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SSOP template: sanitation standard operating procedure

A sanitation standard operating procedure (SSOP) is the written method for cleaning and sanitizing one area or machine in a food plant. It says what is done in what order, with which chemical, strength and contact time, by whom and how often, and how the result is checked before start-up. In the US, meat and poultry plants inspected by USDA FSIS must keep written Sanitation SOPs under 9 CFR 416.11 to 416.17. FDA requires an SSOP of juice processors (21 CFR 120.6) and recommends one to seafood processors (21 CFR 123.11). Other FDA plants write them as the procedures behind the sanitary operations of 21 CFR 117.35, and behind the sanitation controls of 117.135(c)(3) where the food safety plan needs them. This template has three parts: one SSOP sheet per area or machine (the eleven cleaning steps, chemicals, PPE, lockout points, owner and time allowed), a 23-check pre-op inspection, and a verification log for visual, ATP, allergen and micro checks with the correction for every fail. The worked example is a beverage filler that passes its visual check and fails one ATP swab. A master sanitation schedule says when each task is done; the SSOP says how. It is a working aid, not legal advice, and it does not replace your validated chemical instructions or your food safety plan.

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Page 1 of the SSOP templateSSOP number, area and equipment, frequency, owner and sign-off fields, a lockout and PPE box, a chemicals table and the eleven cleaning steps from secure to release with space for how each is done on this machine.
One SSOP sheet per machineEleven-step cleaning sequenceChemical, strength, contact timePPE and lockout pointsOwner, frequency, sign-off23 pre-op checksVerification log (visual, ATP, micro)Correction and recheckWorked example (beverage filler)
Filled-in SSOP template: sanitation standard operating procedure: a beverage filler that fails one ATP swab
The same sheet filled in with the worked example (page 4 of the PDF, illustrative numbers). Open full size (opens the picture in a new tab)

When to use it

When to use an SSOP template

  • When you write or rewrite the cleaning method for a machine or area, so every crew on every shift cleans it the same way.
  • When a USDA-inspected meat or poultry plant needs written Sanitation SOPs under 9 CFR 416, or an FDA plant needs written sanitation procedures behind its food safety plan.
  • Every production day, for the pre-op inspection that releases a line after cleaning.
  • After a failed swab, a positive environmental result or an allergen incident, to find the step that did not work and change it.
  • Not as the plan of what is cleaned when: that is the master sanitation schedule, which points to an SSOP number for each task.

How to fill it in

  1. 1

    Write one SSOP per area or machine

    A filler, a slicer, a mixer room. One sheet the crew can follow at the machine beats one plant-wide procedure nobody can. Give each an SSOP number and say whether it is a pre-op or an operational procedure.

  2. 2

    Fill in the sequence with your own details

    The sheet lists the eleven steps from secure to release. For each, write what is done on this machine: the parts to take off, the points that need a brush. Take the chemical, its strength, water temperature and contact time from the product label, and the PPE from its safety data sheet.

  3. 3

    Put lockout in the procedure

    Name every energy point to lock out, and say that each person working on the machine applies their own lock. OSHA's lockout rule (29 CFR 1910.147) counts cleaning as servicing.

  4. 4

    Name who and how often, then sign it

    A role, not a department, the frequency and the time allowed. In an FSIS plant the person in overall charge signs and dates the SSOP when it is first used and after every change (9 CFR 416.12). Doing the same in an FDA plant costs nothing.

  5. 5

    Inspect before every start-up

    Someone other than the person who cleaned works through the 23 pre-op checks with a torch, then takes the swabs the plan calls for. Nothing runs until every failed point is recleaned and passes.

  6. 6

    Act on every fail, then fix the procedure

    Write the correction, what happened to any product, and the recheck result. If the same point fails twice, the method is wrong: change the SSOP, sign the new revision and train the crew on it.

The cleaning sequence

Eleven steps from secure to release

Every SSOP sheet follows the same order. What changes from machine to machine is how each step is done: the parts to take off, the points to brush, the chemical and its strength.

  1. 1 to 3Secure, dry clean, pre-rinseLock out, take product and packaging away, remove loose soil before any water, then rinse top down.
  2. 4 to 7Take apart, wash, scrub, rinseParts to the soak tank, detergent at the label strength and contact time, brush what foam does not reach, rinse.
  3. 8 to 10Inspect, put back, sanitizeTorch on every listed point, reclean what fails, reassemble, sanitize and check the strength with a test strip.
  4. 11ReleaseLocks off by the people who put them on, then the pre-op check and swabs by someone who did not clean.

The rules, in plain words

What US rules ask of sanitation SOPs

Named and paraphrased from the eCFR (current as of 29 October 2026), never quoted. Check the rule that applies to your plant, and your state or country rules outside the US.

