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How to link records for a cold-chain audit
30 April 2022
How to link records for a cold-chain audit

Link temperature, device, deviation, cleaning and training records through one shipment. Confirm the audit scope against applicable requirements.

Regulations and standards
How to write a cold chain procedure
26 April 2022
How to write a cold chain procedure

A procedure template that defines normal shipment steps and excursions with fields for roles, evidence, hold status and final disposition.

Measurement and traceability
Where does cold-chain transfer risk build up?
22 April 2022
Where does cold-chain transfer risk build up?

Link depot exit, dock, vehicle and handover in one shipment record. Make waiting and monitoring gaps visible.

Transport and routing
At what temperature does the cold chain break? Thresholds by product group
18 April 2022
At what temperature does the cold chain break? Thresholds by product group

There is no single breaking temperature: minced meat travels at 2 °C, poultry at 4 °C, frozen food at -18 °C, and the time spent above the limit counts as well.

Food quality and shelf life
How to tell whether a vaccine has frozen
15 April 2022
How to tell whether a vaccine has frozen

A thawed vial looks the same from the outside. The freeze indicator, the vial monitor and the shake test measure different things, and it helps to know what each one says.

Pharmaceutical cold chain
At what temperature are cold chain medicines stored?
5 April 2022
At what temperature are cold chain medicines stored?

Cold chain medicines are stored between +2 and +8 °C. Frozen and ultra-cold medicines have bands of their own; the storage statement of the product says which applies.

Pharmaceutical cold chain
Cold room humidity control: do you need a humidifier?
4 April 2022
Cold room humidity control: do you need a humidifier?

Before adding a humidifier, check the product specification, measure across the room, and inspect cold surfaces for possible condensation.

Food quality and shelf life
Lot tracking and recalls: trace product from receipt to delivery
12 March 2022
Lot tracking and recalls: trace product from receipt to delivery

Link receipt, split and delivery records to locate a lot's destinations. Use a trace exercise to reveal missing fields.

Measurement and traceability
How many hours does an ice pack take to melt?
3 March 2022
How many hours does an ice pack take to melt?

An ice pack melts until the heat entering the container has used up its latent heat. The time is the ratio of the two; in your own container the logger chart shows when the plateau ends.

Eutectics and insulation
Digital product passports and packaging: which data to prepare
25 February 2022
Digital product passports and packaging: which data to prepare

Do not assume every transport pack needs a passport. Verify product group, EU application date and buyer request, and keep material and repair data traceable.

Regulations and standards
At what temperature does blast freezing run?
10 February 2022
At what temperature does blast freezing run?

Blast cabinet air typically runs between -26 and -40 °C, but the process is not finished until the product centre is at -18 °C or colder. The end is decided by a probe in the product, not by the cabinet panel.

Food quality and shelf life
Trace a warm-product complaint with a timeline
9 February 2022
Trace a warm-product complaint with a timeline

Do not assign a complaint to one person or item of equipment. Put lot, method, time and handover records on a single timeline.

Measurement and traceability
Writing a specimen collection and transport protocol
4 February 2022
Writing a specimen collection and transport protocol

The protocol sets out, for each test group, the tube, fill volume, holding condition and the latest arrival time at the lab. Most rejections start at collection rather than in transport.

Regulations and standards
Cleaning protocol for a blood transport carrier
1 February 2022
Cleaning protocol for a blood transport carrier

Routine wiping and decontamination after a spill are two separate procedures, each with its own solution strength, contact time and record. The dilution figures come from CDC and the DAS guide; the arithmetic is worked from the percentage on the bleach label.

Regulations and standards
What a cold chain audit form asks
30 January 2022
What a cold chain audit form asks

An audit form that follows one consignment from goods-in to delivery asks at every stop for a record ID, observed evidence, an owner and a closure method.

Regulations and standards
How to keep a vaccine temperature log
28 January 2022
How to keep a vaccine temperature log

Two values matter in a vaccine fridge log: the highest and lowest temperature seen since the last reading. A spot reading does not show an overnight excursion.

Measurement and traceability