Following is a list of freeware that provides information and tools for analyzing the risks associated with chemicals in the workplace and the environment. Before you access any software or apps, please read our disclaimer and permissions page if you haven't already done so.

3MRA
By US Environmental Protection Agency, Center for Exposure Assessment Modeling (CEAM). The Multimedia, Multi-pathway, Multi-receptor Exposure and Risk Assessment (3MRA) technology provides the ability to conduct screening-level risk-based assessment of potential human and ecological health risks resulting from long term (chronic) exposure to HWIR chemicals released from land-based waste management units (WMUs) containing currently listed waste streams. The 3MRA system consists of a series of components within a system framework.

Adult Lead Model (ALM) (for Excel)
By US Environmental Protection Agency, Office of Solid Waste and Emergency Response. Assesses risks associated with non-residential adult exposures to lead in soil.

Adult Lead Model (ALM) (for Lotus)
By US Environmental Protection Agency, Office of Solid Waste and Emergency Response. Assesses risks associated with non-residential adult exposures to lead in soil.

All-Ages Lead Model (AALM)
By US Environmental Protection Agency, National Center for Environmental Assessment (NCEA). Predicts lead concentration in body tissues and organs for a hypothetical individual, based on a simulated lifetime of lead exposure.

ARS Pesticide Properties Database
By US Department of Agriculture, Agricultural Research Service. A database of chemical and physical properties of 334 widely used pesticides. Information included in the database focuses on 16 of the most important properties that affect pesticide transport and degradation characteristics.

Benchmark Dose Software
By US Environmental Protection Agency. A tool to facilitate the application of benchmark dose (BMD) methods to EPA hazardous pollutant risk assessments

CalTOX
By California Department of Toxic Substances Control. A spreadsheet model that relates the concentration of a chemical in soil to the risk of an adverse health effect for a person living or working on or near the contaminated soil. CalTOX computes site-specific health-based soil clean-up concentrations given target risk levels or human health risks given soil concentrations at the site.

CAMEO
By US Environmental Protection Agency and National Oceanic and Atmospheric Administration. CAMEO (Computer-Aided Management of Emergency Operations) is a software suite of applications that includes: CAMEO, ALOHA, and MARPLOT. It supports government and industry chemical emergency management with chemical safety and emergency response data, digitized mapping, and air dispersion modeling.

CAMEO Chemicals
By US Environmental Protection Agency and National Oceanic and Atmospheric Administration. An online, easy-to-use version of the most popular components of the CAMEO program: the chemical database and the reactivity prediction tool. It contains response recommendations for over 6,000 chemicals. The database also contains over 100,000 chemical synonyms and identification numbers, which aid emergency responders in identifying unknown substances during an incident.

CatReg Software for Categorical Regression Analysis
By US Environmental Protection Agency, National Center for Environmental Assessment (NCEA). A computer program, written in the S-PLUS (MathSoft, Inc.) programming language, for exposure-response analyses. CatReg can be used to perform categorical regression analyses on toxicity data after effects have been assigned to ordinal severity categories (e.g., no effect, adverse effect, severe effect) and associated with up to two independent variables corresponding to the exposure conditions (e.g., concentration and duration) under which the effects occurred. CatReg calculates the probabilities of the different severity categories over the continuum of the variables describing exposure conditions.

ChemAlert App
By Risk Management Technologies (RMT). ChemAlert for iPhone and iPad now brings ChemAlert to the world of mobiles. Key chemical safety management information including Hazards and GHS Classifications, Risk and Safety Phrases, First Aid information and recommended Personal Protective Equipment (PPE) is now be available at your fingertips. 100 products available in free version.

Chemfinder
By CambridgeSoft Corporation. Information about specific chemicals with links to other web sites for even more information.

Chemical Backgrounders
By National Safety Council. Find chemical descriptions and such information as chemical properties, identification information, health effects, exposure and regulatory information.

Chemical Compatibility Database App
By Cole-Parmer. Find the right material/chemical compatibility for storage, transport and use. This app leverages years of research on chemical compatibility for plastics, metals, elastomers and ceramics. It contains more than 24,528 entries covering 584 chemicals and 42 materials. Available for your iPhone and iPad.

