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The blast-freezer option freezes the fish at -31°F or below until it is solid and stores it at -31°F or below for a minimum of 15 hours. A second option stores it at -4°F or below for 24 hours after the same blast freeze, and storage at 0°F or 10°F does not meet either schedule.

Aquacultured fish such as salmon raised in net-pens or land-based tanks and fed formulated feed containing no live parasites are exempt from the freezing requirement, as are several named tuna species, molluscan shellfish, and scallop adductor muscle. Wild-caught fish, and anything bought from an unapproved source, are not.

For raw animal food that will be cooked, thawed portions may not be above 41°F for more than 4 hours, counting both the time under running water and the time needed to prepare the food for cooking. The water must also flow fast enough to agitate the food and float loose particles off in an overflow.

TCS food prepared from ingredients at ambient temperature, such as reconstituted foods and canned tuna, must be cooled to 41°F or less within 4 hours. The two-stage 135°F to 70°F to 41°F schedule applies to food that was cooked, and this salad was never hot.

The listed methods are shallow pans, smaller or thinner portions, rapid cooling equipment, stirring in an ice water bath, containers that transfer heat well, adding ice as an ingredient, and other effective methods. Simply setting a full deep pan in a walk-in is the practice that most often fails the six-hour limit.

Food being cooled is loosely covered, or left uncovered when it is protected from overhead contamination, so heat can escape from the surface. A tight cover holds steam over the food and is a common reason a batch misses the two-hour and six-hour cooling marks.

Reheating for hot holding must be done rapidly, and the time the food spends between 41°F and the required reheating temperature may not exceed 2 hours. The pot roast must reach 165°F for 15 seconds by noon, and a slow steam table cannot do that work.

Food reheated in a microwave for hot holding must reach at least 165°F in all parts, be rotated or stirred, be covered, and stand covered for 2 minutes after reheating. The standing time lets the uneven hot and cold spots a microwave creates equalize before the food goes on the line.

Raw fruits and vegetables must be thoroughly washed in water to remove soil and other contaminants before they are cut, combined with other ingredients, cooked, or served. Washing after cutting is too late, because the knife has already carried rind organisms into the flesh, and detergents are not approved for washing produce.

Juice packaged in a food establishment must be treated under a HACCP plan to attain a 5-log reduction, which is a 99.999% reduction, of the most resistant organism of public health significance. Untreated packaged juice may be sold only with the federal warning label, and an operation serving a highly susceptible population may not sell it at all.

Types of raw animal food are separated from each other by using separate equipment, arranging them so cross contamination cannot occur, or preparing each type at a different time or in a separate area. With one table, sequencing the work and cleaning and sanitizing between types is the practical way to comply.

The reminder asterisks the animal-derived foods to a footnote stating that written information is available on request, that consuming raw or undercooked meats, poultry, seafood, shellfish, or eggs may increase the risk of foodborne illness, or that same statement with a note about certain medical conditions. A liability disclaimer is not one of the permitted statements.

The advisory has two parts: a disclosure that describes the animal-derived foods, such as raw oysters or hamburgers cooked to order, or asterisks them to a footnote, and a reminder about the increased risk. Supplier names, inspection scores, and certification numbers are unrelated to the advisory.

The 145°F for 15 seconds allowance covers raw eggs broken and prepared in response to a consumer's order and served immediately. Eggs pooled for a buffet fall in the 155°F for 17 seconds group, because one contaminated egg can seed the whole batch and the food will sit on a line.

Food thawed in a microwave must be transferred immediately to conventional cooking equipment with no interruption, because the microwave already begins warming the outside of the item. Refrigerated thawing and running-water thawing stand on their own without a required cooking step immediately after.

Plant foods cooked for hot holding are cooked to 135°F, which is also the minimum hot-holding temperature. Vegetables carry no raw-animal pathogens, so their cooking requirement exists to make sure they enter the holding line at a safe temperature rather than climbing to it slowly.

Ready-to-eat TCS food that was commercially processed and packaged in a plant inspected by the regulatory authority is heated to at least 135°F when reheated for hot holding. The 165°F requirement applies to food that the operation cooked, cooled, and is reheating itself, where handling in the kitchen could have reintroduced pathogens.

Hot TCS food must be held at 135°F or higher. Holding above this temperature keeps the food out of the danger zone, where pathogens that survived cooking or were reintroduced could multiply.

With checks every 4 hours, food found out of temperature could have been in the danger zone for up to 4 hours, so it must be discarded. Reheating to 165°F is not permitted here, and hot-holding equipment such as a steam table may never be used to reheat food; re-chilling to 41°F does not undo growth that already happened. Only a shorter checking interval, such as every 2 hours, leaves time for corrective action like reheating.

