8.3 Labeling and Storage of Materials and Chemicals, SDS, and Prohibited Substances
Key Takeaways
- "Labeling and storage of materials and chemicals" and "Safety Data Sheets (SDS) and prohibited materials and substances" are separate named sub-topics in the PSI outline.
- Under OSHA's Hazard Communication Standard every hazardous product must arrive with a manufacturer label carrying the product identifier, signal word, pictograms, hazard and precautionary statements, and supplier information.
- A Safety Data Sheet has 16 standardized sections; Section 2 gives hazards, Section 4 first aid, Section 7 handling and storage, and Section 8 exposure controls and PPE.
- SDS documents must be readily accessible to every employee during their work shift, and the salon keeps a current sheet for every hazardous product on the premises.
- PSI requires products that would appear on a business SDS to be used from the original manufacturer-labeled container, with labeling in large, legible print clearly visible to the evaluator.
Labeling and Storage of Materials and Chemicals, SDS, and Prohibited Substances
Two sub-topics of Workplace Safety Precautions deal with chemical paperwork and containment: "Labeling and storage of materials and chemicals" and "Safety Data Sheets (SDS) and prohibited materials and substances." They are the least glamorous items on the outline and among the most reliably tested, because they are objective and easy to write questions about.
1. What a Compliant Product Label Carries
Under OSHA's Hazard Communication Standard (HCS), aligned to the Globally Harmonized System (GHS), the manufacturer's label on every hazardous chemical shipped to a workplace must carry six elements:
| Element | What it is |
|---|---|
| Product identifier | The chemical or product name, matching the SDS |
| Signal word | Either DANGER (more severe) or WARNING (less severe) — only one appears |
| Pictogram(s) | Red-bordered diamonds: flame, exclamation mark, health hazard, corrosion, and others |
| Hazard statement(s) | Standardized phrases such as "Highly flammable liquid and vapour" |
| Precautionary statement(s) | Prevention, response, storage, and disposal instructions |
| Supplier information | Manufacturer or importer name, address, and telephone number |
Never remove or deface a manufacturer label. An unlabeled container is a hazard to everyone else in the salon and to any emergency responder.
Secondary containers. When you decant a product — monomer into a dappen dish, acetone into a pump bottle, disinfectant concentrate into a jar — the receiving container must be labeled with at least the product identifier and the hazard information. A row of identical unlabeled squeeze bottles is exactly how the wrong liquid ends up on a client's nail.
2. The Safety Data Sheet
Every hazardous product has an SDS, and every SDS has the same 16 sections in the same order. Memorize the four you will actually reach for.
| Section | Title | When you use it |
|---|---|---|
| 1 | Identification | Confirming you have the right sheet |
| 2 | Hazard(s) identification | Classification, signal word, pictograms, hazard statements |
| 3 | Composition / information on ingredients | Checking for a specific sensitizer such as HEMA |
| 4 | First-aid measures | The moment of an exposure — skin, eye, inhalation, ingestion |
| 5 | Fire-fighting measures | Extinguishing media; what not to use |
| 6 | Accidental release measures | Spill containment and clean-up |
| 7 | Handling and storage | Incompatibilities, temperature limits, ventilation |
| 8 | Exposure controls / personal protection | PELs and TLVs, engineering controls, correct glove and eye protection |
| 9 | Physical and chemical properties | Flash point, vapour density, appearance |
| 10 | Stability and reactivity | What it must not be mixed with |
| 11 | Toxicological information | Routes of exposure, symptoms, sensitization data |
| 12-15 | Ecological, disposal, transport, regulatory | Reference; sections 12-15 are not enforced by OSHA |
| 16 | Other information | Revision date — check that your sheet is current |
Access is the legal obligation. OSHA requires SDS documents to be readily accessible to employees during each work shift — in the work area, without asking a manager to unlock anything. A binder in a locked office fails the standard. Electronic access is acceptable if it is reliably available with no barriers.
