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

$AFETY PAYS
By US Occupational Safety and Health Administration. Help employers analyze the financial impacts of occupational injuries and illnesses that cause Lost Work Days. It uses AVERAGE direct and indirect costs to estimate the sales that might be needed by your company to cover the costs of those occupational injuries and illnesses.

1 Part Sunshine
By One Part Sunshine, LLC. Your guide to growing green kids. Shows you where to find the best green products for kids and moms-to-be. Experts evaluate each product to make sure it contains only natural and non-toxic ingredients and offer resources to help you create a more natural environment for your kids.

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.

AirCasting App
By HabitatMap. AirCasting is an Android app for recording, mapping, and sharing health and environmental data using your smartphone. Each AirCasting session lets you capture real-world measurements, annotate the data to tell your story, and share it via the CrowdMap. AirCasting is an open source project.

AIRNow Mobile App
By US Environmental Protection Agency. The AIRNow mobile application provides real-time air quality information that you can use to protect your health when planning your day. You can get location-specific reports on current air quality and air quality forecasts for both ozone and fine particle pollution (PM2.5). Air quality maps from the AIRNow website provide visual depictions of current and forecast air quality nationwide, and a page on air quality-related health effects explains what actions people can take to protect their health at different AQI levels, such as "code orange." Available for iPhone and Android.

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.

Anthrax eTool
By US Occupational Safety and Health Administration. An illustrated, interactive web-based training tool on anthrax, an acute infectious disease caused by a spore-forming bacterium called Bacillus anthracis. Anthrax has received heightened attention recently because of its use as a biological warfare agent.

Asbestos Advisor (for Windows)
By US Occupational Safety and Health Administration. For building owners, managers and lessees, as well as for contractors of building renovation, maintenance, and housekeeping services. The advisor interviews you about a building and writes a report on your responsibilities under the Asbestos rules.

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

BioMarkers Database
By US Environmental Protection Agency, National Center for Environmental Assessment (NCEA). This database was developed by assembling and evaluating the literature relevant to human biomarkers. It catalogues and evaluates the usefulness of biomarkers of exposure, susceptibility and effect which may be relevant for a longitudinal cohort study. Biomarkers can be used to indicate the presence of some types of cancer.

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 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.

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.

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.

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.

Environment Monitor App
By Outsourcing Partner. This Android app measures sound intensity (dB scale with a digital display and LEDs in different colors).

Environmental Health Series (PH 471-477)
By The School of Public Health at the University of Illinois at Chicago. The Illinois Public Health Preparedness Center offers competency-based, completely online courses for public health workers that are offered in a self-directed, instructor-led format. This series covers environmental health and includes the courses PH 471 to PH 477: What is Environmental Health?; Source and Hazard Assessment; Qualitative Risk Assessment; and Environmental Health Risk Communication.

EnviroRisk
By The School of Public Health at the University of Illinois at Chicago. A case-based, problem-solving program in environmental risk assessment and risk communication. You will play the role of a public health professional as you go through the course. This course will develop your ability to investigate an environmental health problem and serve as a resource and risk communicator in your community. Credit for taking this course is available through the Centers for Disease Control and Prevention.

EPA Data Finder
By US Environmental Protection Agency. This site is a single place to find a vast selection of EPA data sources, organized into topics such as air and water that are in easily downloadable formats. Data Finder points to data in downloadable formats to speed up environmental research. For each data source, you can see a basic overview, including the geographic scale and other contextual information, then access the data source itself.

Epi Info
By US Center for Disease Control (CDC). With Epi Info and a personal computer, epidemiologists and other public health and medical professionals can rapidly develop a questionnaire or form, customize the data entry process, and enter and analyze data. Epidemiologic statistics, tables, graphs, and maps are produced with simple commands such as READ, FREQ, LIST, TABLES, GRAPH, and MAP. Epi Map displays geographic maps with data from Epi Info.

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.

GoodGuide
By GoodGuide, Inc.. Find safe, healthy, green and ethical products based on scientific ratings.

GoodGuide Mobile App
By GoodGuide, Inc.. Find health, environmental, and social performance ratings for over 145,000 food, personal care, and household products from baby shampoo to bathroom cleaner. The GoodGuide mobile app makes it fast and easy to find safe, healthy, green, and ethical products, instantly delivering the information you need, when you need it most in a store and on the go. Includes barcode scanning. Available for iPhone and Android.

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.

Heat Safety Tool
By US Occupational Safety and Health Administration and US Department of Labor. The App allows workers and supervisors to calculate the heat index for their worksite, and, based on the heat index, displays a risk level to outdoor workers. Then, with a simple "click," you can get reminders about the protective measures that should be taken at that risk level to protect workers from heat-related illness-reminders about drinking enough fluids, scheduling rest breaks, planning for and knowing what to do in an emergency, adjusting work operations, gradually building up the workload for new workers, training on heat illness signs and symptoms, and monitoring each other for signs and symptoms of heat-related illness. Available for iPhone, Blackberry and Android.

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.

Indoor Air Quality Building Education and Assessment Model (I-BEAM)
By US Environmental Protection Agency. I-BEAM is computer software for use by building professionals and others interested in indoor air quality (IAQ) in commercial buildings. The software provides guidance for managing IAQ in commercial buildings using a combination of text, animation/visual aides, and interactive/calculation components. It can be used to conduct an IAQ audit, diagnose and resolve IAQ-related health problems, establish an IAQ management and maintenance program, calculate costs, and more.

