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A biohazard bag and a sharps container are regulated under the same OSHA standard but as two different container categories, and mixing up which rules apply to which one is a common source of failed inspections. This guide covers what applies specifically to bags and other non-sharps regulated-waste containers: the color and labeling requirements, the federal container specification, and the physical-strength (tear- and impact-resistance) testing that several states layer on top of the OSHA baseline.
Two Container Categories Under the Same Standard
OSHA’s Bloodborne Pathogens Standard, 29 CFR 1910.1030, splits container requirements into two subparagraphs that get applied to physically different products:
- 1910.1030(d)(4)(iii)(A) — sharps containers: rigid, puncture-resistant, maintained upright, not allowed to overfill. See Sharps Disposal Regulations for Laboratories for the full treatment of that category, including the fill-line convention and the “what counts as a sharp” gray zone.
- 1910.1030(d)(4)(iii)(B) — “other regulated waste” containers: the flexible bags (and rigid bins lined with them) used for contaminated PPE, dressings, cultures, and other non-sharps regulated waste. This is the category most people mean by “biohazard bag,” and it has its own, less-discussed specification.
Both categories share the same labeling clause, 1910.1030(g)(1)(i) — covered below — but the container-construction language is otherwise separate. A lab that has its sharps-container program locked down has not automatically satisfied the bag requirement, and vice versa.
What OSHA Actually Requires of a Biohazard Bag
Under 1910.1030(d)(4)(iii)(B)(1), a container for “other regulated waste” — including a biohazard bag — must be:
- Closable — capable of being closed before transport.
- Constructed to contain all contents and prevent leakage of fluids during handling, storage, transport, or shipping.
- Labeled or color-coded in accordance with 1910.1030(g)(1)(i) (see below).
- Closed prior to removal, to prevent spillage or protrusion of contents during handling, storage, transport, or shipping.
Notice what is absent: OSHA does not specify a numeric strength standard — no minimum mil thickness, no required tear-test result — for the bag itself. “Constructed to contain all contents and prevent leakage” is a performance standard, not a materials specification. That gap is exactly where state programs add their own numeric requirements, covered further down.
1910.1030(d)(4)(iii)(B)(2) also has a secondary-containment rule: if the outside of a regulated-waste container becomes contaminated, it must be placed inside a second container that independently meets the same closable / leakproof / labeled / closed-prior-to-removal requirements. In practice, this is the basis for double-bagging a torn or visibly contaminated outer bag rather than taping over the tear.
Color and Labeling: Red Bags and the Biohazard Symbol
1910.1030(g)(1)(i) requires a warning label on regulated-waste containers. The standard’s language is specific: labels must be “fluorescent orange or orange-red or predominantly so, with lettering and symbols in a contrasting color,” and must display the universal biohazard symbol. The label must be affixed close to the container “by string, wire, adhesive, or other method that prevents their loss or unintentional removal.”
OSHA then provides the substitution most labs actually rely on: “Red bags or red containers may be substituted for labels.” That single clause is why the near-universal convention is a plain red bag with the biohazard symbol printed on it, rather than a differently colored bag carrying a separate fluorescent-orange label — both routes satisfy the same requirement, and red-bag-as-label is simply the more common of the two in practice.
One consequence worth flagging for procurement: a bag that is red but carries no biohazard symbol at all does not satisfy the labeling clause on its own — the red-bag substitution is for the label, but the biohazard symbol requirement in (g)(1)(i) still needs to be met by the color-coding, and inspectors and auditors generally expect to see the symbol printed on the bag itself, not just red color with no symbol. Verify with your bag supplier that “red” and “labeled” are both actually satisfied, not just the color.
Where OSHA Stops: Physical-Strength Specs and ASTM Testing
OSHA’s bag requirement is a performance standard with no numeric strength floor, but that does not mean numeric strength floors don’t exist — they show up at the state level, layered on top of the federal baseline as a state medical-waste requirement rather than an OSHA one. The pattern that shows up most consistently in state programs that do specify numbers is a dual ASTM test:
- ASTM D1922 — Standard Test Method for Propagation Tear Resistance of Plastic Film and Thin Sheeting by Pendulum Method (Elmendorf tear test).
- ASTM D1709 — Standard Test Methods for Impact Resistance of Plastic Film by the Free-Falling Dart Method.
California is a verified, checkable example: California Health and Safety Code § 117630 requires biohazard bags used for transport to be “marked and certified by the manufacturer as having passed the tests prescribed for tear resistance in [ASTM D1922] … and for impact resistance in [ASTM D1709],” specifying that “the film bag shall meet an impact resistance of 165 grams and a tearing resistance of 480 grams in both parallel and perpendicular planes.” A separate provision requires bags used within a facility to be manufacturer-certified to the D1709 dart-drop test before the waste is transported in a USDOT-approved outer container.
