World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...

explosive factory, which was to be later known as NEF Pembrey was built, by Nobel's Explosives, with

British British may refer to: Peoples, culture, and language * British people, nationals or natives of the United Kingdom, British Overseas Territories and Crown Dependencies. * British national identity, the characteristics of British people and culture ...

Government approval, near the village of

Pembrey Pembrey (Welsh language, Welsh: ''Pen-bre'') is a village in Carmarthenshire, Wales, situated between Burry Port and Kidwelly, overlooking Carmarthen Bay, with a population of about 2,154 in 2011. The electoral ward having a population of 4,3 ...

Carmarthenshire Carmarthenshire (; or informally ') is a Principal areas of Wales, county in the South West Wales, south-west of Wales. The three largest towns are Llanelli, Carmarthen and Ammanford. Carmarthen is the county town and administrative centre. ...

Wales Wales ( ) is a Countries of the United Kingdom, country that is part of the United Kingdom. It is bordered by the Irish Sea to the north and west, England to the England–Wales border, east, the Bristol Channel to the south, and the Celtic ...

. The factory was built on a site consisting of mainly sandhills and sand

dune A dune is a landform composed of wind- or water-driven sand. It typically takes the form of a mound, ridge, or hill. An area with dunes is called a dune system or a dune complex. A large dune complex is called a dune field, while broad, flat ...

s to provide some protection against damage caused by an explosion. Its main product was TNT (

Trinitrotoluene Troponin T (shortened TnT or TropT) is a part of the troponin complex, which are proteins integral to the contraction of skeletal and heart muscles. They are expressed in skeletal and cardiac myocytes. Troponin T binds to tropomyosin and help ...

) used for

shell Shell may refer to: Architecture and design * Shell (structure), a thin structure ** Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses Science Biology * Seashell, a hard outer layer of a marine ani ...

filling. The same site was used in

World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...

to build another explosive factory ROF Pembrey, which also made TNT. Like all explosives factories, they needed a guaranteed year-round supply of water and good transport links. The site was connected to the

Great Western Railway The Great Western Railway (GWR) was a History of rail transport in Great Britain, British railway company that linked London with the southwest, west and West Midlands (region), West Midlands of England and most of Wales. It was founded in 1833, ...

at Pembrey.

Nineteenth-century dynamite factory

dynamite Dynamite is an explosive made of nitroglycerin, sorbents (such as powdered shells or clay), and Stabilizer (chemistry), stabilizers. It was invented by the Swedish people, Swedish chemist and engineer Alfred Nobel in Geesthacht, Northern German ...

factory appears to have been built on a site at Pembrey in 1882 by the New Explosive Company of

Stowmarket Stowmarket ( ) is a market town and civil parish in the Mid Suffolk district of Suffolk, England,OS Explorer map 211: Bury St.Edmunds and Stowmarket Scale: 1:25 000. Publisher:Ordnance Survey – Southampton A2 edition. Publishing Date:2008. o ...

; it was bought by their competitors, Nobel's Explosives Company, in 1886 / 1887 and production was partially run-down. Ownership was then transferred to the South Wales Explosive Company, a subsidiary of Nobel's.Reader, (1970). Chapter 7: ''Dynamite and Smokeless Powder:Explosives for Peace and War 1886-1907''.

World War I: NEF Pembrey

The site was then used by Nobel's Explosives to build a TNT /

propellant A propellant (or propellent) is a mass that is expelled or expanded in such a way as to create a thrust or another motive force in accordance with Newton's third law of motion, and "propel" a vehicle, projectile, or fluid payload. In vehicle ...

factory in 1914 with Government approval. Its construction was a response to the need to drastically increase the production of shells in

(see

Shell Crisis of 1915 The Shell Crisis of 1915 was a shortage of artillery shells on the front lines in the First World War that led to a political crisis in the United Kingdom. Previous military experience led to an over-reliance on shrapnel to attack infantry in th ...

). The Pembrey site was one of the first purpose-built TNT manufacturing sites, in the

United Kingdom The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of European mainland, the continental mainland. It comprises England, Scotlan ...

, in World War I. The factory was initially owned by Nobel's Explosives, but in 1917 it was taken over by the

Ministry of Munitions The Minister of Munitions was a British government position created during the First World War to oversee and co-ordinate the production and distribution of munitions for the war effort. The position was created in response to the Shell Crisis o ...

and it became a National Explosives Factory (NEF Pembrey).Reader, (1970). Chapter 14: ''Nobels Transformed 1914-1919''. It produced 15,000

ton Ton is any of several units of measure of mass, volume or force. It has a long history and has acquired several meanings and uses. As a unit of mass, ''ton'' can mean: * the '' long ton'', which is * the ''tonne'', also called the ''metric ...

s of TNT and 20,000 tons of propellant. The site was described as some . After the end of World War I, it closed and the administration building became a convalescence home for children from the families of

unemployed Unemployment, according to the OECD (Organisation for Economic Co-operation and Development), is the proportion of people above a specified age (usually 15) not being in paid employment or self-employment but currently available for Work (hu ...

miners A miner is a person who extracts ore, coal, chalk, clay, or other minerals from the earth through mining. There are two senses in which the term is used. In its narrowest sense, a miner is someone who works at the rock face (mining), face; cutt ...

