Short answer: “PFAS-free packaging” is not one globally standardized claim. Depending on the market and evidence, it may mean no PFAS were intentionally added, that selected PFAS were not detected above stated reporting limits, or that the finished package meets a legal concentration threshold. Those statements are not equivalent. A credible PFAS claim should identify the finished item, the applicable jurisdiction, the analytical method, the PFAS scope, the reporting limits and the exact basis for the claim.
For food packaging, this distinction became more important in 2026. The EU Packaging and Packaging Waste Regulation (PPWR) now applies three PFAS concentration limits to food-contact packaging, while the U.S. federal approach has focused on ending authorized PFAS grease-proofing uses in paper and paperboard. California uses yet another legal structure for plant-based food packaging: intentionally added PFAS are restricted, and a total-organic-fluorine threshold is also part of the definition of regulated PFAS.
These rules illustrate the core problem with an undefined “PFAS-free” label: one phrase can hide several different questions about formulation, contamination, analytical coverage and legal compliance.
What does PFAS-free packaging actually mean?
PFAS—per- and polyfluoroalkyl substances—are a broad family of fluorinated substances. In food packaging, fluorinated chemistries have historically been used in some grease- and water-resistant treatments for paper, paperboard and molded-fiber products.
“PFAS-free” can be a useful procurement term, but only when the basis is stated. It should not be treated as a literal claim that no PFAS molecule exists anywhere in the product at any concentration unless an applicable definition and analytical basis can support that statement.
| Claim | What it can mean | What it does not prove by itself |
|---|---|---|
| No intentionally added PFAS | The formulation and manufacturing specification do not intentionally use PFAS for a functional or technical purpose. | That no trace PFAS is present from raw materials, recycled content, contamination or process background. |
| PFAS not detected | The PFAS included in the stated analytical method were below that method’s reporting or detection limits in the tested specimen. | That every possible PFAS was absent, or that another test method would produce the same result. |
| Below a legal PFAS threshold | The tested finished item meets the cited jurisdiction’s threshold under the relevant analytical scope. | Compliance in another market with a different definition, threshold or test basis. |
| PFOA-free / PFOS-free | The evidence addresses PFOA and/or PFOS. | That the package is free of all PFAS classes. |
| Low total fluorine / organic fluorine | A broad fluorine screening parameter is below a stated value using a stated method. | That every measured fluorine atom is PFAS, or that all individual PFAS are below a separate targeted limit. |
Editorial synthesis; qualitative comparisons are evidence questions, not measured product rankings. [R1] [R6] [R8] [R9]
The strongest approach is to avoid using “PFAS-free” as a standalone conclusion. Instead, connect it to a defined control statement and evidence package, such as no intentionally added PFAS plus finished-item testing against the limits or screening criteria relevant to the destination market.
Why PFAS were used in food packaging
Grease resistance is a difficult packaging function. Paper and molded fiber are naturally porous and can lose performance when exposed to oil, sauces and moisture. Fluorinated grease-proofing chemistry was used because it can lower surface energy and improve resistance to oil and water without requiring a visibly thick polymer film.
The U.S. Food and Drug Administration states that PFAS-containing grease-proofing agents were historically applied to products including fast-food wrappers, microwave-popcorn bags, take-out paperboard containers and pet-food bags. [R1]
The performance function matters because removing PFAS does not remove the buyer’s need for oil resistance. A PFAS-free redesign still has to control leakage, staining, wet strength and food-contact suitability using a different barrier system. The replacement chemistry therefore needs its own performance and safety evidence rather than being treated as automatically preferable simply because fluorinated treatment was removed.