The specific numeric thresholds and which ASTM tests apply are a genuinely state-by-state question, and the exact list of states with a numeric bag-strength requirement, and what each one requires, is not something to take on faith from a single secondary source — verify directly against your own state’s medical-waste or environmental-health regulations (or your state’s environmental/health agency) before assuming California’s numbers, or any other state’s, apply to your facility. What is safe to generalize: OSHA sets the labeling/color/leakproof floor everywhere, and a meaningful number of states add their own construction or strength specification on top of it, most commonly by requiring manufacturer certification to one or both of the ASTM tests above. Ask your medical-waste bag supplier whether their product is dual-tested and manufacturer-certified — reputable suppliers document this on the product spec sheet, and it costs nothing to confirm before an inspector asks first.
Practical Compliance Checklist
- Bag (or liner) is red, or is otherwise labeled per 1910.1030(g)(1)(i) with fluorescent orange/orange-red coloring and contrasting lettering.
- Biohazard symbol is printed on the bag itself, not assumed from color alone.
- Bag is closable and is actually closed before it leaves the point of generation — not left open in a bin awaiting pickup.
- Torn, leaking, or externally contaminated bags are double-bagged, not taped, per the secondary-containment rule.
- If your state requires manufacturer certification to ASTM D1922/D1709 (or an equivalent state-specific standard), confirm your current bag supplier’s product documentation states this explicitly — don’t assume a “medical-grade” label implies certification.
- Staff know the visual distinction between a sharps container (rigid, puncture-resistant) and a biohazard bag (flexible, for non-sharps regulated waste) and route waste to the correct one — see Sharps Disposal Regulations for Laboratories for the sharps side of that boundary.
- Disposal method (autoclave, incineration, or off-site treatment) is confirmed against your state’s rule, not assumed from the federal standard — OSHA requires decontamination or incineration before disposal but does not itself prescribe which.
Frequently Asked Questions
What color does OSHA require for a biohazard bag?
OSHA does not require red specifically. 1910.1030(g)(1)(i) requires labels to be fluorescent orange or orange-red with contrasting lettering and the biohazard symbol, but separately allows red bags or red containers to substitute for that label entirely. Red is the near-universal industry convention because it is the simpler of the two compliant routes, not because the standard names red as the only option.
Do biohazard bags need the biohazard symbol printed on them, or is red enough?
The red-bag substitution is for the label as a whole, but auditors and most state programs still expect the biohazard symbol to be visible on the bag. Confirm with your supplier that the bags you’re purchasing carry the printed symbol, not just red coloring.
What’s the difference between a biohazard bag and a sharps container under OSHA?
They’re regulated under different subparagraphs of the same standard. Sharps containers (1910.1030(d)(4)(iii)(A)) must be rigid and puncture-resistant because they hold objects that can penetrate skin. Biohazard bags and other non-sharps regulated-waste containers (1910.1030(d)(4)(iii)(B)) must be closable and constructed to contain contents and prevent fluid leakage — there’s no puncture-resistance requirement because bags aren’t meant to hold sharps.
Are biohazard bags required to pass an ASTM tear-resistance test?
Not under federal OSHA rules, which set a performance standard (“contain all contents and prevent leakage”) rather than a numeric one. Several states add their own numeric strength requirement on top of that baseline, commonly built around ASTM D1922 (tear resistance) and ASTM D1709 (impact resistance) — California’s is a verified example, requiring manufacturer certification to both tests with specific gram thresholds. Check your own state’s medical-waste regulations rather than assuming any state’s specific numbers apply elsewhere.
Does OSHA require biohazard bags to be autoclaved before disposal?
OSHA’s 1910.1030(e)(2)(i) requires that regulated waste be incinerated or decontaminated (for example, by autoclaving) before disposal, but frames this as an exposure-control requirement and does not itself mandate which method a lab must use. The actual disposal method and any related tracking/manifest requirements are set by state health and environmental agencies, which vary — see Autoclave Waste: Is Regulated Medical Waste Still Regulated After Treatment? for what happens after treatment.
For the broader regulatory boundary between OSHA’s exposure-control role and state medical-waste disposal law, see RCRA Hazardous Waste Codes for how chemically hazardous waste is classified federally, and the Laboratory Compliance & Quality hub for the full range of biosafety and waste-handling topics.








