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World War 2 - Disposal of Chemical Weapons

From SN Guides

Contents

Introduction

At the end of WW2 there were large stockpiles of chemical weapons. They needed to be disposed of for reasons of safety and to ensure they didn't fall into the wrong hands. This entry provides background information and describes how most of these weapons were disposed of in Europe by loading them into ships and scuttling them.

The current version of this entry only covers Europe. Further chemical weapons disposal was carried out by the United States, Japan, Australia and probably Canada but this has not been researched.


Background

Chemical weapons were banned by International treaties after WW1 but still manufactured clandestinely. This is certainly true of the Germans and Japanese and maybe also the Allies. It is clear from the account below that Britain was producing mustard gas ammunition in 1942; there may be more information forthcoming on this topic but that is the limit of information whilst producing this entry up to 25 Feb 2008.

German Chemical Weapons

At the end of WW2 it was found that Germany had developed a number of superior chemical weapons in addition to the old types, like mustard gas, phosgene and chlorine, that were used in WW1. The new agents are now referred to as “nerve gas” and were Tabun, Sarin and Soman. These worked in a different way to the chemical weapons of WW1 by paralysing muscles including those involved in breathing thereby asphyxiating anyone inhaling them.

At the beginning of the war, Germany had large stockpiles of chemical weapons and the capability for using them. And yet poison gas was not used by the Germans to any significant extent during WW2, though there were apparently a number of cases where it was used on the Russian front. There can be little doubt that the Germans had significant and superior capability in chemical weapons.


UK Chemical Weapons

In a speech made on 10 May 1942, Winston Churchill said that, although the Britain would not be the first to use poison gas, it would use it if the Germans used it first, and that its use against Russian allies, would provoke retaliation as if it had been used against Britain.

".... we will use our great and growing air superiority in the West to carry gas warfare on the largest possible scale, far and wide, against military objectives in Germany. It is thus for Hitler to choose whether he wishes to add this additional horror to aerial warfare".


Churchill’s promise/threat was backed by reality as Britain had a top secret chemical weapons factory at Valley Works at Rhydymwyn near Mold in North Wales. In effect the site was an assembly facility with mustard gas and shell components being made elsewhere and brought to the site. Apparently up to 17,000 people worked there at one time or another and it was run by people from ICI. The complex included tunnels that were used for storage. External resource #3 provides access to photos and a film that was used to brief new workers to the factory: it was made by the Ministry of Supply. If used, the bombs would have been delivered using specially adapted Halifax bombers. The production site has recently been converted into a wildlife conservation area.

There were probably other sites involved in the manufacture of chemical weapons in Britain as well. Anyone having information about this is invited to contact Benjidog with details so they can be added to this entry.

There are a number of references on the Internet to Britain supplying Australia with the raw material to manufacture chemical weapons as there was concern that they would be used by the Japanese in an invasion. The Japanese had used chemical weapons against the Chinese already.


Image 1 shows a mustard gas sheel being checked - see External resource #3


Image 1: Image:Filling_mustard_gas_shell.jpg


Types of Ammunition

German standard ammunition with chemical warfare agents

The tables below, containing information extracted from External resource #1, provide details of the standard German ammunition containing chemical warfare agents.

Artillery ammunition

Calibre Type Colour code Agent Amount of agent (blank if not known)
75 mm Igr. 18 White ring Chloroacetophenone
105 mm F.H.Gr. Yellow ring Sulphur mustard 1.25 L
105 mm F.H.Gr. 39 Yellow ring Sulphur mustard 1.16 L
105 mm F.H.Gr. 39 Two yellow rings Thickened sulphur mustard
105 mm F.H.Gr. Green ring Sulphur mustard 1.25 L
105 mm F.H.Gr. 38 Green ring 1 Nitrogen mustard 0.9 Kg
105 mm F.H.Gr. 39 Green ring 3 Tabun 1.2 L
105 mm F.H.Gr. 38 Green and yellow rings Sulphur mustard 0.84 L
105 mm F.H.Gr. Blue ring 1 Adamsite 0.5 Kg
105 mm F.H.Gr. 41 Blue ring 3 Adamsite + nitrocellulose 0.8 Kg
105 mm F.H.Gr. White ring Chloroacetophenone
150 mm Gr. 39 Yellow ring Sulphur mustard
150 mm Gr. 19 Green ring Sulphur mustard 3.5 L
150 mm Gr. 19 Yellow ring Sulphur mustard 4.8 Kg
150 mm Gr. 38 Green ring 1 Nitrogen mustard 2.9 Kg
150 mm Gr. 39 Green ring 3 Tabun
150 mm Gr. 19 Blue ring 1 Adamsite 1.5 Kg
150 mm Gr. 19 White ring Chloroacetophenone 3.5 Kg


Rockets

Calibre Type Colour code Agent Amount of agent (blank if not known)
150 mm Wgr. 41 Green and yellow rings Sulphur mustard 3.2 Kg
150 mm Wgr. 41 Yellow ring Sulphur mustard 4.6 Kg
150 mm Wgr. 41 Green ring 1 Nitrogen mustard 3.1 Kg