Food found below 135°F at a 2-hour check has been in the danger zone for at most 2 hours, which is within the safe window for corrective action. The food can be reheated to 165°F and returned to holding rather than thrown away, reducing both risk and waste. The Food Code does not forbid a 4-hour interval and sets no 2-hour calibration rule; the 2-hour schedule is a management choice, and closing checks are still required.

Cold TCS food must be held at 41°F or lower. This keeps the food below the temperature danger zone, slowing the growth of pathogens and the formation of toxins.

Corrective action for cold food above 41°F depends on knowing how long it was out of temperature. Because that time is unknown here, the food could have been in the danger zone for hours and must be thrown out. Listeria in fact grows at refrigeration temperatures, and re-chilling or icing the pan does not reverse growth that has already occurred. The manager should also get the unit checked and log the incident.

With 4-hour checks, the soup may have sat in the danger zone for nearly 4 hours, long enough for some bacteria to produce heat-stable toxins that reheating cannot destroy — so a 165°F reheat does not make it safe, whether or not it is served quickly. Tomato soup is a TCS food and needs temperature control. That is why the 4-hour schedule requires discarding food found out of temperature.

Because the potatoes were checked on a 2-hour schedule, they have been below 135°F for no more than 2 hours, which is within the window for corrective action, so discarding them is not required. Reheating to 165°F destroys pathogens that may have grown, and the potatoes can then go back on the line. Turning up a steam table does not reheat food, and cold service does not fix hot food that has already drifted.

Lids retain heat, stirring redistributes it so no portion cools below 135°F, and a calibrated probe measures the actual internal food temperature. Equipment dials show water or air temperature, not the food itself, so they can never replace direct temperature checks. Shutting wells off between rushes lets food fall into the danger zone, and stacked pans leave the upper pan heated only by contact, not by the well.

Under the basic time-as-a-public-health-control option, food removed from temperature control must be sold, served, or discarded within 4 hours. The food must be marked with the discard time, and anything left at 3:00 p.m. must be thrown out. The 6-hour window is not available here: it applies only to cold food that leaves control at 41°F or below and stays under 70°F, and these hot dogs were hot and unmonitored. Closing time is never the deadline, and nothing requires discarding at 2 hours.

The extended 6-hour window applies only to cold food that leaves temperature control at 41°F or below and never rises above 70°F. If the food ever exceeds 70°F, or when the 6 hours expire, it must be discarded — the clock cannot be restarted by returning the food to refrigeration. Starting at 70°F is too warm to begin with, and the option has nothing to do with frozen product.

Food held under time as a public health control must be marked so staff can tell exactly when its window expires. The marking shows when the food left temperature control and the discard deadline, which is 4 hours later, or up to 6 hours for qualifying cold food. Lot numbers, preparer names, and temperature readings may all be useful records elsewhere, but none of them tells a server when this pan has to come off the line.

Under time as a public health control, the discard time is absolute. Once 4 hours pass, the food must be thrown out regardless of how it looks or feels, and it may not be rescued by reheating or refrigeration because time, not temperature, was the only control. There is no grace period for selling the last few slices, and the 4-hour clock cannot be restarted.

The 6-hour option has two simultaneous limits: the clock and the 70°F ceiling. At 73°F the milk has broken the temperature ceiling, so it must be discarded immediately even though the 6-hour window has not expired. Neither re-chilling the carton nor steaming the milk restarts or repairs the control that was lost.

The Food Code requires written procedures before time as a public health control is used. The procedures describe how food will be marked, monitored, and discarded, and they must be kept in the operation and shown to the regulatory authority on request. No FDA variance is needed for this method, the CDC does not approve HACCP plans, and an unwritten practice does not satisfy the requirement.

Time as a public health control only works when the discard time is marked from the moment food leaves temperature control. An unmarked pan cannot be verified, and a cook's estimate is not documentation, so a mark written after the fact, a 165°F reheat, or selling the oldest pan first all leave the same unknown. The safe and compliant action is to throw the food out and retrain the team.

Food on display for self-service must be protected from contamination, and a sneeze guard or similar barrier intercepts droplets and casual contact from guests leaning over the food. It does not control temperature, so cold wells and monitoring are still required, and it is not optional decoration that staff presence can replace.

Used plates carry saliva and food residue that can contaminate serving utensils and displayed food, and neither careful utensil handling nor a wipe with a cloth removes that risk — a plate that looks clean has still been eaten from. Self-service operations must require a clean plate for each return trip; beverage cups may generally be refilled if refilling avoids contact between the dispenser and the cup rim.

Self-service displays must be labeled so consumers know what they are taking, which also supports allergen awareness. Containers should be washed before refilling; topping off buries older product at the bottom indefinitely. Dry granola and dried fruit are not TCS foods and need no cold holding, and placement near an exit is a theft question, not a food safety control.