The EU now has three PFAS limits for food-contact packaging
Regulation (EU) 2025/40, the PPWR, applies specific PFAS restrictions to food-contact packaging from 12 August 2026. Article 5(5) states that food-contact packaging must not be placed on the market if it contains PFAS at or above any of the applicable limits, unless another Union legal act already prohibits that concentration. [R2]
| PPWR test basis | Limit | Polymeric PFAS treatment | Important qualification |
|---|---|---|---|
| Any individual PFAS measured by targeted analysis | 25 ppb | Excluded from quantification | Applies to each PFAS within the targeted analytical scope. |
| Sum of PFAS measured by targeted analysis, where applicable with prior degradation of precursors | 250 ppb | Excluded from quantification | This is a sum of the targeted PFAS analysis, not a generic total-fluorine result. |
| PFAS including polymeric PFAS | 50 ppm | Included | If total fluorine exceeds 50 mg/kg, Article 5(5)(c) requires evidence, upon request, of how much measured fluorine is PFAS or non-PFAS for the technical documentation. |
Editorial synthesis; qualitative comparisons are evidence questions, not measured product rankings. [R2]
This third row is frequently oversimplified. The regulation does not say that every total-fluorine result above 50 mg/kg automatically proves the package contains 50 ppm PFAS. The text says that the 50 ppm limit concerns PFAS, including polymeric PFAS; if total fluorine exceeds 50 mg/kg, the relevant operator must be able to provide evidence distinguishing fluorine measured as PFAS from non-PFAS fluorine for the technical documentation. [R2]
The June 2026 Commission notice repeats the Article 5(5) limits and describes enforcement context. The relevant full adopted legislative text was cross-checked in the Council record; the June notice was available only as official indexed extracts. Current method selection still needs competent, matrix-specific laboratory and legal assessment. [R2] [R3]
The U.S. federal position is different from the EU threshold model
At U.S. federal level, the recent food-packaging change has centered on PFAS grease-proofing substances used on paper and paperboard.
FDA announced in February 2024 that manufacturers were no longer selling PFAS grease-proofing substances for U.S. food-contact use. Its update dated 3 January 2025 announced that 35 related notifications would cease to be effective on 6 January 2025 because the uses had been abandoned, with a 30 June 2025 compliance date for specified existing stocks. [R1] [R4]
That does not mean every PFAS use in every U.S. food-contact application is federally prohibited. FDA’s current food-contact information still describes other limited authorized PFAS uses, including certain non-stick coatings, sealing-gasket applications and manufacturing aids, while identifying grease-proofing agents on food-contact paper and paperboard as the use that was phased out. [R5]
For a buyer, “FDA compliant” is therefore too broad to substitute for a PFAS specification. The documentation should identify the finished material, food-contact use and the actual PFAS claim being made.
Use the paper-cup construction guide to identify barrier layers separately from their chemical documentation.
California shows why “PFAS-free” must be jurisdiction-specific
California’s AB 1200 provides a useful contrast with both the EU and federal U.S. approaches.
The California Attorney General’s enforcement advisory explains that the state restriction applies to food packaging made substantially from paper, paperboard or other plant-derived fibers. Under Health and Safety Code section 109000, “regulated PFAS” includes either PFAS intentionally added for a functional or technical effect or PFAS present at or above 100 ppm measured as total organic fluorine. The restriction has applied since 1 January 2023. [R6]
That is not the same framework as the EU’s 25 ppb / 250 ppb / 50 ppm structure. It also demonstrates why a supplier cannot use one generic global “PFAS-free” certificate without checking which definition, material scope and analytical rule applies in each market.
Targeted PFAS analysis and fluorine screening answer different questions
PFAS testing is not one test.
Analytical methods can be broadly divided into compound-specific approaches and aggregate fluorine approaches. They provide different information and should not be treated as interchangeable.
Targeted analysis
Targeted methods quantify a defined list of PFAS for which the laboratory has analytical standards and validated procedures. Liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) is widely used for many ionic PFAS, while other PFAS classes can require different analytical approaches.
A targeted panel covers only the substances included in that method. The packaging-specific analytical review in the ISE paper explains why targeted PFAS and aggregate fluorine approaches provide different information. [R8]
A “non-detect” result from targeted analysis should therefore be read as:
None of the PFAS included in this analytical panel were detected above the stated method limits in this specimen.
It should not be silently rewritten as “the product contains zero PFAS.”
Total fluorine and total organic fluorine
Fluorine-based sum parameters can screen more broadly for fluorinated chemistry. Packaging studies have used combustion-based methods, ion-selective electrodes, PIGE and other techniques to measure total fluorine or organic-fluorine fractions. [R8]
These methods are useful because a targeted PFAS panel can miss unidentified PFAS, precursor substances, polymers or compounds for which no target standard is included. But broad fluorine measurements introduce a different limitation: fluorine is not automatically PFAS.
