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NIOSHTIC-2 is a searchable bibliographic database of occupational safety and health publications, supported in whole or in part by the National Institute for Occupational Safety and Health (NIOSH).

NIOSHTIC-2 is updated continuously. At a minimum, each citation contains the author’s name or names, the title, and sufficient source information to facilitate retrieval, including the publication name, publication date, publication number(s), and pagination. Abstracts, key terms and links to full text are also provided when available. Additional citation information may be available under the "Full View" option.

NIOSHTIC-2 contains 43,356 occupational safety and health information resource citations. Each month approximately 70 current citations are added with an annual yearly yield over 800 new current NIOSH funded citations. Retrospective material is also added at about the same rate resulting in a total annual increase of approximately 1,600 citations.  A significant portion of the citations (39,000) date from 1971 to the present. An additional 13,800 resources in NIOSHTIC-2 are publications dating from the 1930's to the present from the NIOSH Mining Safety & Health Research Laboratories (formerly the U. S. Bureau of Mines).

Questions / Comments

NIOSH encourages users who find errors or identify missing information and documents to report the problem to the NIOSHTIC-2 project officer via e-mail by clicking here.

Document Types

  1. NIOSH-Numbered Publications
    1. Criteria Documents (CDs) recommend occupational safety and health standards to the Department of Labor. Usually included as part of the recommended standard is a Recommended Exposure Limit (REL), i.e., the concentration of a substance or level of a physical agent in the occupational environment above which workers should not be exposed. Also included in these documents are recommendations for personal protective equipment and clothing, work practices, engineering controls, hazard notification, medical surveillance, and recordkeeping. Criteria Documents that address processes or operations may not contain new REL's but do contain recommended work practices and control measures.
    2. Current Intelligence Bulletins (CIBs) convey important public health information and recommend protective measures. The CIB advises the occupational safety and health community including academia, industry, labor, and public interest groups of new data which may have an impact on their program or perception of the hazard.
    3. NIOSH Alerts are brief publications, based on case reports, that are intended to reduce injuries and fatalities or diseases and to stimulate research on effective preventive measures. The primary audience consists of those people in a position to directly intervene in the work environment to quickly eliminate the problem and reduce the risk.
    4. Report of Investigations (RIs) present the results of original mining health and safety research. They describe individual, short-term studies and include the objective of the research, the materials and techniques used, and the results of tests or experiments.
    5. Information Circulars (IC’s) present information compiled and analyzed by mining health and safety researchers. They include historical and statistical data, surveys of mining and operating activities, computer program descriptions and user guides, and annotated bibliographies.
    6. Technology News is a one-page flyer used to announce a milestone in mining health and safety research, technology ready for transfer to industry, or an opportunity for cooperative research and development.
    7. Workplace Solutions offer easy-to-understand, easy-to-access, and easy-to-use recommendations that turn the results of NIOSH research into occupational safety and health practice.
    8. Health and Safety Guides provide basic information for employers and employees to assist them in their efforts to provide a safe and healthful work environment.
    9. Technical Reports include a wide variety of documents that convey the results of NIOSH research.
  1. Health Hazard Evaluations/Hazard Evaluations and Technical Assistance (HETA) reports are the result of the NIOSH hazard evaluation and technical assistance program which provides, upon request, medical, nursing, and industrial hygiene technical and consultative assistance to Federal, state, and local agencies, labor, industry, and other groups or individuals to control occupational health hazards and to prevent related trauma and disease. HETA reports document surveys conducted by NIOSH at specific workplaces.
  2. Control Technology (CT) reports examine the most current methods for controlling exposures in the workplace.
  3. Industrywide Studies (IW) reports assess whether occupational exposures of selected worker groups are associated with adverse health consequences. In order to accomplish this objective, epidemiologic, industrial hygiene, and medical studies are conducted.
  4. Fatality Assessment and Control Evaluation (FACE) reports have focused primarily on selected electrical- and confined space-related fatalities. By scientifically collecting data from a sample of fatal accidents, it is possible to identify and rank factors that influence the risk of fatal injuries for selected employees.
  5. Contract reports are generated primarily from an agreement between NIOSH and a nongovernmental organization and typically involve scientific research. Since these reports can result in a NIOSH numbered publication, some records may show both a publication and contract number.
  6. NIOSH Sponsored Grant reports are similar to contract reports but generally are conducted by academic institutions.
  7. NIOSH Training Documents were developed by NIOSH for use in its training courses or for use by other occupational safety and health educators. Some of these are outdated manuals, but still contain pertinent information. Also, they are useful for professionals who deal with and/or teach laboratory safety.
  8. NIOSH Testimonies are given at the Department of Labor or Congressional hearings. They describe NIOSH findings and recommendations and may revise or elaborate on the recommendations published in other NIOSH documents.
  9. Miscellaneous NIOSH reports are those documents produced by NIOSH that do not fit into any of the above mentioned categories.
  10. NIOSH Authored Journal Articles, Books, Symposia, etc. are reports or books and/or book chapters written by NIOSH authors that appear in the scientific literature either in U.S. or foreign journals or book.

Search Tools

There are several valuable search tools encoded into NIOSHTIC-2 records. They are intended to make searching easier and more productive.

