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GCat: Science & Technology
MCat: Chemicals
Cat: TLV

ATSDR Minimum Risk Levels (MRLs), IDLH Values - Immediately Dangerous to Life or Health Concentrations (IDLH), Biological Exposure Indices (BEI), Exposure Limits for Air Contaminants - PELs, TLVs, TWAs, and STELs exposure limits. Charts of OSHA standards 1910.119 & 1926.64 threshold quantities of chemicals. Table Z-3 Mineral Dusts 1910.1000 Table Z-2 1910,1000 Toxic and Hazardous Substances.

33 Resources
1988 OSHA PEL Project Documentation [5374] ?

OSHA comments from the June 19, 1988 Final Rule on Air Contaminants Project

1988 OSHA PEL Project Documentation: Chemical Listing [9765] ?

Database derived from OSHA comments from the June 19, 1988 Final Rule on Air Contaminants Project

ACGIH Notice of Intended Changes for 2006 TLVs and BEIs [28887] ?

Provides a list of the chemicals with changes - only a list - no details as to what the new TLVs are

Acute Exposure Guideline Levels for Selected Airborne Chemicals: Volume 1 (2000) [29243] ?

Covers anilene, arsine, monomethylhydrazine, dimethylhydrazine

Acute Exposure Guideline Levels for Selected Airborne Chemicals: Volume 2 (2002) [28483] ?

Reviews toxicity documents on five chemicals that can be released in the air from accidents at chemical plants

Acute Exposure Guideline Levels for Selected Airborne Chemicals: Volume 3 (2003) [29244] ?

Covers nerve agents, sulfur mustard, methyl isocyanate, diborane

Acute Exposure Guideline Levels for Selected Airborne Chemicals: Volume 4 (2004) [29245] ?

Covers chlorine, hydrogen chloride, hydrogen fluoride, toluene, uranium hexafluoride

Acute Exposure Guideline Levels for Selected Airborne Chemicals: Volume 5 (2007) [30219] ?

Covers chlorine dioxide, chlorine trifluoride, 3 cyclohexylamine, 4 ethylenediamine, HFE-7100, tetranitromethane

AIHA ERPGs [26345] ?

Emergency Response Planning Guidelines (ERPGs) - brief summaries and estimates of tolerable-effect thresholds

ATSDR Minimum Risk Levels (MRLs) [1018] ?

List of chemicals and their Minimum Risk Levels as determined by ATSDR

Australia - Exposure Standards [5049] ?

TWA/STEL for hazardous chemicals

Carbon Black - Working Safely [12878] ?

Discusses the ACGIH exposure limits to carbon black

Chemical Specific Toxicity Values [6380] ?

Human health toxicological information used to perform risk evaluations & assessments

Documentation for IDLH Values [487] ?

Documentation for Immediately Dangerous to Life or Health Concentrations (IDLHs)

ERPGs and TEELs [23002] ?

Emergency Response Planning Guidelines (ERPGs) and Temporary Emergency Exposure Limits (TEELs)

Exposure Limits for Air Contaminants [527] ?

Listing of PELs, TLVs and STELs exposure limits for air contaminants - plus, definitions

Medical Management Guidelines (MMGs) for Acute Chemical Exposures [25645] ?

Basic chemical and exposure information & potential health effects

MN-Minnesota: OSHA Permissible Exposure Limits [pdf] [15503] ?

In 1989, federal OSHA revised its PELs under 1910.1000, which Minnesota OSHA adopted

New Chemical Exposure Limits (NCELs) [6437] ?

NCEL concentrations established by EPA

NIOSH Pocket Guide Appendices [2080] ?

Full text of Appendices A, B, C, D, E, F, G to NIOSH Pocket Guide

Occupational Exposure Limits (OELs) - International [23573] ?

A summary of information on Occupational Exposure Limit values in various countries

Occupational Health Guidelines for Chemical Hazards [23003] ?

NIOSH guidelines for chemical hazards

OSHA Permissible Exposure Limits [19275] ?

PELs for several chemicals and hazards are included in chemical specific standards

OSHA: Chemical Sampling Information [9531] ?

OSHA TLVs on chemical substances that may be encountered during industrial hygiene investigations

Pesticide Tolerances [10428] ?

EPA sets limits on the amount of pesticides that may remain in or on foods

Updated Radiation Dose and Contamination Limits [pdf] [16778] ?

Methods for Assessing Occupational Radiaiton Doses Due to Intake of Radionuclides

Reference Data Sheet on Carbon Monoxide [10153] ?

Effects of carbon moxide on human beings (%CO in atmosphere) vs hrs of expsoure

Table Z-2 1910,1000 Toxic and Hazardous Substances [5846] ?

OSHA PELs for approximately 15 substances

Table Z-3 Mineral Dusts 1910.1000 [5852] ?

Full text of OSHA PELs for mineral dusts

TEEL Values including AEGLs and ERPGs [10420] ?

Searchable Database: AEGLs, ERPGs, and TEELs for Chemicals of Concern

USA National Recommened Water Quality Criteria for Priority Toxic Pollutants [9870] ?

Federal Register: December 10, 1998 (Volume 63, Number 237)][Notices] [Page 68353-68364]

VT-Vermont OSHA Permissible Exposure Limits [17271] ?

Vermont state specific standards


Related Categories & Information

- rmLibrary : Related Categories (3)

Chemicals / Lists
Lists of chemicals subject to environmental and safety regulations

Industrial Hygiene / Sampling
Technical guides on industrial hygiene air & noise sampling, monitoring, etc

OSHA / Sampling
OSHA sampling techniques, guidelines, and resources


- Cross References to other LAD Libraries (5)


- Cross References to LAD Directories (2)


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