Total fluorine can include inorganic fluorine and non-PFAS fluorinated substances. Total organic fluorine narrows the measurement toward organically bound fluorine, but it still does not identify which PFAS are present. The method, sample preparation and matrix therefore have to match the regulatory or procurement question.
Why a combined testing strategy can be necessary
The EU PPWR itself demonstrates the need for more than one analytical concept. Article 5(5)(a) and (b) refer to targeted PFAS analysis, while paragraph (c) includes polymeric PFAS and addresses the case where total fluorine exceeds 50 mg/kg. [R2]
A laboratory plan for EU food-contact packaging may therefore need to address both compound-specific and broader fluorine evidence, depending on the construction and the compliance strategy. The exact test method should be agreed with a competent laboratory against the current legal requirement; an environmental-water PFAS method should not automatically be repurposed for solid food packaging without matrix-specific validation.
“Non-detect” is not the same as zero
Every analytical method has limits. Two of the most important are the limit of detection (LOD) and the limit of quantification or reporting level used by the laboratory.
If a report says “ND,” the useful follow-up questions are:
- Which PFAS were included in the panel?
- What were the LOD and reporting limit for each relevant analyte?
- What sample matrix and extraction method were used?
- Were polymeric PFAS within the analytical scope?
- Were precursor compounds addressed?
- Were results reported per kilogram of finished package, per area, per component or another basis?
A supplier report that shows “ND” without the analyte list, units and reporting limits is much less informative than a report that makes those boundaries explicit.
No intentionally added PFAS is a formulation claim, not an analytical result
“No intentionally added PFAS” is often a useful manufacturing-control statement. It addresses whether PFAS were deliberately introduced into the formulation to perform a function such as grease or water resistance.
But an intentional-use statement and a laboratory result answer different questions.
| Evidence type | What it supports | Main limitation |
|---|---|---|
| Supplier declaration / formulation control | No PFAS are intentionally added under the declared formulation and process. | Does not by itself measure background contamination, recycled-feedstock carryover or undeclared upstream inputs. |
| Targeted PFAS test | Named PFAS are quantified or reported below stated limits. | Does not cover compounds outside the target list. |
| Total/organic fluorine screen | Broad fluorine content under the stated method. | Does not by itself identify PFAS species or prove that all measured fluorine is PFAS. |
| Destination-market compliance assessment | Connects construction, legal definition and test evidence to a specific jurisdiction. | Cannot automatically be reused for another market with different thresholds or definitions. |
Editorial synthesis; qualitative comparisons are evidence questions, not measured product rankings. [R6] [R8] [R9]
For higher-risk applications, the most defensible procurement package can combine formulation control with finished-item analytical evidence rather than treating either one as universally sufficient.
PFOA-free and PFOS-free are not PFAS-free
PFOA and PFOS are two well-known PFAS, but the PFAS family is much broader.
A test report or declaration limited to PFOA and PFOS may be relevant to those substances, but it cannot support a class-wide PFAS-free claim unless the applicable legal definition specifically limits the claim to those compounds—which broad PFAS rules generally do not.
This is a common documentation problem in foodservice packaging: an older “PFOA/PFOS-free” report is presented as though it answers a newer all-PFAS procurement requirement. The buyer should compare the analyte scope with the current rule before accepting the document.
PFAS-free does not prove compostability, recyclability or food-contact compliance
Removing PFAS addresses one chemical attribute. It does not establish every other packaging claim.
Separate this from compostability evidence and bagasse finished-construction requirements.
A molded-fiber container can be made without intentionally added PFAS and still require separate evidence for:
- food-contact compliance;
- oil and water resistance under actual use conditions;
- industrial or home compostability;
- recyclability or repulpability;
- heavy metals or other restricted substances;
- microwave, freezer or heat performance;
- migration from other coatings, additives or inks.
Likewise, a compostability certificate does not automatically prove a PFAS result. A recyclability assessment does not automatically prove food-contact safety. Evidence should stay attached to the claim it was designed to support.