Chemical Compatibility Database Online
By Cole-Parmer. Find the right material/chemical compatibility for storage, transport and use. This tool leverages years of research on chemical compatibility for plastics, metals, elastomers and ceramics. It contains more than 24,528 entries covering 584 chemicals and 42 materials.

Chemical Fact Sheets (OPPT)
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). Chemical summaries and fact sheets in ASCII text and PDF formats.

Chemical Reactivity Worksheet
By US Environmental Protection Agency and National Oceanic and Atmospheric Administration. Find out about the reactivity of substances or mixtures of substances (reactivity is the tendency of substances to undergo chemical change). It includes a database of reactivity information for thousands of common hazardous chemicals. The database includes information about the special hazards of each chemical and about whether a chemical reacts with air, water, or other materials. The Worksheet also includes a way for you to virtually "mix" chemicals to find out what dangers could arise from accidental mixing.

ChemSTEER (Chemical Screening Tool For Exposures & Environmental Releases)
By US Environmental Protection Agency. ChemSTEER estimates occupational inhalation and dermal exposure to a chemical during industrial and commercial manufacturing, processing, and use operations involving the chemical. It also estimates releases of a chemical to air, water, and land that are associated with industrial and commercial manufacturing, processing, and use of the chemical.

CHESAR
By European Chemicals Agency. Chesar is a plug-in to IUCLID. The tool is meant to help companies in carrying out their chemical safety assessments (CSA) and in preparing their chemical safety reports (CSR) and exposure scenarios (ES) for communication in the supply chain.

Dangerous Goods Manual App
By Knorre. The Dangerous Goods Manual Android App helps you identify hazardous materials (HazMat). Includes ERI-Cards (Emergency Response Intervention Cards) for guidance on initial actions for fire crews.

Dietary Exposure Potential Model
By US Environmental Protection Agency, Office of Research and Development, National Exposure Research Laboratory (NERL). Dietary models can be used for identifying the importance of diet relative to other exposure pathways and indicating the potential for high exposure of certain populations. Existing consumption and contaminant residue databases, normally developed for purposes such as nutrition and regulatory monitoring, contain information to characterize dietary intake of environmental chemicals. A model and database system, termed the Dietary Exposure Potential Model (DEPM), correlates extant food information in a format for estimating dietary exposure.

Dioxin Sources Database
By US Environmental Protection Agency, National Center for Environmental Assessment (NCEA). The Database of Sources of Environmental Releases of Dioxin-like Compounds in the United States (US)(EPA/600/C-01/012, March, 2001) was developed by EPA's Office of Research and Development (ORD) to be a repository of certain specific chlorinated dibenzo-p-dioxin/dibenzofuran (CDD/CDF) emissions data from all known sources in the US.

E-FAST (Exposure and Fate Assessment Screening Tool)
By US Environmental Protection Agency. Provides screening-level estimates of the concentrations of chemicals released to air, surface water, landfills, and from consumer products. Estimates provided are potential inhalation, dermal, and ingestion dose rates resulting from these releases. Modeled estimates of concentrations and doses are designed to reasonably overestimate exposures for use in screening level assessment.

Ecological Structure Activity Relationships (ECOSAR)
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). Used to estimate the toxicity of chemicals used in industry and discharged into water. The program predicts the toxicity of industrial chemicals to aquatic organisms such as fish, invertebrates, and algae by using Structure Activity Relationships (SARs). The program estimates a chemical's acute (short-term) toxicity and, when available, chronic (long-term or delayed) toxicity.

Ecotox Database
By US Environmental Protection Agency, Office of Solid Waste and Emergency Response. The ECOTOX (ECOTOXicology) database provides single chemical toxicity information for aquatic and terrestrial life. ECOTOX is a useful tool for examining impacts of chemicals on the environment.

Emsoft Exposure Model for Soil-Organic Fate and Transport
By US Environmental Protection Agency, National Center for Environmental Assessment (NCEA). A screening model that may be used 1) to determine concentrations of contaminants remaining in the soil over a given time (when the initial soil concentration is known); 2) to quantify the mass flux (rate of transfer) of contaminants into the atmosphere over time; and 3) to subsequently calculate contaminant air concentrations by inputting mass flux values into atmospheric dispersion models.

