Back to blog ·

Tuono Almond Quality: Incoming Lot Acceptance Inspection Checklist (Sizes, Defects, Technical Specifications, and B2B Product Specification Sheet)

Tuono Almond lot acceptance checklist for B2B specs: documents, sampling, sizes, defects, technical specifications and AQL criteria.

big bag mandorle
big bag mandorle

The quality of Tuono almonds—sizes, defects, technical specs, and B2B product specification is decided almost entirely at goods-in: when documents, sampling, and criteria are clear, you avoid disputes about “a non-representative sample” and production stoppages. Here you’ll find a practical checklist built around typical industrial buyer issues: roasting uniformity, processing yield (pieces, flour, paste), rancidity risk, and contaminant management.

Which parameters should you check immediately when a Tuono almond lot arrives (documents, sampling, traceability)?

Gate checks are used to decide right away whether the lot can enter the warehouse or must be quarantined. The rule is simple: if you can’t prove traceability and transport conditions, that lot is a risk.

Document checklist for “lot release/hold”

  • Delivery note (DDT) and match to the order: product (Tuono almond), form (shelled/blanched/roasted), weight, number of packages.
  • Lot/batch identification: must be present and consistent on documents and labels.
  • Declared origin (Italy/Sicily or abroad) and harvest year if required by your specification. (For context: Sicily is a key Italian producing area and is often specified in Italian procurement specs.)
  • Intended use: food ingredient or “to be sorted/other physical treatment”. This distinction is crucial also for contaminant limits such as aflatoxins (see the specifications section).
  • Allergen and GMO statements, if relevant to your quality system and the end customer.
  • Transport conditions: declared temperature if required, pack integrity, no wetting (damp bags or “baptism” from rain/condensation).
  • Internal labeling: link each package to a unique lot and an internal ID (supplier code + arrival date + sample ID). This is the basis for managing claims and recalls.

Traceability and recallability (audit-ready)

  • Keep a “1 step back/1 step forward” map: where the lot comes from and which productions/shipments it is allocated to.
  • Up-to-date supplier master data and, where applicable, evidence of an HACCP system and GFSI-recognized certifications.
  • Goods-in inspection log: who checked, when, with which tools, outcome, actions taken.
  • Put it in writing in the specification: non-traceable lots = not acceptable and must be placed in quarantine until clarified.

Repeatable sampling for bulk product or bags

  • Define the packaging unit (typically 10–25 kg bags or big bags, where used).
  • Set the number of increments and sampling points: top/middle/bottom of the pallet and across multiple packages, not just “the front bag”.
  • Combine increments into a composite sample and then reduce (with a repeatable method) to the test sample.
  • Link the procedure to an acceptance sampling plan such as AQL/ISO 2859-1 to reduce disputes about non-representative samples. Reference: ISO 2859-1 (acceptance sampling) on iso.org: https://www.iso.org/standard/85464.html

Quick gate checks

  • Visual inspection: cleanliness, abnormal color, presence of dust and shell fragments.
  • Odor: rancid notes or off-odors (damp, mold, “warehouse”).
  • Pests: live insects, gnawing, webs, droppings.
  • Packaging: wet, torn bags or signs of condensation. Overly moist almonds increase the risk of mold and rancidity, so dry, intact packaging is a practical acceptance criterion. Logistics note: general guidance on moisture sensitivity and storage risks is also reported in transport/storage guides such as TIS: https://www.tis-gdv.de/tis_e/ware/nuesse/mandeln/mandeln-htm/

Inbound analytical plan by risk class

  • Increase the level of control when something “structural” changes: new supplier, origin change, abnormal season/climate, nonconformity history.
  • Define when a third-party COA is required and when the producer’s COA can be sufficient, with agreed minimum frequencies.

Lot status management

  • Put the lot in quarantine until key checks are completed: sizes/defects, moisture, and critical contaminants (first and foremost mycotoxins, where applicable).
  • Define internal SLAs: response times to the supplier and provisional storage conditions (temperature, relative humidity, odor protection) so results are not altered.

How to measure and declare Tuono almond sizes in a repeatable way (method, tools, tolerances)?

Size is not a minor commercial detail. For a B2B buyer it is a process variable: it affects roasting, color uniformity, slicing yield, and dosing on automated lines. If you don’t define “size” unambiguously, you create room for disputes.

Definition of “size” in the B2B specification State which metric you use, and use only one as the contractual reference:

  • Count: number of kernels per ounce or per 100 g (a method widely used in international trade).
  • Dimensional classes: sieving with ranges in mm.
  • Percentage in range: % of the lot that falls within a defined size interval.

Standard operating method (SOP)

  • Take a representative subsample (typically hundreds of grams up to about 1 kg, depending on your plan).
  • If required by your procedure, remove only “gross” defects that would distort the measurement (e.g., obvious foreign bodies), but do not “clean up” the sample subjectively.
  • Measure using calibrated sieves or the count/weight method.
  • Always record: tare, scale used, ambient temperature (useful for repeatability), operator, number of replicates (at least 2–3 for internal checks).