[!IMPORTANT] A candidate who can only name one SDS section should name Section 8, Exposure Controls / Personal Protection — it holds the OSHA permissible exposure limits, the ACGIH threshold limit values, the engineering controls such as local source-capture exhaust, and the specific PPE, including which glove material is appropriate.
3. Storing Chemicals
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| CHEMICAL STORAGE PRINCIPLES |
| |
| [FLAMMABLES: acetone, monomer, alcohol, resins, adhesives] |
| • Original, tightly closed, manufacturer-labeled containers. |
| • Cool, dark, well-ventilated. Away from heat, sunlight, ignition. |
| • Below eye level - a container that fails above eye level splashes |
| into the face. |
| • Larger quantities in an approved flammable-storage cabinet. |
| • NEVER decant into a food or beverage container. |
| |
| [SEPARATE INCOMPATIBLES] |
| • Never mix bleach with ammonia, acids, or quats - chlorine and |
| chloramine gases cause severe respiratory injury. |
| • Store oxidizers away from flammables and organic material. |
| • Store acids away from bases. |
| |
| [KEEP CLOSED] |
| • Rule 240-4-.05(3): wax, creams, lotions and other client products in |
| sanitary, CLOSED containers, uncontaminated and free of debris. |
| • Product removed with a disposable or disinfectable stick, spatula, |
| or spoon. NO double dipping. |
| • An open monomer dish evaporates into the breathing zone all day. |
| |
| [SECURITY AND ACCESS] |
| • Out of reach of children and out of public areas. |
| • Never in a client waiting area or restroom. |
| • Restock so the oldest stock is used first. |
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4. Prohibited Materials and Substances
The outline pairs SDS with prohibited materials and substances, and the honest answer is that "prohibited" comes from several different authorities, which is exactly what makes it a good exam question.
- Federal (FDA). The FDA removed nail products containing 100% methyl methacrylate (MMA) from the market in the 1970s after consumer injury reports, treating them as poisonous and deleterious in that use.
- State cosmetology boards. Many states — Florida, Illinois, Indiana, Kentucky, Wisconsin among them — wrote explicit MMA prohibitions into their rules. Georgia's Chapter 240 rules do not name MMA. What Georgia does prohibit by name are the skin-removal implements in Rule 240-4-.03(8): razor-type callus shavers, credo blades, cutters, scrapers, graters, and anything that abrades or removes layers of skin.
- PSI test-day rules. On the practical test, monomer must be factory-sealed and labeled by the manufacturer as "low odor" or "odorless," product not meeting that requirement is not allowed into the testing room, and absolutely no aerosols are permitted in the testing area.
- Scope of practice. Rule 240-4-.03(1) requires a licensee to provide only those services they are qualified by education, experience, and skill to perform within recognized professional standards — which is how a Georgia board reaches conduct involving an unsuitable product even without naming the product.
Answer a "prohibited" question by identifying which authority the question is asking about. A statement that is true of the FDA is not automatically true of a Georgia rule.
5. Labeling on Practical Test Day
PSI turns all of this into observable behaviour:
- Labeling on products must be in large print, legible, and clearly visible for the evaluator to observe.
- Chemical products that would be required to be listed on an SDS in an actual business must be used from the original container with an original manufacturer's label attached, or from a container with the manufacturer's label attached.
- Products not classified as dangerous chemicals by OSHA, and therefore not required on a business SDS, may be fictitious — a self-created or actual label attached to a container, with another substance inside to simulate the product.
- Disinfectant containers must have the manufacturer's label attached and legible, and the disinfectant used must have virucidal, bactericidal, and fungicidal properties listed on the manufacturer's label.
The logic is consistent: anything genuinely hazardous is real and really labeled; anything harmless may be simulated but must still be labeled, because labeling itself is the competency being assessed.
A technician needs to know which glove material and what ventilation are appropriate for an acrylic monomer. Which SDS section holds that information?
PSI requires candidates to bring products to the practical test. Which statement matches PSI's labeling rules?
Which statement about prohibited substances is accurate for a Georgia nail technician?