Environmental Fate Data Base (EFDB)
By Syracuse Research Corporation. Environmental Fate Data Base (EFDB) has been developed by Syracuse Research Corp beginning in 1980 with support from EPA. It is comprised DATALOG and BIOLOG, bibliographic files containing environmental fate, and microbial toxicity and biodegradation data, and CHEMFATE and BIODEG containing experimental values relating to environmental fate, physical/chemical properties and biodegradation subjects. BIODEG Summary provides biodegradability summaries.

EPI Suite (Estimation Program Interface)
By US Environmental Protection Agency and Syracuse Research Corporation. The EPI Suite is a Windows-based suite of the following physical/chemical property and environmental fate estimation models: KOWWIN, AOPWIN, HENRYWIN, MPBPWIN, BIOWIN, PCKOCWIN, WSKOWWIN, BCFWIN, HYDROWIN, and STPWIN, WVOLWIN, and LEV3EPI.

EXTOXNET - The EXtension TOXicology NETwork
By University of California-Davis, Oregon State University, Michigan State University, Cornell University, and the University of Idaho. Various types of pesticide toxicology and environmental chemistry information.

Factor Finder
By US Environmental Protection Agency. A searchable database of exposure factors and sociodemographic data for user-defined populations.

Haz-Map
By Jay A. Brown, MD, MPH. Information on hazardous chemicals and occupational diseases to assist in the prevention of work-related illnesses caused by chemicals and biological agents in high-risk jobs and industries.

Health and Environmental Research Online (HERO)
By US Environmental Protection Agency. HERO contains the key studies EPA uses to develop environmental risk assessments for the public. EPA uses risk assessments to characterize the nature and magnitude of health risks to humans and the ecosystem from pollutants and chemicals in the environment. You can browse through the bibliographic references in HERO by topic or assessment, or search for articles by author, title, etc.

Immediately Dangerous To Life or Health Concentrations (IDLHs)
By National Institute for Occupational Safety and Health (NIOSH). Immediately Dangerous to Life or Health concentrations (IDLHs) were determined to assign appropriate respiratory protection equipment. IDLHs are listed with the basis and references for the current values.

Industrial Waste Air Model (IWAIR)
By US Environmental Protection Agency, Office of Solid Waste. Evaluates inhalation risk and estimates whether specific wastes and management practices may pose an unacceptable risk to human health.

Integrated Exposure Uptake Biokinetic Model for Lead in Children (IEUBK)
By US Environmental Protection Agency, Office of Solid Waste and Emergency Response. Attempts to predict blood-lead concentrations (PbBs) for children exposed to lead in their environment. The model allows the user to input relevant absorption parameters (e.g., the fraction of lead absorbed from water) as well as intake and exposure rates.

Integrated Risk Information System (IRIS) (download version)
By US Environmental Protection Agency, Office of Research and Development. IRIS is a database of human health effects that may result from exposure to various substances found in the environment. The information in IRIS is intended for those without extensive training in toxicology, but with some knowledge of health sciences. The heart of the IRIS system is its collection of computer files covering individual chemicals. These chemical files contain descriptive and quantitative information in the following categories: 1) oral reference doses and inhalation reference concentrations (RfDs and RfCs, respectively) for chronic noncarcinogenic health effects; and 2) hazard identification, oral slope factors, and oral and inhalation unit risks for carcinogenic effects.

Integrated Risk Information System (IRIS) (Internet version)
By US Environmental Protection Agency, Office of Research and Development. IRIS is a database of human health effects that may result from exposure to various substances found in the environment. The information in IRIS is intended for those without extensive training in toxicology, but with some knowledge of health sciences. The heart of the IRIS system is its collection of computer files covering individual chemicals. These chemical files contain descriptive and quantitative information in the following categories: 1) oral reference doses and inhalation reference concentrations (RfDs and RfCs, respectively) for chronic noncarcinogenic health effects; and 2) hazard identification, oral slope factors, and oral and inhalation unit risks for carcinogenic effects.

International Chemical Safety Cards (ICSCs)
By International Programe on Chemical Safety (IPCS) and NIOSH. Contains International Chemical Safety Cards in eight languages and indexed in a variety of ways. An ICSC summarizes essential health and safety information on chemicals for their use at the "shop floor" level by workers and employers in factories, agriculture, construction and other work places.

