A.9.1 Definitions and general considerations

A.9.2 Classification criteria for substances

A.9.3

Classification criteria for mixtures

A.10 ASPIRATION HAZARD

A.10.1 Definitions and general and specific considerations

A.10.2 Classification criteria for substances

A.10.3 Classification criteria for mixtures

[77 FR 17790, March 26, 2012; 78 FR 9313, Feb. 8, 2013]


Entry last updated: Saturday, July 30, 2016. This hypermarked and content-enhanced page is copyright 2001-2016 by ILPI, all rights reserved. Unauthorized duplication or posting on other web sites is expressly prohibited. For questions, comments and concerns, please contact us at our MSDS email address.

The official, public domain, OSHA version of this document is available at https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=standards&p_id=10100.