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.

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.

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

Legionnaires Disease eTool
By US Occupational Safety and Health Administration. Designed to assist industrial hygienists in the assessment of worksites for potential Legionnaires disease. It provides information on disease recognition, investigation procedures to identify probable water sources, and control strategies.

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.

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 Tuberculosis
By MediaLab, Inc.. This basic course tells how tuberculosis (TB) is spread; describes symptoms associated with TB; describes TB testing procedures; relates specific guidelines and CDC risk categories; and describes methods of TB control.

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

Medical Algorithms: Occupational Medicine & Disability Assessment
By Institute for Algorithmic Medicine. Contains medical algorithms (computation, formula, survey, or look-up tables) useful in occupational medicine and disability assessment. In MS Excel.

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.

MMH Calculator App
By Rising Step. With this free version of the MMH Calculator (Manual Material Handling) the recommended weight limit for lifting tasks can be calculated. The calculation is based on the revised NIOSH lifting equation. This method is internationally established, and is e.g. used by Dutch Labour Inspectorate.

MMSOILS (for DOS)
By US Environmental Protection Agency, Center for Exposure Assessment Modeling (CEAM). The Multimedia Contaminant Fate, Transport, and Exposure Model (MMSOILS) estimates the human exposure and health risk associated with releases of contamination from hazardous waste sites. The methodology consists of a multimedia model that addresses the transport of a chemical in groundwater, surface water, soil erosion, the atmosphere, and accumulation in the foodchain. The human exposure pathways considered in the methodology include: soil ingestion, air inhalation of volatiles and particulates, dermal contact, ingestion of drinking water, consumption of fish, consumption of plants grown in contaminated soil, and consumption of animals grazing on contaminated pasture.

MULTIMDP (MULTIMED Daughter Process) (for DOS)
By US Environmental Protection Agency, Center for Exposure Assessment Modeling (CEAM). The Multimedia Exposure Assessment Model (MULTIMED) for exposure assessment simulates the movement of contaminants leaching from a waste disposal facility. The MULTIMED model has been modified (MULTIMDP) to simulate the transport and fate of first- and second-generation transformation (daughter) products that migrate from a waste source through the unsaturated and saturated zones to a downgradient receptor well.

MULTIMED 1.01 (for DOS)
By US Environmental Protection Agency, Center for Exposure Assessment Modeling (CEAM). The Multimedia Exposure Assessment Model (MULTIMED) for exposure assessment simulates the movement of contaminants leaching from a waste disposal facility. The model consists of a number of modules which predict concentrations at a receptor due to transport in the subsurface, surface air, or air.

MULTIMED 2.00 Beta (for DOS)
By US Environmental Protection Agency, Center for Exposure Assessment Modeling (CEAM). The Multimedia Exposure Assessment Model (MULTIMED) for exposure assessment simulates the movement of contaminants leaching from a waste disposal facility. The model consists of a number of modules which predict concentrations at a receptor due to transport in the subsurface, surface air, or air.

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)

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 Hazard Awareness Advisor (download)
By US Occupational Safety and Health Administration. Helps users, particularly small businesses, to identify and understand common occupational safety and health hazards in their work places. From the user's answers to questions, it prepares a customized report that briefly describes the likely hazards and the OSHA standards which address those hazards.

OSHA Hazard Awareness Advisor (online)
By US Occupational Safety and Health Administration. Helps users, particularly small businesses, to identify and understand common occupational safety and health hazards in their work places. From the user's answers to questions, it prepares a customized report that briefly describes the likely hazards and the OSHA standards which address those hazards.

PC Life Table Analysis System (LTAS)
By National Institute for Occupational Safety and Health (NIOSH). An analytical software system for use in occupational cohort mortality studies.

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

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.

Recalls and Safety Alerts App
By Health Canada. Get access to recent recalls and safety alerts from the Government of Canada including the most recent recalls and advisories from Health Canada, Transport Canada and the Canadian Food Inspection Agency (CFIA). The Recalls and Safety Alerts app is available for Apple, Android and BlackBerry.

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.

RMP*Comp (download)
By US Environmental Protection Agency and National Oceanic and Atmospheric Administration. Helps complete the offsite consequence analyses (both worst case scenarios and alternative scenarios) required under the Risk Management Planning Rule, which implements Section 112(r) of the US 1990 Clean Air Act.

RMP*Comp (online)
By US Environmental Protection Agency and National Oceanic and Atmospheric Administration. Helps complete the offsite consequence analyses (both worst case scenarios and alternative scenarios) required under the Risk Management Planning Rule, which implements Section 112(r) of the US 1990 Clean Air Act.

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

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.

The Consumer Guide to Toxic Chemicals in Toys
By Ecology Center. HealthyToys.org includes test results for more than 5,000 toys and children's products. The site is a first step in providing parents, grandparents, and others who care about children with the information they need to make better choices when purchasing toys and other children's products.

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

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).

Working Together -- Healthy Workplaces Campaign App
By European Agency for Safety and Health at Work. This iPad app includes different tools and resources to help managers, workers and their representatives to work together for risk prevention and health promotion in the workplace. Includes videos, checklists and an interactive self-assessment tool

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