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MAK

List of Substances with MAK & BAT Values & Categories

The Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area (MAK...

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The Commission for the Investigation of Health Hazards of Chemical Compounds in the Work Area (MAK Commission) provides scientific policy advice to the German government on reducing human health hazards from chemicals. The MAK Commission proposes maximum workplace concentrations (MAK values) for volatile chemicals and dusts, biological tolerance values (BAT values), biologische Leitwerte (BLW), biological reference values for workplace substances (BAR) and analytical methods for substances in the air and biological material. Substances which are carcinogenic, germ cell mutagenic, sensitising or absorbed percutaneously or which pose a risk during pregnancy are classified accordingly. The latter classifications are the ones referenced here.

On 1 July of every year the proposals for maximum workplace concentrations (MAK values), biological tolerance values (BAT values) and classifications are published in the annual List of MAK and BAT Values and sent to the German Federal Minister of Labour and Social Affairs. The MAK and BAT data, proposed classifications and associated documentation are put up for public discussion six months before publication. The Ministry's Committee on Hazardous Substances (AGS) reviews the proposals and recommends adoption in the Hazardous Substances Ordinance.

Each year detailed documentation is published in German and English for all proposed MAK values, BAT values and classifications. These documents run to over 1000 printed pages.and are available available free of charge in electronic format online in German and English. It includes the documentation for the MAK and BAT values and the analytical methods for air and biological material.

 

Hazards for Hazard List
Endpoint Hazard Rating and Description GREENSCREEN® HPD C2C
Carcinogenicity
Carcinogenicity: High hazard High confidence
Carcinogen Group 1 - Substances that cause cancer in man Priority List Carcinogenicity (Red)
Carcinogenicity
Carcinogenicity: High hazard High confidence
Carcinogen Group 2 - Considered to be carcinogenic for man Priority List Carcinogenicity (Red)
Respiratory Sensitization
Respiratory Sensitization: High hazard High confidence
Sensitizing Substance Sa - Danger of airway sensitization Priority List Skin and Respiratory Sensitization (Red)
Skin Sensitization
Skin Sensitization: High hazard High confidence
Sensitizing Substance Sh - Danger of skin sensitization Priority List Skin and Respiratory Sensitization (Red)
Carcinogenicity
Carcinogenicity: Moderate hazard High confidence
Carcinogen Group 3A - Evidence of carcinogenic effects but not sufficient to establish MAK/BAT value Priority List Carcinogenicity (Red)
Carcinogenicity
Carcinogenicity: Moderate hazard High confidence
Carcinogen Group 3B - Evidence of carcinogenic effects but not sufficient for classification Priority List Carcinogenicity (Red)
Carcinogenicity
Carcinogenicity: Moderate hazard High confidence
Carcinogen Group 4 - Non-genotoxic carcinogen with low risk under MAK/BAT levels Priority List Carcinogenicity (Yellow)
Carcinogenicity
Carcinogenicity: Moderate hazard High confidence
Carcinogen Group 5 - Genotoxic carcinogen with very slight risk under MAK/BAT levels Priority List Carcinogenicity (Red)
Respiratory and Skin Sensitization
Respiratory and Skin Sensitization: High hazard Low confidence
Sensitizing Substance Sah - Danger of airway & skin sensitization Priority List Multiple Endpoints (Red)
Skin and/or Respiratory Sensitization
Skin and/or Respiratory Sensitization: High hazard Low confidence
Sensitizing Substance SP - Danger of photocontact sensitization Priority List Multiple Endpoints (Red)
Mutagenicity/Genotoxicity
Mutagenicity/Genotoxicity: High to moderate hazard Low confidence
Germ Cell Mutagen 1 Priority List Mutagenicity (Red)
Developmental Toxicity incl. developmental neurotoxicity
Developmental Toxicity incl. developmental neurotoxicity: High to moderate hazard Low confidence
Pregnancy Risk Group A Priority List Reproductive Toxicity (Repro + Dev) (Red)
Developmental Toxicity incl. developmental neurotoxicity
Developmental Toxicity incl. developmental neurotoxicity: High to moderate hazard Low confidence
Pregnancy Risk Group B Priority List Reproductive Toxicity (Repro + Dev) (Red)
Mutagenicity/Genotoxicity
Mutagenicity/Genotoxicity: High to moderate hazard Low confidence
Germ Cell Mutagen 2 Priority List Mutagenicity (Red)
Mutagenicity/Genotoxicity
Mutagenicity/Genotoxicity: High to moderate hazard Low confidence
Germ Cell Mutagen 3a Priority List Mutagenicity (Red)
Developmental Toxicity incl. developmental neurotoxicity
Developmental Toxicity incl. developmental neurotoxicity: Moderate to low hazard Low confidence
Pregnancy Risk Group C Reproductive Toxicity (Repro + Dev) (Red, Yellow, or Green)
Mutagenicity/Genotoxicity
Mutagenicity/Genotoxicity: High to low hazard Low confidence
Germ Cell Mutagen 3b Mutagenicity (Red)
Mutagenicity/Genotoxicity
Mutagenicity/Genotoxicity: High to low hazard Low confidence
Germ Cell Mutagen 5 Mutagenicity (Red, Yellow, or Green)
Developmental Toxicity incl. developmental neurotoxicity
Developmental Toxicity incl. developmental neurotoxicity: High to low hazard Low confidence
Pregnancy Risk Group D Reproductive Toxicity (Repro + Dev) (Red, Yellow, or Green)

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