Recommended tools

  • Sieves/screens for tree nuts (with known, verifiable dimensions).
  • Scale with suitable sensitivity (0.1 g for operational checks; 0.01 g if you want higher lab precision).
  • Digital caliper for internal audits on length/width/thickness on a defined number of pieces (e.g., a sample of dozens of kernels), useful to verify consistency between suppliers.
  • State calibration in the specification: frequency and availability of the certificate.

Clear commercial declaration (example spec line)

  • “Shelled Tuono almond. Size: minimum % within range A–B mm; maximum out-of-size tolerance (below/above): ≤ N% w/w.”
  • Or: “Size expressed as count: YY–ZZ kernels/oz; out of range ≤ N% w/w.”
  • If you accept mixed sizes (typical for paste/cream), state it explicitly and shift the focus to defects and oxidation.

Tolerances and variability management

  • Include tolerances for undersize/oversize and for breakage generated by handling.
  • Link tolerances to accept/reject criteria and, if you use it, to a price adjustment mechanism when the lot is “acceptable but out of spec”.

B2B examples (selection logic)

  • Snacks and roasting: tighter size range needed for uniformity.
  • Processing (flour/paste): you can accept more variability in size, but you generally want to be stricter on rancidity, mold, and contaminants.

In the body of the specification, repeat the logic: quality of Tuono almonds—sizes, defects, technical specs, and B2B product specification means repeatable measurements, not vague descriptions.

Which defects should be included in the B2B specification and how should they be classified (visual, breakage, rancidity, foreign bodies)?

Defects must be described in words everyone interprets the same way. Recognized standards help here because they provide definitions and categories that are also useful as benchmarks. A practical reference is the USDA standard for shelled almonds: https://www.ams.usda.gov/grades-standards/shelled-almonds-grades-and-standards

Defect taxonomy (macro-categories)

  1. Kernel defects: mold, rot/decay, insect damage.
  2. Physical defects: split, broken, chipped/scratched, shriveled.
  3. Color/spot defects: stains, brown spot, discoloration.
  4. Sensory defects: rancid odor/flavor.
  5. Contaminants: foreign material, dust/particles, glass/metal.

Align specification terms with standard definitions (where possible) and add photographic examples (see attachments).

Severity classification (critical/major/minor)

  • Critical: glass/metal, live infestation, strong rancid odor.
  • Major: visible mold, slight rancidity, excessive breakage, serious damage.
  • Minor: scratches, slight color variation, small aesthetic defects.

For each class define: threshold, action (rejection, segregation, rework) and responsibility.

Breakage and fractions

  • Define operationally: “split”, “broken”, “pieces”.
  • Set different maximum % depending on intended use (snack vs industrial).
  • Use USDA standards as a numerical and terminology benchmark to avoid ambiguity, then adapt thresholds to your quality positioning.

Rancid/oxidized

  • Include a sensory criterion (internal panel: odor and taste) with test method and acceptance threshold.
  • Add an agreed chemical criterion (oxidation index) if you want to make disputes more objective. In the specification it is

Foreign bodies

  • Distinguish generic foreign material from glass/metal, which in practice must be managed with zero tolerance.
  • Require supplier controls (magnets, metal detector where applicable) and verify at intake (sieve + inspection). USDA standards help here too because they address “foreign material” with very strict criteria and separate the most serious cases.

Photographic examples and attribution criteria

  • Attaching a defect “atlas” with real photos (also specific to Tuono) reduces subjectivity: what is surface mold vs physiological spotting, what is an insect hole vs mechanical damage.
  • It is one of the most effective ways to reduce disputes on “borderline” lots.

Which minimum technical specifications should you include to avoid disputes (moisture, impurities, oxidation, mycotoxins)?

Technical specifications must cover what truly hurts a processor: instability (moisture and oxidation) and contaminants (mycotoxins, foreign bodies). If they’re missing, nonconformities turn into negotiations.

Moisture

  • Include a maximum limit and the test method (loss on drying with defined conditions, or NIR with calibration).
  • As a logistics best practice, for shelled almonds many buyers work with limits that keep moisture low to reduce mold and rancidity risk; many specifications reference values below 7%, but the point
  • Also specify transport/storage conditions: high relative humidity promotes mold issues. Logistics reference: https://www.tis-gdv.de/tis_e/ware/nuesse/mandeln/mandeln-htm/

Impurities / foreign matter

  • Define a maximum w/w limit for impurities (shell, small stones, dust).
  • Set “zero tolerance” for glass and metal.
  • Require sieving and aspiration, and in-line controls (magnets, metal detector where applicable).

Oxidation and B2B shelf-life

  • Define a minimum remaining shelf-life window at delivery, consistent with packaging (vacuum or modified atmosphere, where used).
  • Indicate an agreed oxidation parameter and method. If you don’t want to set numbers, at least define: “method, frequency, acceptance criterion”.
  • For Tuono almonds, often used in confectionery and snacks, oxidative stability is a sensitive point: a lot that is “already tired” creates returns and downgrades on the finished product.

