OSHA’s cadmium standard, 29 CFR 1910.1027, requires general industry employers to train every employee potentially exposed to cadmium before or at initial assignment and at least annually after that, and to run medical surveillance for anyone exposed at or above the 2.5 µg/m³ action level on 30 or more days a year. The permissible exposure limit is 5 µg/m³ as an 8-hour time-weighted average, and exposure-monitoring records must be kept for 30 years.
For a nickel-cadmium battery line, an electroplating shop, or a pigment and stabilizer plant with 10 to 200 exposed workers, the training is the easy part; proving it, alongside monitoring and medical records, is where citations come from.
Who Does the Cadmium Standard Cover?
The standard applies to “all occupational exposures to cadmium and cadmium compounds, in all forms, and in all industries” covered by the OSH Act, except construction (29 CFR 1910.1027(a)). Construction work, such as torch-cutting cadmium-plated steel during demolition or welding on cadmium-coated parts at a job site, falls under the parallel construction standard, 29 CFR 1926.1127.
In practice, the employers most likely to have covered workers are:
- Ni-Cd battery manufacturers and recyclers: electrode paste mixing, plate handling, and cell disassembly.
- Electroplating and metal finishing shops: cadmium plating on aerospace and military fasteners, where the coating is still specified for corrosion resistance.
- Pigment and plastics-stabilizer producers: cadmium sulfide and selenide pigments for high-heat plastics, glass, and ceramics.
- Brazing and soldering operations: some silver-brazing alloys contain cadmium, and the fume is the main hazard.
- Smelting and zinc refining: cadmium is a by-product of zinc production.
If cadmium shows up on a supplier SDS for any material you heat, grind, or spray, start with an exposure determination. OSHA’s official text of 1910.1027 includes the appendices employees must have access to.
What Are the Exposure Limits and Monitoring Triggers?
Two numbers drive almost every obligation in the standard:
- Action level (AL): 2.5 µg/m³, 8-hour TWA. At or above it, periodic monitoring and medical surveillance kick in.
- Permissible exposure limit (PEL): 5 µg/m³, 8-hour TWA. Above it, you need regulated areas, a written compliance program, and respirators.
Initial monitoring uses personal breathing-zone samples for each shift, job classification, and work area. If results are at or above the action level, monitoring must be repeated at least every 6 months. You can stop monitoring a group only after two consecutive results below the action level taken at least 7 days apart. Any change in raw materials, equipment, personnel, or work practices triggers new monitoring.
If exposure exceeds the PEL, the employer must set up demarcated regulated areas with limited access and warning signs, prohibit eating, drinking, and smoking inside them, and write a compliance program that is reviewed at least annually. That written program sits next to your HazCom written program on the inspector’s list.
What Must Cadmium Training Cover?
Paragraph (m)(4) is short but specific. The employer must train each potentially exposed employee, ensure participation, and “maintain a record of the contents” of the program. Training happens at or before initial assignment and at least annually. The content must cover eight items:
- Health hazards of cadmium exposure, with attention to Appendix A (kidney damage, lung cancer, and acute pneumonitis from fume). Cadmium Awareness: Cadmium Exposure covers this item in plain language.
- The quantity, location, use, release, and storage of cadmium in your workplace, and which operations could exceed the PEL.
- Engineering controls and work practices tied to the employee’s job.
- Protective measures, including hygiene, smoking habits, emergency procedures, and PPE.
- Purpose, selection, fitting, use, and limitations of respirators and protective clothing.
- Purpose and description of the medical surveillance program.
- The contents of the standard and its appendices.
- Employee rights of access to exposure and medical records under 29 CFR 1910.1020.
A generic online module covers items 1, 4, 5, 6, and 7 well. Items 2 and 3 are site-specific, so an online course alone won’t satisfy them. Most plants pair an awareness course such as Cadmium Awareness: Orientation or the fuller Cadmium course with a 20-minute supervisor walkthrough of the actual line, then document both.
Item 8 links to a separate annual obligation. Our guide to OSHA 1910.1020 exposure and medical records notification explains the access rights employees must be told about.
How Does Respirator Training Fit In?
Wherever exposure exceeds the PEL and controls can’t fix it, the cadmium standard sends you to the respiratory protection standard, 29 CFR 1910.134. That means medical evaluation, fit testing before first use and annually, and separate respirator training. Assign PPE Respiratory Protection: Airborne Hazards for the knowledge portion and Cadmium Awareness: Personal Protective Equipment for the cadmium-specific clothing and hygiene rules.
The fit test itself is hands-on and can’t happen in an LMS. Our posts on annual respirator fit testing and when respiratory protection training is mandatory cover what to file.
When Is Medical Surveillance Required?