'Rocket launcher ammunition

Calibre Type Colour code Agent Amount of agent (blank if not known)
100 mm Wgr. Nb or Nb st Yellow ring Sulphur mustard


Mines

Calibre Type Colour code Agent Amount of agent (blank if not known)
10 L Sprühbüchse 37 Yellow ring Sulphur mustard
10 L Sprühbüchse 37 Two yellow rings Thickened sulphur mustard


Bombs

Calibre Type Colour code Agent Amount of agent (blank if not known)
K.C.250 W. Two white rings Chloroacetophenone 100 Kg
K.C.250 Gr. Green and yellow rings Sulphur mustard 100 Kg
K.C.250 Gb. Yellow ring Sulphur mustard 100 Kg
K.C.250 II Gb. Two yellow rings Thickened sulphur mustard 100 Kg
K.C.250 II Gr. One or two green rings Phosgene 100 Kg
K.C.250 III Gr. Three green rings Tabun 86 Kg
K.C.50 II Bu. Two blue rings Adamsite + nitrocellulose 15 Kg


British standard ammunition with chemical warfare agents

Not currently known.


Disposal Sites

Disposal aboard scuttled ships

External resource #2 provides a list of ships that were loaded with chemical weapons and scuttled together with (in most cases) the locations. There are no less than 89 ships of various types listed; many are likely to have been Liberty ships judging by their names.

Note that in the tables in this section:

Minesveiper = minesweeper Torpedojager = Torpedo boat (literally torpedo fighter)

Scuttled ships - Skagarrak area

Følgende fartøyer er antatt senket i Skagerrak. Dumpingsfeltet ser ut til å strekke seg fra Svenskegrensen i øst til Lista i vest. Det kan dokumenteres at det ble senket fartøyer utenfor Arendal (ca 650-700 meters dyp), Måseskjär (ca 200 meters dyp) og sørvest av Lista på ca 300 meters dyp.


The following table shows vessels sunk in the Skagerrak. The dumping ground seems to stretch from the Swedish border in the east to Lista in the west. It can be documented that there were vessels sunk outside Arendal (approx 650-700 metres deep), Måseskjär (approx 200 metres deep) and southwest of Lista approx 300 metres deep.


Locations of ships with chemical weapons scuttled in the Skagerrak

Name Tonnage Location of sinking (blank if not known)
ALCOA BANNER 5035 58°18,7N 09°36,5Ø
BALKAN 2209 58°16N 09°27Ø
BERLIN 2970
BRANDENBURG - Vs-158 174
BREMSE 796 57°52N 06°15Ø
CLAUS VON BEVERN 861 57°52N 06°15Ø
DRAU 5142
DUBURG 2675 58°13.565N 09°32.097Ø / 57°02,5N 10°04,1Ø
EDITH HOWALDT 2067 58°14N 09°27Ø
EIDER 3288
EMMY FRIEDERICH 5066 58°14N 09°27Ø
EMPIRE SEVERN 6681 58°18N 09°37Ø
ERIKA SCHÜNEMANN 1177
F 192 240 58°08N 10°52Ø
FALKENFELS 6318
FECHENHEIM 8116
FREIBURG 5165
GEORG HAWLEY 7176 58°18,5N 09°38,0Ø
GERTRUD FRITZEN 2999
H.C. HORN 4132
HELGOLAND 2947
HERBERT NORKUS 1750
HUGO OLDENDORFF 1876
JAMES HARROD (1/2) 7176 58°16,0N 09°33,0Ø
JAMES OTIS 7176 58°16N 09°32Ø
JANTJE FRITZEN 6582 58°18N 09°55Ø
KARL LEONHARDT 6043 58°14N 09°24Ø
KSB 13 1724
Krysser LEIPZIG 6515 57°52,011N 06°15,747Ø
LOTTE 2115 58°19N 09°40Ø
LOUISE SCHRÖDER 1327 58°15N 09°27Ø / 57°25N 10°41Ø
LUDWIGSHAFEN 1923
Minesveiper M 16 874 58°10N 10°42Ø
Minesveiper M 280 (TS14) 775 57°40N 06°30Ø
Minesveiper M 522 652 58°10N 10°42Ø
MONTE PASCOAL 13870 58°10,31N 10°46,13Ø
ODERSTROM 1511
OLGA SIEMERS 3347
PATAGONIA 5898 58°15N 09°35Ø
PILLAU 1308
RHÖN 1778 sannsynligvis sørvest av Arenda (Probably southwest of Arenda)
S 7 86 58°09N 10°50Ø
S 9 86 58°09N 10°51Ø
S 12 92 58°09N 10°52Ø
SCHWABENLAND 8631 58°10,22N 10°45,24Ø
SESOSTRIS 2013 58°18,315N 09°41,057Ø
Torpedojager T 21 1098 57°52N 06°15Ø
Torpedojager T 37 2190 57°40N 06°30Ø
Torpedojager T 38 2190 58°07,48N 10°46,30Ø
Torpedojager T 39 2190 58°08,12N 10°47,48Ø
Torpedojager T 63 2566
Torpedojager T 65 2566 58°17,9N 09°37,1Ø
TAGILA 2682
TAURUS 1158 58°16.009N 09°31.152Ø
Torpedojager TF 1 489 58°09N 10°50Ø
THEDA FRITZEN 2882 58°18N 09°55Ø
TRITON 1620 ved Jylland = Arendal?
TRUDE SCHÜNEMANN 1260
Jager Z 29 2657 57°52N 06°15Ø
Jager Z 34 2657