What should a PFAS test report contain?
A useful test report should make it possible to connect the result to the exact finished package and the exact claim.
| Field | What to verify | Why it matters |
|---|---|---|
| Sample identity | SKU, material, colour, coating, thickness, print status and production/batch reference where available. | Prevents a report for one construction being applied to another. |
| Test objective | Targeted PFAS, precursor analysis, total fluorine, total organic fluorine or another defined parameter. | Different methods answer different questions. |
| Analyte list | Every PFAS included in the targeted panel. | Shows what “non-detect” actually covers. |
| Method and matrix | Named method or validated laboratory procedure and whether it is appropriate for the packaging matrix. | Water, food, soil and solid-packaging methods are not automatically interchangeable. |
| LOD / LOQ / reporting limits | Detection and reporting capability for the relevant analytes or fluorine parameter. | “ND” is meaningful only relative to a stated analytical limit. |
| Units and basis | ppb, µg/kg, mg/kg, ppm, area-based value or other basis. | Prevents comparing values that use different denominators. |
| Result and uncertainty | Measured value, non-detect statement, qualifiers and uncertainty where reported. | Allows comparison with the exact threshold operator. |
| Date and laboratory identity | Test date, report date, laboratory and relevant accreditation/scope where required by the buyer or scheme. | Supports traceability and freshness review. |
Editorial synthesis; qualitative comparisons are evidence questions, not measured product rankings. [R8] [R9]
Why finished-item testing matters
PFAS can enter a packaging system through more than the obvious grease-resistant coating. Relevant sources can include raw materials, recycled fibre, additives, processing aids, inks, adhesives or cross-contamination.
A report on a raw-material sample does not establish the composition of a subsequently coated, printed or assembled package. Trace the sampled material and production history before extending a result to another construction.
Do not infer that recycled fibre is contaminated, or that virgin fibre is PFAS-free, merely from its feedstock category. The evidence has to cover the actual supply and claim.
How FDA is monitoring PFAS grease-proofing uses
FDA has developed a screening method to detect fluorotelomeric grease-proofing substances in paper and paperboard packaging and has used targeted screening in surveillance work. [R1]
In a fiscal-year 2024 survey of animal-food packaging, FDA collected 57 paper-based packaging samples and used an isotope-dilution DART high-resolution mass-spectrometry screening method focused on hydrolysable 6:2 fluorotelomer alcohol. [R9]
This is a useful example of method scope: FDA selected an analytical approach for a defined regulatory-monitoring question. It should not be presented as a universal “PFAS-free packaging test” for every jurisdiction or product.
Seven common PFAS-free packaging mistakes
- “PFAS-free means zero PFAS.” The claim must be tied to a formulation definition, analytical scope and reporting limits.
- “PFOA-free and PFOS-free means PFAS-free.” Two compounds do not represent the entire class.
- “Non-detect proves absence.” It proves only that the tested analytes were below the method’s stated limits in the tested specimen.
- “Total fluorine equals PFAS.” Fluorine measurements can include non-PFAS sources; the method and legal framework determine the interpretation.
- “A raw-material test covers the finished package.” Converting, coatings, inks, recycled inputs and accessories can change the final evidence scope.
- “Compostable means PFAS-free.” Compostability and PFAS are separate claims requiring separate evidence.
- “One PFAS certificate works globally.” EU, U.S. federal and state rules can use different product scopes, definitions and thresholds.
What should buyers request from a supplier?
A practical procurement file should connect the claim to the actual SKU rather than collecting unrelated certificates.
- Define the claim. Decide whether the requirement is no intentionally added PFAS, compliance with a named law, a targeted-analyte limit, an aggregate-fluorine limit or a combination.
- Identify the complete construction. Include substrate, coating/barrier, inks, adhesives, lids and other relevant components.
- Request the formulation declaration. Confirm whether PFAS are intentionally used and which supply-chain controls support that declaration.
- Request finished-item test evidence where needed. Check method, analytes, reporting limits, units and tested SKU.
- Match the report to the destination market. Do not use an older PFOA/PFOS test to answer a broader current all-PFAS restriction.