International Chemical Safety Cards (ICSCs)/CIS
By International Occupational Safety and Health Information Centre (CIS). An ICSC summarizes essential health and safety information on chemicals for their use at the "shop floor" level by workers and employers in factories, agriculture, construction and other work places.

Internet Geographical Exposure Modeling System (IGEMS)
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). IGEMS is a modernization of OPPT's older Graphical Exposure Modeling System and PCGEMS tools. IGEMS brings together in one system several EPA environmental fate and transport models and some of the environmental data needed to run them. IGEMS includes models and data for ambient air, surface water, soil, and ground water, and makes the models much easier to use than their stand-alone counterparts. IGEMS will have graphics and Geographical Information System (GIS) capabilities for displaying environmental modeling results.

Johnson and Ettinger Model for Subsurface Vapor Intrusion into Buildings
By US Environmental Protection Agency, Office of Solid Waste and Emergency Response. A series of models for estimating indoor air concentrations and associated health risks from subsurface vapor intrusion into buildings.

LeadSpread
By California Department of Toxic Substances Control. Estimates blood lead concentrations resulting from exposure via the following pathways: dietary intake, drinking water, soil and dust ingestion, inhalation, and dermal contact; created to run on Microsoft Excel

Life-Cycle Cost Analysis Tool for Chem/Bio Protection of Buildings
By National Institute of Standards and Technology. The life-cycle cost analysis tool helps users make consistent comparisons of Chem/Bio protection strategies based on established economic evaluation practices. The wide range of Chem/Bio protection strategies, the permanence of investment-based solutions, and the expense of their installation, operation, and maintenance necessitate an evaluation tool that allows one to systematically and consistently evaluate competing alternatives.

Master Summary for the Chemical Hazard Data Availability Table - DBF File
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). Contains information on whether or not data on six hazard endpoints are publicly available for about 3,000 US High Production Volume (HPV) organic chemicals. The six hazard endpoints (acute toxicity, chronic toxicity, teratogenicity or developmental and reproductive toxicity, mutagenicity, ecotoxicity, and environmental fate) comprise the "Screening Information Data Set" (SIDS) test battery established by the Organization for Economic Cooperation and Development.

Master Summary for the Chemical Hazard Data Availability Table - PDF File
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). Contains information on whether or not data on six hazard endpoints are publicly available for about 3,000 US High Production Volume (HPV) organic chemicals. The six hazard endpoints (acute toxicity, chronic toxicity, teratogenicity or developmental and reproductive toxicity, mutagenicity, ecotoxicity, and environmental fate) comprise the "Screening Information Data Set" (SIDS) test battery established by the Organization for Economic Cooperation and Development.

MCCEM (Multi-Chamber Concentration And Exposure Model)
By US Environmental Protection Agency. MCCEM estimates average and peak indoor air concentrations of chemicals released from products or materials in houses, apartments, townhouses, or other residences as well as inhalation exposures to these chemicals. The data libraries contained in MCCEM are limited to residential settings. However, the model can be used to assess other indoor environments (e.g. schools, offices) if the user can supply the necessary inputs.

MediaLab OSHA Formaldehyde
By MediaLab, Inc.. This basic course describes the charcteristics and symptoms of formaldehyde; explains relevant OSHA standards; describes environmental monitoring procedures; and tells how to protect yourself from the dangers of formaldehyde.

Medical Algorithms: Environmental Toxicology
By Institute for Algorithmic Medicine. Contains medical algorithms (computation, formula, survey, or look-up tables) useful in environmental toxicology. In MS Excel.

Medical Management Guidelines for Acute Chemical Exposures
By US Agency for Toxic Substances and Disease Registry (ATSDR). Guidelines intended to aid healthcare professionals involved in emergency response to effectively decontaminate patients, protect themselves and others from contamination, communicate with other involved personnel, efficiently transport patients to a medical facility, and provide competent medical evaluation and treatment to exposed persons.