Dispensing utensils at self-service stations must be stored so their handles stay above the food and out of guests' way of contamination. A long-handled ladle keeps hands away from the soup; standing water at room temperature breeds bacteria and is not an approved storage method, a guest-dipped disposable spoon contaminates the kettle, and letting guests tip the kettle leaves no dispensing utensil at all.

The person in charge must ensure self-service areas are monitored, because barriers alone cannot prevent every contamination event. When a guest eats from the line or misuses utensils, staff must intervene, replace the affected food and utensils, and coach the guest. Gloves for guests and age bans are not Food Code controls, and a sneeze guard does not replace monitoring.

Off-site service depends on maintaining holding temperatures during transport, which requires insulated food-grade carriers for hot and cold items. Sharing one carrier lets the hot food warm the cold food, open windows do nothing for internal food temperature, and plastic film prevents spills but not temperature drift. Temperatures should be checked at loading and again on arrival so any food that fell out of range can be handled before service.

When food will be stored or reheated by someone outside the operation's control, labeling with handling instructions helps the customer keep it safe, including how to reheat it and when to eat or discard it. This extends the operation's food safety management beyond its own walls. Coupons, employee rosters, and ingredient costs are business records; none of them tells the customer how to handle the food safely.

Off-site service still requires the basics of a safe operation: potable water, handwashing capability, waste disposal, and temperature control. Without safe water the crew cannot wash hands or clean utensils, so the manager must arrange potable water or change the plan before serving food. A short haul in insulated carriers, guarded chafing dishes with proper utensils, and picnic tables with linens are all workable arrangements that do not stop the event.

Hot TCS food must stay at 135°F or above through transport and service. Probing on arrival verifies the transport equipment worked; a reading below 135°F would require corrective action based on how long the food was out of temperature.

Cold food found above 41°F for a short, documented time can be cooled back down as a corrective action; the risk grows with time in the danger zone, which here was limited and known. If the time were unknown or extended, discarding would be required. Reheating a cold-served item does not reset that clock, shellfish is no more tolerant of the danger zone than other TCS food, and a brief documented excursion does not by itself force a discard.

Without a proper warewashing setup, used tableware cannot be washed, rinsed, and sanitized on site. The caterer must either transport enough clean dishes and utensils for every course or switch to single-use service items. An unheated hose is not an approved warewashing sink, reusing a guest's plate across courses spreads contamination, and sanitizer wipes do not remove the soil that sanitizing requires be removed first.

Food that leaves the kitchen generally may not be re-served once it reaches a guest, but there is a narrow exception for prepackaged items such as wrapped crackers and condiment packets that remain unopened and in good condition. The exposed chili must be discarded. Wiping the wrappers is not what makes the packets acceptable, sealed packets are not automatically waste, and a sealed package may go back into service rather than out the door.

Once unpackaged food such as bread has been at a guest's table, the operation cannot verify it was not touched, coughed on, or otherwise contaminated. It must be discarded; appearance is not evidence of safety. There is no time window that makes returned bread servable, reheating it does not undo contamination, and the server's view of the table is not verification. Only unopened prepackaged items qualify for re-service.

Open bowls at guest tables are exposed to double-dipped chips, saliva, and hands, and none of that can be undone by straining, chilling, or freezing. A sieve removes particles but not pathogens, staying below 41°F limits growth but does not remove contamination, and freezing holds pathogens rather than killing them. Returned open food must be thrown out, and pouring it into the master batch would contaminate the entire container.

Re-service is limited to prepackaged items that are still sealed and in sound condition, such as an unopened single-serving bottle. An unwrapped straw, an open ramekin of dressing, and tortillas from a covered basket were all exposed at the table once they left their packaging, so an intact cover or an apparently unused portion does not qualify any of them; all three must be discarded.

Ice used for cold holding must surround the product, not just touch the container bottom, and the setup must drain so food does not sit in stagnant meltwater. The measure of success is the food temperature staying at 41°F or below, which staff should verify with a thermometer — so a once-a-shift top-off with no probing, a melted-out bed leaving shells at 47°F in standing water, and ice under the pan instead of around the product all fail.

Any food displayed for customer self-service must be protected by packaging, a counter guard, or another effective barrier, with proper utensils provided. Labeling helps guests with allergens but is not a barrier, moving air does not stop a cough or a reaching hand, and the cook's presence at the station does not shield the open tray from guest coughs, sneezes, and hands.

Rice held out of temperature control must either be managed under documented time as a public health control with markings, or be rendered non-TCS through an approved acidification process, which typically requires a variance and monitoring records. Holding it with no documentation fails both paths. There is no service-period exemption, no temperature reading removes the paperwork requirement, and tradition is not a Food Code exemption.