Dangerous Goods Safety Adviser

Dangerous Goods Safety Adviser support for UK road transport operators that carry, load, unload, pack or fill dangerous goods under ADR. A DGSA is not the same as an ADR vocational trained driver. The adviser monitors compliance on behalf of the undertaking, advises directors and transport managers, and produces the annual report required for management and the competent authority.

The legal position depends on what is actually carried: the UN number, proper shipping name, ADR class, packing group, transport category, the quantity per transport unit and any special provision or exemption that applies. For many operators the exposure is invisible until a DVSA roadside check, a customer compliance audit or a tender pre-qualification asks for written evidence of the DGSA appointment, the latest annual report and the dangerous goods procedures behind it.

We provide external DGSA appointment and compliance review support for hauliers, own-account operators, waste carriers and businesses moving fuel, LPG, industrial and medical gases, paints, resins, adhesives, lithium batteries, aerosols, corrosives, agrochemicals and other classified products by road.

Request a DGSA appointment discussion or use our transport services assessment to describe your dangerous goods operation in your own words.

What our DGSA service covers

The starting point is to confirm whether the appointment obligation applies and what is genuinely being moved. That means looking at product information, safety data sheets, the ADR Dangerous Goods List, quantities, routes, vehicle use, loading and unloading arrangements and the role of any consignors, customers or subcontractors in the chain.

• External DGSA appointment for road transport activities, in writing and with a defined scope.
• ADR compliance review of vehicles, equipment, documents, procedures and driver evidence.
• Advice on transport categories, the 1.1.3.6 small-load calculation, limited quantities and excepted quantities.
• Annual DGSA report for the undertaking’s management and the competent authority.
• Review of dangerous goods transport documents, written instructions, placarding, orange plates and vehicle equipment.
• Procedure advice for loading, unloading, segregation of incompatible classes, security and incident response.
• Incident and accident review, including support with the DGSA report to the competent authority where required.
• Practical preparation before DVSA dangerous goods checks, customer audits or contract mobilisation.

Arrange your DGSA appointment

When a DGSA is needed

An undertaking generally needs a Dangerous Goods Safety Adviser where its activities include the carriage, packing, loading, filling or unloading of dangerous goods by road. The duty can apply to hauliers carrying for reward and to own-account operators moving their own products. It is not removed because the work is occasional, because the loads are small or because drivers hold ADR vocational training certificates. Driver training and the DGSA function are separate obligations and both have to be met.

Operations that should always be reviewed include fuel and oil distribution, gas cylinder and bulk gas work, chemical and surface coating supply, agricultural chemicals, hazardous waste, lithium-ion battery movements, aerosol pallets, adhesives and corrosives, and any mixed loads that combine more than one dangerous goods class on the same vehicle.

Thresholds, exemptions and the small-load calculation

Most operators expect a yes or no answer on whether ADR applies. The actual position is more nuanced. ADR uses transport categories 0 to 4 and a points-based calculation under 1.1.3.6 to decide whether a load is below the small-load threshold for a transport unit. Limited quantities and excepted quantities have their own packaging and marking rules. Some movements within a site, between adjacent operating sites or as part of a specific industry activity may attract further provisions.

In practice this means two operators carrying the same chemical can sit in different parts of the regime depending on packaging, quantity and how the day’s loads combine. A DGSA review applies the calculation to the operation as it actually runs, including peak days and worst-case mixed loads, rather than to a tidy average.

How the appointment process works

We begin with a short scope review. The useful question is not whether you carry dangerous goods, but what goods, in what packaging, in what quantities, how often, who loads, who unloads, and which parts of ADR are engaged when the heaviest day is taken into account.

1. Confirm the products, UN numbers, proper shipping names, ADR classes, packing groups, tunnel codes and quantities.
2. Apply the relevant transport category and small-load calculation to decide where the operation sits.
3. Review current evidence, including ADR driver certificates, transport documents, written instructions, equipment lists and pre-trip checks.
4. Document the DGSA appointment in writing and agree how routine advice, incident notification and the annual report will be handled.
5. Produce an action list for any compliance gaps that need closing, with owners and dates.
6. Prepare the annual report for the relevant period and retain it with the supporting evidence.

A common pattern is the operator that begins with a few pallets of paint, resin, batteries or cylinders for a single customer and gradually accepts larger and more frequent loads without revisiting the ADR position. The file holds driver certificates but no DGSA appointment, no annual report and no record of how mixed loads are assessed. That picture is much easier to correct in advance than after a roadside stop has already produced a prohibition or a customer audit has flagged it to procurement.

The cases that worry me are the mixed-load days where one customer’s lithium batteries, another’s flammable adhesive and a small amount of corrosive end up on the same vehicle because they fit. Each line, taken alone, might look manageable. Add them together against the 1.1.3.6 calculation and the transport unit has tipped over the threshold without anyone in the office knowing. That is the kind of finding a DGSA review is meant to surface before DVSA does.

Liam Gafoor CMILT IOSH, transport compliance adviser

Annual report and record control

The DGSA annual report should give directors and transport management a usable view of the undertaking’s dangerous goods activity and its compliance position. It should record the classes and types of goods handled, the systems and sites reviewed, training and certificate status, any incidents or near misses, and clear recommendations for the year ahead. The report should be specific enough that a board member or a Traffic Commissioner reading it can see what was checked, what was found and what is being done about it.

The report and its supporting evidence should be retained for at least five years and made available to the competent authority on request. Supporting records to keep alongside it include product information and safety data sheets, ADR driver training certificates, transport documents, equipment checks, placarding photographs where useful, incident records and the written DGSA appointment.

Dangerous goods classes commonly seen in road transport

ADR sets out nine classes of dangerous goods. UK road operators most often encounter Class 2 gases, Class 3 flammable liquids, Class 6.1 toxic substances, Class 8 corrosives and Class 9 miscellaneous dangerous substances, which now includes lithium batteries and certain environmentally hazardous substances. Class 1 explosives, Class 5 oxidising substances and organic peroxides and Class 7 radioactive material require tighter control and should never be folded into ordinary freight procedures without specific assessment.

Class alone does not answer every question. Packing group, transport category, packaging type, segregation rules, tunnel restrictions, exemptions and special provisions all influence what is required on the vehicle and on the paperwork. Where the load profile changes, even gradually, the DGSA position should be reviewed rather than treated as a settled decision.

Why this matters for operator licence compliance

Dangerous goods compliance sits next to, not inside, the operator licence regime, and the two interact. A goods vehicle operator can hold a valid O-licence and run a tidy maintenance file and still be exposed if ADR documents, placards, equipment, driver certificates or DGSA reporting are weak. DVSA officers and customer auditors look for evidence that dangerous goods controls are being actively managed by a named adviser, not assumed by the transport manager as an extra duty. Findings can feed into the operator’s compliance record and, in serious cases, support regulatory action against the licence itself.

Operator Licence Ltd can help review this evidence, identify the gaps and arrange the right DGSA appointment for your dangerous goods operation. If your operation carries dangerous goods, start with the transport services assessment and describe the products, quantities, routes and vehicle use. We can then confirm the likely DGSA scope and the records that need checking.

Relevant official guidance: GOV.UK: Carriage of dangerous goods. This page is general guidance for UK operators and is not legal advice. Current ADR, Department for Transport and competent authority requirements should be checked for the specific goods and operation.