# NIOSH Mobile Pocket Guide — Chemical Hazard Data > Industrial hygiene data for 677 chemicals, including exposure limits and search. (iPhone/iPad app by Centers For Disease Control and Prevention.) - Source: https://appshunter.io/ios/app/niosh-mobile-pocket-guide/id1450966582 (this page in markdown: same URL + `.md`) - Developer: [Centers For Disease Control and Prevention](https://appshunter.io/developer/439259253) - Category: Health & Fitness, Medical - Price: Free - Rating: 3.50/5 from 19 App Store ratings · 1 written reviews indexed - Age rating: 17+ - Requires: iOS 12.0 · 15 MB - Languages: American English - Released: 2019-05-17 - Data updated: 2026-08-28 - Monetization: free - User reviews in markdown: https://appshunter.io/ios/app/niosh-mobile-pocket-guide/id1450966582/reviews.md ## What is NIOSH Mobile Pocket Guide? The NIOSH Pocket Guide to Chemical Hazards is intended as a source of general industrial hygiene information for workers, employers, and occupational health professionals. The Pocket Guide presents key information and data in abbreviated tabular form for 677 chemicals or substance groupings (e.g., manganese compounds, tellurium compounds, inorganic tin compounds, etc.) that are found in the work environment. The industrial hygiene information found in the Pocket Guide should help users recognize and control occupational chemical hazards. The chemicals or substances contained in this revision include all substances for which the National Institute for Occupational Safety and Health (NIOSH) has recommended exposure limits (RELs) and those with permissible exposure limits (PELs) as found in the Occupational Safety and Health Administration (OSHA) General Industry Air Contaminants Standard (29 CFR 1910.1000). • 677 chemical entries and appendices. • Links to IDLH, as well as NIOSH and OSHA Methods (requires a data connection). • Search chemical by name and synonym, DOT number, CAS number, RTECS number. • Preferences settings to select information to be displayed. • Bookmark commonly used chemicals • Chronological history of chemicals viewed • Drag and drop chemical entries to copy information being displayed to other apps (iPad version/iOS 11 and above) ## Key features - 677 chemical entries - Search by name, synonym, DOT, CAS, RTECS - Links to IDLH, NIOSH, OSHA Methods - Bookmark favorite chemicals - View chemical history - Copy chemical data to other apps ## Recent user reviews (1 of 1) All indexed reviews: https://appshunter.io/ios/app/niosh-mobile-pocket-guide/id1450966582/reviews.md ### 5/5 — Thanks *2023-08-15* 2023 ## Frequently asked questions about NIOSH Mobile Pocket Guide ### What is the NIOSH Mobile Pocket Guide? The NIOSH Mobile Pocket Guide is a reference tool that provides general industrial hygiene information for workers, employers, and occupational health professionals. It contains key data in a tabular format for 677 chemicals to help identify and control workplace hazards. ### What kind of information does the NIOSH Mobile Pocket Guide offer? It offers information on 677 chemicals, including recommended exposure limits (RELs) and permissible exposure limits (PELs). It also provides links to IDLH, NIOSH, and OSHA Methods, requiring a data connection. ### How can I search for chemicals in the NIOSH Mobile Pocket Guide? You can search for chemicals by their name and synonym, DOT number, CAS number, or RTECS number. This allows for quick and precise retrieval of information. ### Can I save chemicals I use often in the NIOSH Mobile Pocket Guide? Yes, the app allows you to bookmark commonly used chemicals. This feature helps you quickly access the data for substances you frequently refer to. ### Does the NIOSH Mobile Pocket Guide have ads? No, the NIOSH Mobile Pocket Guide is ad-free. It does not contain advertisements, allowing for an uninterrupted user experience. ### What devices is the NIOSH Mobile Pocket Guide compatible with? The NIOSH Mobile Pocket Guide is compatible with iPhone, iPad, and iPod devices. It is designed for use on Apple's mobile operating systems. ### How often is the NIOSH Mobile Pocket Guide updated? The latest version of the NIOSH Mobile Pocket Guide is 1.0.10, which was last updated on October 5, 2021. Future updates will depend on the CDC's release schedule. ### Is the NIOSH Mobile Pocket Guide suitable for all ages? The NIOSH Mobile Pocket Guide has an age rating of 17+. This is due to the technical nature of the industrial hygiene and chemical hazard information it contains. ## Version history (last 5 releases) ### 1.0.10 — 2021-10-05 • Updated chemical data ### 1.0.9 — 2020-09-24 • Security updates • Bug fix ### 1.0.8 — 2020-08-22 • Security Updates • Terms of Use Updates ### 1.0.7 — 2020-07-10 Metrics reporting updates ### 1.0.5 — 2019-12-05 •Updated chemical data •Bug fixes ## More apps by Centers For Disease Control and Prevention - [CDC](https://appshunter.io/ios/app/cdc/id487847188) - [Solve the Outbreak](https://appshunter.io/ios/app/solve-the-outbreak/id592485067) - [Contraception](https://appshunter.io/ios/app/contraception/id595752188) - [STI Tx Guide](https://appshunter.io/ios/app/sti-tx-guide/id655206856) - [Ladder Safety](https://appshunter.io/ios/app/ladder-safety/id658633912) - [Prevent Group B Strep(GBS)](https://appshunter.io/ios/app/prevent-group-b-strepgbs/id689290789) All apps by Centers For Disease Control and Prevention: https://appshunter.io/developer/439259253 ## Related topics [niosh pocket guide](https://appshunter.io/ios/topics/niosh-pocket-guide) · [cdc niosh pocket guide](https://appshunter.io/ios/topics/cdc-niosh-pocket-guide) · [niosh pocket guide to chemical hazards](https://appshunter.io/ios/topics/niosh-pocket-guide-to-chemical-hazards) · [niosh](https://appshunter.io/ios/topics/niosh) · [poison control](https://appshunter.io/ios/topics/poison-control) · [decon field guide](https://appshunter.io/ios/topics/decon-field-guide) · [wiser hazmat](https://appshunter.io/ios/topics/wiser-hazmat) · [niosh applications](https://appshunter.io/ios/topics/niosh-applications) · [erdss](https://appshunter.io/ios/topics/erdss) · [niosh ladder](https://appshunter.io/ios/topics/niosh-ladder) · [hazmatch](https://appshunter.io/ios/topics/hazmatch) · [chemical safety data sheets](https://appshunter.io/ios/topics/chemical-safety-data-sheets) · [chemical companion](https://appshunter.io/ios/topics/chemical-companion) · [chemical hazards pocket guide](https://appshunter.io/ios/topics/chemical-hazards-pocket-guide) · [cameo chemicals](https://appshunter.io/ios/topics/cameo-chemicals) · [kappler](https://appshunter.io/ios/topics/kappler) · [hazmat iq](https://appshunter.io/ios/topics/hazmat-iq) · [mobile guides](https://appshunter.io/ios/topics/mobile-guides) · [hazmat pocket guide](https://appshunter.io/ios/topics/hazmat-pocket-guide) · [gc troubleshooting guide](https://appshunter.io/ios/topics/gc-troubleshooting-guide) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-28.*