- Verify performance separately. PFAS-free grease barriers still need real oil, water, heat and food-contact performance for the intended food application.
- Set a refresh trigger. Recheck when the formulation, supplier, coating, factory, destination law or analytical requirement changes.
A better way to write a PFAS-free specification
An undefined procurement line such as:
“Product must be PFAS-free.”
is difficult to audit.
A stronger specification identifies the evidence basis. For example:
“No PFAS intentionally added to the finished packaging construction, supported by supplier formulation declarations and finished-item analytical evidence appropriate to the applicable destination-market PFAS requirements. Test reports must identify sample construction, analytes or fluorine parameter, method, reporting limits, units and report date.”
That wording is still a procurement framework, not a substitute for jurisdiction-specific legal review. Its advantage is that each part can be checked.
Methodology and editorial note
This article is an editorial synthesis of current EU and U.S. official sources plus peer-reviewed analytical literature. It does not present an original PFAS test or a universal laboratory method. Legal thresholds are quoted only within their jurisdiction and current status at the source cutoff. Analytical methods are described according to their actual scope; results from water or environmental methods are not presented as automatically valid for solid food packaging.
Sources checked 17 October 2026. The main image is an AI-generated editorial illustration; the explanatory figure is an original editorial diagram. Neither is a photograph of an identified product or facility, a laboratory result or an independent environmental assessment.
Legal discussion is limited to the identified provisions and dated source explanations. No product-specific compliance determination, comprehensive audit of subsequent measures or universal laboratory procedure is provided.
Official sources and reference notes
- [R1] U.S. FDA. Market Phase-Out of Grease-Proofing Substances Containing PFAS. Live public source, checked 17 October 2026. Historical grease-proofing uses; February 2024 market phase-out; January 2025 FCN status; FDA screening-method development. Relevant public text checked; see the stated scope. Accessed 17 October 2026.
- [R2] European Union / EUR-Lex. Regulation (EU) 2025/40 on packaging and packaging waste. 19 December 2024; OJ 22 January 2025. Article 5(5)(a)–(c). Relevant adopted Council text checked; original OJ rendition was not directly retrievable. Accessed 17 October 2026.
- [R3] European Commission. Commission Notice — Guidance document for Regulation (EU) 2025/40 on packaging and packaging waste. 10 June 2026. Current Commission interpretation of Article 5 PFAS rule and competent market-surveillance context. Official indexed extracts only; dated interpretation, not a complete current-law audit. Accessed 17 October 2026.
- [R4] U.S. FDA. FDA Determines Authorization for 35 Food Contact Notifications Related to PFAS Are No Longer Effective. 3 January 2025. 35 FCNs no longer effective from 6 January 2025; June 30, 2025 compliance date for specified stocks. Relevant public text checked; see the stated scope. Accessed 17 October 2026.
- [R5] U.S. FDA. Authorized Uses of PFAS in Food Contact Applications. Live public source, checked 17 October 2026. FDA’s current description of limited PFAS food-contact application categories and distinction between phased-out paper grease-proofing uses and other uses. Relevant public text checked; see the stated scope. Accessed 17 October 2026.
- [R6] California Attorney General. Assembly Bill 1200 — Hazardous Chemicals in Food Packaging and Cookware, Enforcement Advisory. 17 October 2023. pp. 1–2, food-packaging restriction and regulated-PFAS definition. Relevant public text checked; see the stated scope. Accessed 17 October 2026.
- [R8] Ignacio, Ma Cristine Concepcion D., et al. Ion Selective Electrode (ISE) Method for Determination of Total Fluorine and Total Organic Fluorine in Packaging Substrates. Methods and Protocols 6(1), 2023, 10; DOI 10.3390/mps6010010. Abstract, introduction and Table 1: TF/TOF techniques, inorganic fluorine and compound-specific limitations. Relevant public text checked; see the stated scope. Accessed 17 October 2026.
- [R9] U.S. FDA. Report of FY 2024 Survey of Animal Food Packaging for PFAS. Live public source, checked 17 October 2026. 57-sample survey and scoped DART-HRMS screening for hydrolysable 6:2 FTOH. Relevant public text checked; see the stated scope. Accessed 17 October 2026.
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