  • 9 CFR 416.11 to 416.17 (USDA FSIS)

    Who it applies to
    Meat and poultry plants under federal inspection
    What it asks for
    Written SSOPs for the daily procedures before and during operations. Pre-op procedures marked as such, covering at least food-contact surfaces. Frequency and the person responsible named. Signed and dated by the person in overall charge at first use and after any change. Monitored daily, kept effective, corrective action that covers the product. Daily records initialled and dated, kept at least 6 months.
  • 21 CFR 120.6 (FDA)

    Who it applies to
    Juice processors
    What it asks for
    An SSOP covering the eight key sanitation conditions before, during and after processing, monitored often enough, with records of the monitoring and corrections.
  • 21 CFR 123.11 (FDA)

    Who it applies to
    Fish and fishery product processors
    What it asks for
    A written SSOP is recommended. Monitoring of the same eight conditions and records of monitoring and corrections are required.
  • 21 CFR 117.35 (FDA)

    Who it applies to
    Food plants under the FDA food CGMP rule
    What it asks for
    Plant kept clean and in repair. Food-contact surfaces cleaned and sanitized as often as needed to prevent contamination and allergen cross-contact. Cleaning chemicals safe for the use and stored apart from food.
  • 21 CFR 117.135(c)(3), 117.145, 117.150(c)

    Who it applies to
    Facilities whose food safety plan needs sanitation controls
    What it asks for
    Written sanitation controls for food-contact surfaces and for preventing cross-contact and cross-contamination, written monitoring at a set frequency, and timely corrections recorded. These controls do not need validation (117.160(c)).

Food plant sanitation checklist

The 23 pre-op checks on the SSOP template

Five groups, from before cleaning starts to the release of the line. On the sheet each check is Pass, Fail or N/A, done by someone other than the person who cleaned; every fail gets a correction and a recheck before start-up.

Before cleaning starts

Done by the sanitation crew, checked at pre-op

  1. 1Product, ingredients and packaging are removed from the area or covered, so nothing is sprayed or splashed onto them.
  2. 2The equipment is locked out at every energy point named on the SSOP, and each person working on it has applied their own lock.
  3. 3Every chemical is in a labelled container, is the one the SSOP names for this job, and was diluted or dosed as the SSOP says.
  4. 4The crew wears the PPE the SSOP and the chemical's safety data sheet call for: eye protection, gloves, apron and boots as listed.
  5. 5Floor drains in the area are uncovered and running, so wash water does not pool under the equipment.

Food-contact surfaces

Look with a torch, at the hard-to-reach points first

  1. 6No visible soil, product residue, film, scale or rust on any food-contact surface.
  2. 7Gaskets, seals, O-rings and valve seats are clean, in place and not cracked or torn.
  3. 8The hard-to-reach points the SSOP lists (nozzles, under guards, inside chutes, hinge points) are clean.
  4. 9Belts, star wheels, guides and change parts are clean on both sides, including the underside of belts.
  5. 10Utensils, scrapers and hand tools are clean, sanitized and stored off the floor in their marked place.
  6. 11The sanitizer was applied to food-contact surfaces at the concentration the SSOP gives, checked with a test strip or kit and recorded.

Equipment and area

Non-food-contact surfaces, overhead and floor

  1. 12Frames, legs, guards, motor housings and control panels are clean, with no build-up that could drop onto product.
  2. 13No loose parts, tools, rags, tape, brushes, nuts or bolts are left on or in the equipment.
  3. 14Overhead structures over exposed product show no condensation, dripping, peeling paint or flaking.
  4. 15Floors and drains around the equipment are clean, with no standing water or debris.
  5. 16Hand-wash sinks and sanitizer stations in the area are stocked and working.
  6. 17No sign of pest activity in the area: droppings, insects, gnawing or nesting.

Changeover and allergens

Only where the last run had an allergen or the next run is allergen-free

  1. 18Where an allergen ran last, no visible residue on any surface in the product path, checked at the points the SSOP lists.
  2. 19Where the site uses an allergen swab or kit, it was taken at the listed points and the result is recorded.

Verification and release

By someone other than the person who cleaned

  1. 20Every swab the plan calls for today (ATP or other) is within the site's limit at the first check.
  2. 21Every guard and cover is back in place, and each lock was removed by the person who applied it.
  3. 22Any failed item was recleaned, rechecked and passed before the line was released, and the correction is written down.
  4. 23The pre-op record is initialled and dated by the person responsible, with the release time.

A filled-in example

Illustrative, not a benchmark

An example (illustrative): a made-up beverage plant bottling flavored water in PET, with no allergens on the line. SSOP-L2-04 covers the line 2 rotary filler and capper, cleaned every night by the night sanitation crew.