. Its water supply works were taken over by the nearby

town A town is a type of a human settlement, generally larger than a village but smaller than a city. The criteria for distinguishing a town vary globally, often depending on factors such as population size, economic character, administrative stat ...

Llanelli ; ) is a market town and community (Wales), community in Carmarthenshire and the Preserved counties of Wales, preserved county of Dyfed, Wales. It is on the estuary of the River Loughor and is the largest town in the Principal areas of Wales, ...

and used to supply the town with water.

World War II: ROF Pembrey

Work started in July 1938 to build a new factory on the site, with the Ministry of Works acting as Agents. It opened in December 1939 under the control of the

Ministry of Supply The Ministry of Supply (MoS) was a department of the UK government formed on 1 August 1939 by the Ministry of Supply Act 1939 ( 2 & 3 Geo. 6. c. 38) to co-ordinate the supply of equipment to all three British armed forces, headed by the Ministe ...

as one of several

explosive An explosive (or explosive material) is a reactive substance that contains a great amount of potential energy that can produce an explosion if released suddenly, usually accompanied by the production of light, heat, sound, and pressure. An ex ...

Royal Ordnance Factories making TNT. Unlike the other TNT ROF's, however, ROF Pembrey also made

tetryl 2,4,6-Trinitrophenylmethylnitramine or tetryl ( C7 H5 N5 O8) is an explosive compound used to make detonators and explosive booster charges. Tetryl is a nitramine booster explosive, though its use has been largely superseded by RDX. Tetryl is a ...

and

ammonium nitrate Ammonium nitrate is a chemical compound with the formula . It is a white crystalline salt consisting of ions of ammonium and nitrate. It is highly soluble in water and hygroscopic as a solid, but does not form hydrates. It is predominantly us ...

. Some 3,000 people were employed there in World War II. After the end of World War II, it continued to manufacture TNT and tetryl for military use; and ammonium nitrate for

agricultural Agriculture encompasses crop and livestock production, aquaculture, and forestry for food and non-food products. Agriculture was a key factor in the rise of sedentary human civilization, whereby farming of domesticated species created f ...

use as a

fertiliser A fertilizer or fertiliser is any material of natural or synthetic origin that is applied to soil or to plant tissues to supply plant nutrition, plant nutrients. Fertilizers may be distinct from Liming (soil), liming materials or other non- ...

. From 1944 onwards, ROF Pembrey undertook breakdown of surplus

ammunition Ammunition, also known as ammo, is the material fired, scattered, dropped, or detonated from any weapon or weapon system. The term includes both expendable weapons (e.g., bombs, missiles, grenades, land mines), and the component parts of oth ...

, such as 4.5 inch

anti-aircraft Anti-aircraft warfare (AAW) is the counter to aerial warfare and includes "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It encompasses surface-based, subsurface ( submarine-launched), and air-ba ...

shells and bombs. The TNT being

steam Steam is water vapor, often mixed with air or an aerosol of liquid water droplets. This may occur due to evaporation or due to boiling, where heat is applied until water reaches the enthalpy of vaporization. Saturated or superheated steam is inv ...

ed out and then burnt. The chemical properties of explosive products manufactured or otherwise handled here, including TNT and ammonium nitrate, were continually sampled and tested in the chemical laboratory by technicians known as Junior Analysts. They included young women who were exposed to these hazardous materials on a daily basis. The title of Junior Analyst is still (2009) cited as a qualification for employment advertised in the region.

Closure and disposal

ROF Pembrey closed towards the end of 1964. In July 1965 the majority of the site, of

leasehold A leasehold estate is an ownership of a temporary right to hold land or property in which a Lease, lessee or a tenant has rights of real property by some form of title (property), title from a lessor or landlord. Although a tenant does hold right ...

land, was returned to the

Forestry Commission The Forestry Commission is a non-ministerial government department responsible for the management of publicly owned forests and the regulation of both public and private forestry in England. The Forestry Commission was previously also respons ...

and now forms Pembrey

Country Park A country park is a natural area designated for people to visit and enjoy recreation in a countryside environment. United Kingdom History In the United Kingdom, the term ''country park'' has a specific meaning. There are around 250 designated c ...

; and of freehold land was sold to a construction company.

Footnotes

References

* Reader, W.J. (1970). ''Imperial Chemical Industries. A History.'' Volume One. ''The Forerunners 1870 - 1926''. London: Oxford University Press. . * Hay, Ian (1948). ''R.O.F: The Story of the Royal Ordnance Factories 1939 - 1948''. London:

His Majesty's Stationery Office The Office of Public Sector Information (OPSI) is the body responsible for the operation of His Majesty's Stationery Office (HMSO) and of other public information services of the United Kingdom. The OPSI is part of the National Archives of the U ...

. {{coord, 51.679, -4.293, region:GB-CMN_type:landmark, display=title

Buildings and structures in Carmarthenshire