The ADR Struggle is REAL - 10/09/2025

 Honestly, I am struggling with retaining some of the ADR material.

Reason 1 is because the questions ChatGPT has crafted for me are on difficulty level 100. It has been made clear that under normal exam conditions I will be doing multiple choice questions. The questions being thrown at me through ChatGPT's quizlets require of me to remember the exact answer. I am constructing answers in sentences as opposed to checking boxes after he nngg given a choice. It is helping to burn in what I need to remember but there are areas I am clearly struggling with.

Reason 2 is because remembering the common UN Numbers has no easy route. It's either remember the UN Numbers and their associated substance or not. There is no in between. If I get a digit wrong, the UN Number no longer corresponds to that substance. Luckily, I don't think the exam will be this taxing, and if I can remember ten of the most common UN Numbers and substances and the Class along with the hazard diamond then I am likely to score highly on this module.

I struggled to remember binomial nomenclature when studying horticulture; I needed to remember plant identification. So what I did was have a clean PDF with one plant image per page with the binomial expression and common name beneath each plant image. I just scrolled the pages back and forth for hours, reading each one out loud. Most of the time I scored 100% in those tests so that strategy worked. I may have to devise a very similar strategy to remember these common UN Numbers.

Saying I struggled with binomial nomenclature was actually more of a mental struggle with regard to thinking I wouldn't succeed, but I managed it in the end.

I am just getting my head around LQ rules and small package exemptions. I didn't realise it was an either/or situation and I cannot apply both at the same time. So now I have gotten clarity on this I should be able to perform a bit better on those modules.

1.1

UN0336

Fireworks

EXPLOSIVE

2.1

UN1965

LPG

FLAMMABLE GAS

2.2

UN1072

Oxygen

NON-FLAMMABLE GAS

2.3

UN1017

Chlorine

Locker With Additional Breathing Apparatus 150Х150 mm

TAXIC GAS

3

UN1203

UN1170

Petrol

Ethanol

FLAMMABLE LIQUID

4.1

UN1350

Sulphur

FLAMMABLE SOLID

4.2

UN1381

White Phosphorus

SPONTANEOUSLY COMBUSTABLE

4.3

UN1402

Calcium Carbide

DANGEROUS WHEN WET

5.1

UN1942

Ammonium Nitrate

OXIDISER

5.2

UN3105

MEKP

ORGANIC PEROXIDE

6.1

UN1689

Sodium Cyanide

Locker With Additional Breathing Apparatus 150Х150 mm

TOXIC SUBSTANCES

6.2

UN3373

Infectious Substances (Cat B)

INFECTIOUS SUBSTANCES

7

UN2915

Radioactive Material, Type A

Class 7: Radioactive materials

RADIOACTIVE

8

UN1830

UN1760

Sulphuric Acid

Corrosive N.O.S

CORROSIVES

9

UN3480

Lithium-ion Batteries

MISCELLANEOUS







































Class 1

Explosives

Very restricted. Only certain compatibility groups can mix

Often carried alone unless special exemptions apply

Class 2

Gases

Toxic gases (2.3) must be segregated from food/feed

Flammable gases (2.1) away from oxidisers (Class 5.1)

Class 3

Flammable Liquids

Keep away from oxidisers (5.1) and organic peroxides (5.2)

Class 4

Flammable Solids etc

4.2 (spontaneously combustible) + 4.3 (dangerous when wet) → big no with water-reactives and oxidisers

Class 5

Oxidisers & Organic Peroxides

Must be segregated from flammables (Class 3 & 4)

Class 6

Toxics & Infectious

Toxic (6.1) + foodstuffs → prohibited

Infectious (6.2) must be carried under very strict conditions, not with general cargo

Class 7

Radioactive

Very restricted. Segregation from living beings, food, undeveloped film, etc

Class 8

Corrosives

May attack other packages physically → often separated in practice

Class 9

Miscellaneous

Lithium batteries → must be kept away from flammable gases/liquids if possible






























This is going to be my bible for the next couple days.


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