Minimum Risk Levels (MRLs) for Hazardous Substances
By US Agency for Toxic Substances and Disease Registry (ATSDR). A list of Minimum Risk Levels (MRLs) of hazardous substances most commonly found at facilities on the CERCLA National Priorities List (NPL). An MRL is an estimate of the daily human exposure to a hazardous substance that is likely to be without appreciable risk of adverse noncancer health effects over a specified duration of exposure.

NFPA Chemical Hazard Label
By National Fire Protection Association (NFPA). Ever wonder what the numbers on a chemical hazard label mean? Here's a brief description of the label and NFPA Standard 704.

NIOSH Pocket Guide to Chemical Hazards (HTML version)
By National Institute for Occupational Safety and Health (NIOSH). A source of general industrial hygiene information on several hundred chemicals/classes for workers, employers, and occupational health professionals. The information in the NPG includes chemical structures and formula, identification codes, synonyms, exposure limits, chemical and physical properties, incompatibilities and reactivities, measurement methods, respirator selections, signs and symptoms of exposure, and procedures for emergency treatment.

Occupational Health Guidelines for Chemical Hazards
By National Institute for Occupational Safety and Health (NIOSH). Database of Occupational Health Guidelines for Chemical Hazards (PDF files for each chemical)

Online Lawyer Source
By Online Lawyer Source. Information for consumers on the health effects of various materials (manganese, oil spills, pesticides, etc) from a lawyers point of view.

OSHA 1988 PELs
By National Institute for Occupational Safety and Health (NIOSH). Database of OSHA Permissible Exposure Limits (PELs) for 1988 and Project Documentation

OSHA Lead in Construction Advisor
By US Occupational Safety and Health Administration. Helps users, especially small business, to understand OSHA's Lead in Construction standard (29CFR1926.62). It asks about work policies and practices to provide help regarding coverage of the rule, initial determinations, use of exposure data, and more.

Pesticide Information Profiles (PIPs)
By EXTOXNET. Provides specific pesticide information relating to health and environmental effects.

Preliminary Remediation Goals (PRG) for Radionuclides
By US Environmental Protection Agency, Office of Solid Waste and Emergency Response. Find risk-based PRGs calculated using default input parameters and the latest toxicity values. In addition, you are able to modify the input parameters to create site-specific PRGs to meet the needs of your Superfund site.

RADTRAN
By Sandia National Laboratories. RADTRAN is the national and international standard for transportation risk assessment for radioactive materials. It combines user-determined demographic, routing, transportation, packaging, and materials data with meteorological data (partly user-determined) and health physics data to calculate expected radiological consequences of incident-free radioactive materials transportation and associated accident risks. Free for approved users.

REACH SIN List
By International Chemical Secretariat (ChemSec). The REACH SIN (Substitute It Now) List is a candidate list of chemicals that meet the criteria of substances of very high concern defined in the legislation, such as those that may cause cancer or persist in our bodies and the environment for long periods of time. Also available for download in PDF or xls.

Right to Know Hazardous Substance Fact Sheets
By New Jersey Department of Health and Senior Services. Right to Know Hazardous Substance Fact Sheets available by chemical name in an Adobe PDF format.

Risk-Screening Environmental Indicators (RSEI)
By US Environmental Protection Agency, Office of Pollution Prevention and Toxics (OPPT). This model supports screening-level analysis of risk-related impacts of toxic chemical releases and transfers in the US. It uses data from the Toxics Release Inventory (TRI). RSEI analyzes risk factors including the amount of chemical released, the fate and transport of the chemical, the route and extent of human exposure to the chemical, and the toxicity of the chemical to produce a risk-related numerical score which you can use to compare to other model results.

Silica eTool
By US Occupational Safety and Health Administration. Helps you comply with the OSHA Standard on respirable crystalline silica.

Soil Screening Guidance for Chemicals
By US Environmental Protection Agency, Office of Solid Waste and Emergency Response. A tool for screening at National Priorities List (NPL) sites.

SOLV-DB
By National Center for Manufacturing Sciences. Information on commercially available solvents including health and safety considerations, chemical and physical data, regulatory responsibilities, and environmental fate.

Specific Medical Tests Published in the Literature for OSHA Regulated Substances
By National Institute for Occupational Safety and Health (NIOSH). Lists the specific medical tests published in the literature for OSHA regulated substances.