The five ATP swabs at pre-op, against the site limit

  1. Fill valve 12, nozzle tip412fail, retest 38
  2. Fill valve 27, nozzle tip64pass
  3. Infeed star wheel, pocket55pass
  4. Infeed guide rail72pass
  5. Capper chuck 3118pass

Bar chart of the example swabs on the line 2 filler and capper against a site limit of 150 RLU: fill valve 12 nozzle 412 (fail, retest 38), fill valve 27 nozzle 64, infeed star wheel 55, infeed guide rail 72, capper chuck 3 118. 4 of 5 passed the first time, 80.0 percent.

Illustrative. 4 of 5 swabs passed the first time (80.0%). The nozzle that looked clean read 412 RLU, was recleaned and read 38 on the retest.
  • The SSOP: lock out the main disconnect and the air supply (2 points), dry clean the deck, pre-rinse, take the star wheels, guides and capper chucks to the soak tank, foam with a chlorinated alkaline cleaner, scrub, rinse, inspect, put back, then sanitize with a no-rinse peracetic acid sanitizer (test strip reading 150 ppm). Time allowed: 150 minutes.
  • Pre-op at 05:00 by the QA technician: 23 checks, 20 pass, 2 N/A (no allergen ran) and 1 fail. Every surface passed the visual check.
  • The fail was an ATP swab: the nozzle tip of fill valve 12 read 412 RLU against the site's limit of 150, an example limit the plant set from its own data. The other four swabs read 64, 55, 72 and 118.
  • Correction: the nozzle was taken off, soaked, brushed, rinsed and sanitized, and swabbed again at 05:40: 38 RLU. The line was released at 05:45, 15 minutes after the planned 05:30 start. No product had run, so none was held.
  • Cause and change: the SSOP said to wipe the nozzles in place, and sugar film builds up inside the tip. Revision 3 takes all 40 nozzle tips off every night and allows 165 minutes instead of 150, signed and dated by the plant manager.

4 of 5 swabs passed the first time (80.0%), 20 of the 21 graded pre-op checks passed (95.2%), and 35 minutes went by between the failed swab and the release. The lesson is the visual pass with an ATP fail: a surface can look clean and not be, so put the swab sites where film hides.

Common mistakes

  • One SSOP for the whole plant

    "Clean and sanitize all equipment daily" cannot be followed at a filler at 2 am. Write one sheet per machine or area, with its own parts, points and times.

  • Strengths and times from memory

    Detergent strength, water temperature, contact time and sanitizer concentration come from the product label, and PPE from the safety data sheet. Write them on the SSOP, and check the sanitizer with a test strip every time.

  • The cleaner checks their own work

    A pre-op by the person who just cleaned finds little. Someone else looks, with a torch, at the points the SSOP lists.

  • Treating a visual pass as clean

    Film inside a nozzle or under a gasket is invisible. Swab the points where residue hides, on a plan, and act on the reading against your own limit.

  • Rechecking instead of changing the method

    If the same point fails twice, another reclean is not a corrective action. Change the step, the tool or the time allowed, sign the new revision and retrain the crew.

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FAQ

SSOP template: sanitation standard operating procedure: common questions

  1. A sanitation standard operating procedure: the written method for cleaning and sanitizing one area or machine, with the steps, chemicals, strengths, contact times, who does it, how often and how it is checked. It is how a plant shows that cleaning is done the same way every time, and the record that it was done and verified.

  2. The eight conditions FDA's juice and seafood HACCP rules (21 CFR 120.6 and 123.11) ask processors to monitor: safe water and ice; clean food-contact surfaces, including gloves and outer garments; no cross-contamination from dirty objects or raw product; working hand-wash, hand-sanitizing and toilet facilities; food and packaging protected from lubricants, chemicals, condensate and other contaminants; toxic compounds labelled, stored and used properly; sick employees kept from contaminating food; and pests kept out.

  3. The master sanitation schedule lists every cleaning task in the plant with its frequency, owner and next due date: it says when. The SSOP is the method for one task or machine: it says how. Each line of the schedule points to an SSOP number, and the pre-op check and swabs show the SSOP worked.

  4. In the US, meat and poultry plants under USDA FSIS inspection (9 CFR 416) and FDA-regulated juice processors (21 CFR 120.6). FDA recommends them for seafood processors (21 CFR 123.11). Other FDA plants must keep the plant and food-contact surfaces clean (21 CFR 117.35), and where the food safety plan needs sanitation controls they must be written, with written monitoring. Customers and certification schemes such as SQF and BRCGS expect written cleaning procedures too.

  5. ATP testing swabs a cleaned surface for adenosine triphosphate, found in food residue and cells, and reads it on a meter in relative light units (RLU) within seconds. There is no universal pass mark: meters differ, and the limit is a site value set from your own readings and the meter maker's guidance. ATP shows residue, not pathogens, so plants still run microbiological swabs on a plan.

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