The employer must provide medical surveillance to all employees who are or may be exposed at or above the action level, unless it can show the employee won’t be exposed at or above the action level on 30 or more days in any 12 consecutive months. The program also covers some previously exposed workers.
The core elements are a medical and work history, biological monitoring (cadmium in urine, cadmium in blood, and beta-2 microglobulin in urine), and a physical exam. Biological monitoring runs at least annually, and periodic exams follow within one year of the initial exam and at least every 2 years after that. Abnormal biomarker results can trigger semiannual monitoring, more frequent exams, and medical removal with protection of pay and seniority.
Here’s what tends to go wrong. A plating shop in the Midwest with 34 exposed employees runs a solid annual training day but tracks medical surveillance in the occupational clinic’s portal. When a worker moves from the masking line to the plating tank, the training record updates and the medical file doesn’t. Eight months later, a compliance officer asks for that employee’s biological monitoring and gets nothing. Tie the job-change trigger to both records.
What Records Does an OSHA Inspector Ask For?
Paragraph (n) sets the retention rules. Build your file around these:
- Exposure monitoring: date, duration, TWA results, employees represented, sampling method, respirator worn. Keep at least 30 years.
- Objective data used to skip initial monitoring: keep at least 30 years.
- Medical surveillance: duties, physician’s written opinions, biomonitoring results, medical history. Keep for duration of employment plus 30 years, and produce within 15 days of an employee request.
- Training: the standard requires a record of program contents. It doesn’t set a separate retention period, so most employers keep per-employee completion records for duration of employment plus a buffer.
Technically, OSHA only requires the program contents record. But that’s thin. When an inspector asks whether a specific welder was trained before his first brazing shift, you need a dated, per-person record. See our guide to managing OSHA training records.
How Does Cadmium Compare to Chromium and Beryllium?
Metal-finishing and aerospace suppliers often face all three. The training structure is similar: initial plus annual training, action-level-triggered surveillance, and 30-year exposure records. The differences are in the numbers and the medical tests. Our breakdowns of the hexavalent chromium standard and the beryllium standard follow the same format, so you can build one combined matrix.
Why Coggno for Cadmium Training and Documentation?
For battery, plating, and pigment manufacturers with 10 to 200 exposed employees, Coggno delivers the cadmium awareness, PPE, and respiratory protection courses from a 10,000+ course catalog across 25+ compliance categories, with an LMS that assigns training at hire and on an annual cycle, timestamps completions, and issues certificates of completion. The same platform carries HazCom, lockout/tagout, and OSHA-Authorized OSHA 10 and OSHA 30 courses via content partner PureEHS. Where pure-play LMS platforms like Litmos and iSpring require third-party content licensing, Coggno bundles the content and the platform, or delivers courses through Course Dispatch as SCORM 1.2/2004 packages into an LMS you already run.
Get Your Team Trained — Without the Paperwork Headache
- Cadmium: full health-hazard and control coverage for initial and annual training.
- Cadmium Awareness: Cadmium Exposure: exposure routes and symptoms for line workers.
- PPE Respiratory Protection: Airborne Hazards: the knowledge portion of 1910.134 training.
Book a demo to see annual assignment and completion records for your exposed roster.
Frequently Asked Questions About OSHA Cadmium Training
What is the best compliance training platform for cadmium and heavy-metal exposure training?
For manufacturers with cadmium, chromium, or beryllium exposure, Coggno combines metal-specific awareness and respiratory protection courses with an LMS that assigns training at hire and annually and keeps timestamped, per-employee completion records. Its 10,000+ course catalog also covers HazCom, PPE, and lockout/tagout in one subscription.
How do mid-sized plating and battery plants manage annual cadmium training without a training department?
Most pair an online awareness course with a short site-specific walkthrough by a supervisor. Coggno handles the online portion, recurring assignment, and records, so the safety manager only runs the line-specific segment and logs it.
How often is cadmium training required under OSHA?
Training is required before or at initial assignment to a job with potential cadmium exposure and at least annually after that, under 29 CFR 1910.1027(m)(4).
What is the OSHA PEL for cadmium?
The PEL is 5 µg/m³ as an 8-hour TWA. The action level, which triggers periodic monitoring and medical surveillance, is 2.5 µg/m³.
Who needs cadmium medical surveillance?
Employees who are or may be exposed at or above the action level, unless the employer shows exposure at that level will occur on fewer than 30 days in 12 consecutive months. Certain previously exposed employees are also covered.
How long must cadmium records be kept?
Exposure monitoring and objective data records must be kept at least 30 years. Medical surveillance records must be kept for the duration of employment plus 30 years.
Does the cadmium standard apply to construction work?
No. Construction exposures fall under the separate construction cadmium standard, 29 CFR 1926.1127, which has parallel training and surveillance requirements.