Mycotoxins (aflatoxins) with EU regulatory references

  • Explicitly include the applicable limits for almonds, distinguishing between:
    • product intended for consumption/ingredient,
    • product to be sorted or otherwise physically treated.
  • Require a COA with method and LOQ.
  • Regulatory reference: Regulation (EU) 2023/915 (maximum levels for certain contaminants in food): https://eur-lex.europa.eu/eli/reg/2023/915/oj/ita
    (For context: this is the EU framework used in Italy and across the EU for contaminant limits.)

Enhanced import controls (if applicable)

Pesticide residues

  • Even if often handled as an attachment, in the specification it is worth stating: compliance with EU MRLs and a risk-based analytical plan (origins/periods/history).

Microbiology (if RTE destination)

  • If almonds are intended for snack/roasted or other “ready-to-eat” uses, include microbiological requirements as a customer specification (e.g., Salmonella/Enterobacteriaceae), with agreed methods and criteria.

This is the section that most often “closes” discussions: when quality of Tuono almonds—sizes, defects, technical specs, and B2B product specification is well written, the decision does not depend on the opinion of whoever is looking at the lot.

How to set acceptance/rejection criteria and manage nonconformities (AQL, thresholds, corrective actions)?

Criteria must state what happens when something is out of spec. If you don’t write it, you decide under pressure, with the line waiting.

AQL and sampling plans

  • State the standard: ISO 2859-1 (current edition) and set inspection levels (normal, reduced, tightened).
  • Define switching rules based on supplier performance (NC history, trends).
  • Note: iso.org shows a 2026 edition replacing the 1999 one. Reference: https://www.iso.org/standard/85464.html

Defect limits by severity class

  • Convert classes into operational thresholds: critical = 0; major and minor with percentage limits.
  • If you want a numerical benchmark, USDA standards for shelled almonds are useful as a base to set tolerances for breakage and “seriously damaged” defects, then adapt them to your positioning: https://www.ams.usda.gov/grades-standards/shelled-almonds-grades-and-standards
  • Link each threshold to a decision: accept, accept with deviation (and conditions), segregation for rework, reject.

Nonconformity workflow

  • Immediate quarantine.
  • Supplier notification within a defined window (e.g., 24–48 hours, if that is your practice).
  • Sealed and traceable counter-sample.
  • Confirmatory analysis (accredited lab, if required).
  • Final decision and rules on who bears analysis/transport costs based on the outcome.

Managing “sample vs lot” disputes

  • Define sample retention (days), sealing method, “party sample” and “counterparty sample”.
  • Also define how to handle differences between labs: method, tolerance between results, repeat testing.

Corrective and preventive actions (CAPA)

  • Require root cause and a corrective plan with deadlines.
  • Track supplier KPIs: NC rate, moisture trend, oxidation trend, recurrence of defects (breakage, mold, impurities).

Commercial and service clauses

  • Provide chargebacks for extra sorting and downgrade criteria (e.g., from snack size to industrial use) with a discount grid.
  • Include rules for line-stoppage penalties only if you can document causality and timing.

Which attachments make the B2B specification “audit-ready” (technical data sheet, COA, defect photos, control plan)?

Attachments are what makes the specification defensible in audits and in disputes. Without them, it remains a wish list.

Technical Data Sheet (TDS) and product specification

  • Full product identity: Tuono cultivar, form (shelled/blanched/roasted), typical appearance.
  • Declared sizes and measurement method.
  • Defects and tolerances.
  • Packaging (vacuum/MAP where applicable), storage conditions, and commercial shelf-life.
  • Version/revision, date, and approvals.

Lot COA (Certificate of Analysis)

  • Moisture.
  • Aflatoxins (B1 and Total) with EU limits applicable to intended use.
  • Any oxidation and impurity parameters.
  • Method/instrument, LOQ, laboratory (in-house or third party).
  • In the COA template include the reference to Regulation (EU) 2023/915: https://eur-lex.europa.eu/eli/reg/2023/915/oj/ita
    (For context: this is the EU regulation applied in Italy and across the EU.)

Defect photo atlas + scoring criteria

  • PDF with “acceptable/not acceptable” photos for mold, rot, stains, shriveling, breakage, foreign bodies.
  • Add scoring examples linked to your thresholds (e.g., “within limit” vs “NC”), so inspectors don’t have to interpret.

Control plan (incoming + supplier monitoring)

  • Risk matrix (origin, season, NC history) and analytical frequencies.
  • Actions in case of exceedance.
  • Checks on transport and packaging integrity.

Sampling and acceptance procedure

Pack of compliance

  • Signed declarations: food safety, contaminants, allergens, MRL compliance, any aspects on food-contact materials for packaging.
  • Evidence of instrument calibrations and lab qualifications.
  • Change notification clause: supplier obligation to communicate changes in origin or process.
Sources