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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

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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

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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

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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

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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

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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

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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

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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

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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

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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

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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]

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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.