Chemical Abstracts Service (CAS) registry numbers are unique numbers assigned by the Chemical Abstracts Service of the American Chemical Society to represent a specific chemical compound. The inclusion of these numbers in NIOSHTIC-2 allows users to search for the appropriate CAS number as opposed to searching for all known synonyms for a particular compound. CAS numbers are entered into CA field. CAS numbers are entered in the standard Chemical Abstracts Service format (e.g., 7439-92-1).


Standard Industrial Classification (SIC) codes are unique numbers assigned by the Office of Management and Budget to represent specific industrial operations. These codes can have two to four digits with increased specificity as the number of digits increases. Most SIC codes in NIOSHTIC-2 have four digits. The SIC codes are entered into SC field. SIC codes are used primarily on NIOSH field studies.


North American Industry Classification System (NAICS) codes are unique numbers assigned by the Office of Management and Budget to represent specific industrial operations. NAICS superseded SIC in 1997. These codes can have two to six digits with increased specificity as the number of digits increases. Most NAICS codes in NIOSHTIC-2 have six digits. The NAICS codes are also entered into SC field. NAICS codes are used primarily on NIOSH field studies.


CODEN are unique six character alphanumeric codes assigned to titles of publications by the International CODEN Service of the American Chemical Society. These codes are entered into the CD field. They are useful in retrieving all citations from a specific source without requiring the user to type a long title, and also prevent false drops when source titles are brief and contain common terms. These CODEN are also used during internal quality control to ensure the accuracy of the source titles.


In addition to the standard bibliographic data (author, title, and reference), each NIOSHTIC-2 record includes the NIOSH control number, accession numbers NTIS), submission date, keyword field, and an abstract. Open-ended keywords are included on a broad conceptual level but are not selected from a controlled vocabulary. Abstracts of 150-300 words contain specific information from the citation which complements the broad concepts expressed in the keywords. The sample record which follows is presented in the original format as provided to all vendors.


 17 Alaska air carrier operator and pilot safety practices and attitudes: a statewide survey
Authors Conway-GA; Hill-A; Martin-S; Mode-NA; Berman-MD; Bensyl-DM; Manwaring-JC; Moran-KA 
Source Aviat Space Environ Med 2004 Nov; 75(11):984-991 

 17 Alaska air carrier operator and pilot safety practices and attitudes: a statewide survey
Authors Conway-GA; Hill-A; Martin-S; Mode-NA; Berman-MD; Bensyl-DM; Manwaring-JC; Moran-KA 
Source Aviat Space Environ Med 2004 Nov; 75(11):984-991 
NIOSHTIC No. 20025679 
AbstractAviation crashes are a leading cause of occupational fatalities in Alaska, with Alaskan pilots having nearly 100 times the fatality rate of U.S. workers overall. A survey was designed to study pilot and company practices and attitudes in order to develop intervention strategies that would reduce aviation fatalities. Methods: Two surveys were administered: one of air carrier operators and one of active commercial pilots. Surveys from 153 air taxi and public-use operators were received at a 79% response rate. Results: There are almost 2000 pilots employed in Alaska during peak season by air taxi operators and public agencies. Surveyed operators and pilots generally agreed that improved weather information and regional hazards training would be effective ways to prevent crashes. Operators were more in favor of operator financial incentives (p < 0.05) and better pre-employment hiring checks on pilots (p < 0.05) compared with pilots' survey responses. There were 48% of pilots of large operators and 73% of pilots of small operators who considered their jobs to be at least as safe as other jobs. Conclusions: The results of operator-pilot comparisons suggest that financial pressures on operators may influence their views on what measures would be effective in preventing crashes, and that Alaskan pilots underestimate their occupational fatality risk. 
KeywordsAircrews; Accident-prevention; Accidents; Injuries; Injury-prevention; Traumatic-injuries; Surveillance-programs 
Publication Date20041101 
Document TypeJournal Article 
Fiscal Year2005 
NTIS Accession No. 
NTIS Price 
Issue of Publication11 
NAICS Code49277041 
NIOSH DivisionDSR 
Source NameAviation, Space, and Environmental Medicine 
StateWV; AK 
More than 80% of the documents cited in NIOSHTIC-2 and published in the past 10 years have links to the electronic full text, either on the NIOSH web site or on the publisher's web site (subscription may be required). In addition, selected earlier NIOSH-numbered publications and reports are linked. You can view or download these full text documents by clicking on the "Link" field in the NIOSHTIC-2 full citation format.

You can also obtain hard copies of the documents cited in NIOSHTIC-2 as follows:

NIOSH-Numbered Publications (Document Type 1 above) may be obtained free-of-charge from NIOSH as long as supplies last by using the order form provided at Once our supply is exhausted, you can order copies of most Publications from the National Technical Information Service (NTIS) (; telephone 1-888-584-8332). Those Publications that are available from NTIS contain the order number in the "NTIS Accession No." field.  

Other NIOSH Reports (Document Types 2-10 above) can be ordered from the National Technical Information Service (NTIS) (; telephone 1-888-584-8332). Those Reports that are available from NTIS contain the order number in the "NTIS Accession No." field.  

Journal Articles, Book Chapters, and Symposium Proceedings (Document Type 11 above) can be found in scientific, university, medical, or major public libraries; or your librarian can obtain them through an interlibrary loan. Proceedings can usually be purchased from the sponsoring organization.