Superfund Chemical Data Matrix (SCDM)
By US Environmental Protection Agency, Superfund Program. Contains factor values and benchmark values applied when evaluating potential National Priorities List (NPL) sites using the Hazard Ranking System (HRS). Factor values are used for determining the relative threat posed by a hazardous waste site and reflect hazardous substance characteristics, such as toxicity and persistence in the environment, substance mobility, and potential for bioaccumulation. Benchmarks are environment- or health-based substance concentration limits developed by or used in other EPA regulatory programs. SCDM contains HRS factor values and benchmark values for hazardous substances that are frequently found at sites evaluated using the HRS, as well as the physical, chemical, and radiological data used to calculate those values. PDF files.

The Bioterrorism Act of 2002
By US Food and Drug Administration. The events of Sept. 11, 2001, reinforced the need to enhance the security of the United States. Congress responded by passing the Public Health Security and Bioterrorism Preparedness and Response Act of 2002 (the Bioterrorism Act), which President Bush signed into law June 12, 2002.

ToxFAQs
By US Agency for Toxic Substances and Disease Registry, Division of Toxicology. Frequently asked questions about contaminants found at hazardous waste sites.

Toxic Substance Control Act Test Submission database (TSCATS)
By Syracuse Research Corporation. The Toxic Substance Control Act Test Submission database, TSCATS, was developed by Syracuse Research Corp. for EPA starting in 1985. It is a central system for the collection, maintenance, and dissemination of information on unpublished technical reports submitted by industry to EPA under the Toxic Substances Control Act (TSCA). Studies on over 8,000 chemicals are categorized into three broad subject areas (health effects, environmental effects, and environmental fate).

Toxicity Estimation Software Tool (TEST)
By US Environmental Protection Agency. Estimates the toxicity values and physical properties of organic chemicals based on the molecular structure of the organic chemical entered by the user. It uses Quantitative Structure Activity Relationships (QSARs), which are mathematical models used to predict measures of toxicity from physical characteristics of the structure of chemicals (known as molecular descriptors).

Toxicology Information Briefs (TIBs)
By EXTOXNET. Short descriptions of a variety of issues that pertain to pesticides such as health and environmental effects.

Toxicology Issues of Concern (TICs)
By EXTOXNET. Various toxicology issues of concern such as In Our Children's Food, Environmental Hormones, and E Coli Outbreak.

US EPA Johnson & Ettinger Models (with California Health Criteria) (Groundwater Contamination)
By California Department of Toxic Substances Control. Estimates human health risks from subsurface vapor intrusion into buildings. Incorporates human health criteria specific to California, as developed by the Cal/EPA Office of Environmental Health Hazard Assessment (OEHHA).

US EPA Johnson & Ettinger Models (with California Health Criteria) (Soil Gas Contamination)
By California Department of Toxic Substances Control. Estimates human health risks from subsurface vapor intrusion into buildings. Incorporates human health criteria specific to California, as developed by the Cal/EPA Office of Environmental Health Hazard Assessment (OEHHA).

USW Safety
By United Steelworkers. The USW Safety iPhone/iPad app is designed as an easy and accessible chemical safety reference for workers. Search the New Jersey Material Safety Data Sheets (MSDS) database by chemical name, DOT number, CAS number, or RTK Substance number to view the entire fact sheet. This includes information on workplace exposure limits, health hazards, workplace controls, personal protective equipment, handling and storage, and emergency information. Flip through an electronic version of the NIOSH Pocket Guide to Chemical Hazards or search for a chemical by name in the index to view its properties, exposure limits, recommended personal protective equipment and first aid. A US Department of Labor Worker Safety & Health App Challenge Winner in January 2013.

Vulnerable Zone Indicator System (VZIS)
By US Environmental Protection Agency. Use this site to access the Vulnerable Zone Indicator System (VZIS), and quickly find out if an address in your community could be affected by a chemical accident. Results will be emailed.

WPEM (Wall Paint Exposure Assessment Model)
By US Environmental Protection Agency. The Wall Paints Exposure Assessment Model estimates the potential exposure of consumers and workers to the chemicals emitted from wall paint which is applied using a roller or a brush.

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This page last updated on 9/29/16