Scuttled ships - North Sea Area

Følgende skip skal ha blitt senket i ”Nordsjøen”. Senkingsområdet er sansynligvis farvannet utenfor Helgoland.

The following ships have been sunk in the “North Sea”. Sinking area is probably deep sea outside Helgoland.


Locations of ships with chemical weapons scuttled in the North Sea Area

Name Tonnage Location of sinking (blank if not known)
ARTHUR SEAWALL 7176 Tauet ut fra Bremerhaven. (Towed out from Bremerhaven)
DESSAU 5933
KINDERSLEY 1999
WILLIAM L. MARCY 7176


Scuttled ships - Bay of Biscay Area

Følgende skip skal ha blitt senket i Biscaya:

The following ships have been sunk in the Bay of Biscay

Locations of ships with chemical weapons scuttled in the Bay of Biscay Area

Name Tonnage Location of sinking (blank if not known)
DORA OLDENDORFF 2730 47°40N 09°22V
EMPIRE CONYNGHAM 1465 47°52N 08°51V
EMPIRE CORMORANT 5760
EMPIRE LARK 4971 47°55N 08°25V
EMPIRE NUTFIELD 1561 48°03N 08°09V
EMPIRE PEACOCK 6098 47°55N 08°30V
EMPIRE SUCCES 5988
HARM FRITZEN 4818 47°55N 08°58V
MARGO 1377 47°36N 09°31V


Scuttled ships - Atlantic Ocean area

Følgende skip skal ha blitt senket i Atlanterhavet:

The following have been sunk in the Atlantic Ocean

Locations of ships with chemical weapons scuttled in the Atlantic Ocean

Name Tonnage Location of sinking (blank if not known)
EMPIRE CLAIRE 5613
EMPIRE FAL 4880 NV av Skottland
EMPIRE SIMBA 5691 55°30N 11°00V
EMPIRE WOODLARK 7793 59°00N 07°40V
KOTKA 6079
PHILIP HEINEKEN 2250 62°57,0N 01°32,0Ø
VOGTLAND 4969 Nordatlanteren
WAIRUNA 5826 55°30N 11°00V

Scuttled ships - Location not known

The following vessels are noted only as “Scuttled at sea”

Locations of ships with chemical weapons scuttled at unknown locations

Name Tonnage Location of sinking (blank if not known)
BOTLEA 5119
GEMLOCK 3194
JAMES W. NESMITH 7176 Tauet ut fra Bremerhaven. (Towed out from Bremerhaven)
LANARK 1904
LEIGHTON 7412
MIERVALDIS 1265
OCEAN TRANSPORT 2 552

Scuttled ships - Sank after explosion in cargo

Følgende skip sank i Kattegat etter eksplosjon i lasten. Skipet skulle dumpes:

The following ship sank in the Kattegat after an explosion in the cargo. The ship was to dump (its cargo)


Locations of ships with chemical weapons sunk by explosion

Name Tonnage Location of sinking (blank if not known)
BERNLEF 2482 56°10N 12°07Ø


Disposals in the Beaufort Trench

The Beaufort Trench is an area of deep water between Scotland and Northern Ireland that has been used for dumping munitions since WW1. A large number of munitions, including chemical weapons, were dumped there after the end of WW2. Detailed information is not currently available.

The following is an extract from Hansard (UK Parliament - written answers) on 23 Apr 2002 - see External resource #4. Dr Moonie was the UK Junior Defence Minister at that time and Mrs. Curtis-Thomas was Member of Parliament for Crosby (Merseyside).

Beaufort Trench (Mustard Gas)

Mrs. Curtis-Thomas: To ask the Secretary of State for Defence how much mustard gas is stored in the Beaufort trench; and what recent assessment has been carried out to determine the health risks associated with the site. [51570]

Dr. Moonie: Detailed inventories of chemical weapons and other munitions disposed of in Beaufort's Dyke are no longer available; many records were destroyed after the disposals as a matter of routine custom and practice in view of the fact that sea dumping of munitions, including CW-filled items, was then an acceptable method of disposal. Where records of disposals do remain in existence, they have been released to the Public Record Office. From those existing records, it is known that some 14,500 tons of 5 inch artillery rockets filled with phosgene were dumped in Beaufort's Dyke in July 1945. There are no records which indicate that other chemical weapons, including mustard gas, have been disposed of to that dump



External resources

  1. Investigation and risk assessment of ships loaded with chemical ammunition scuttled in Skagerrak: Tørnes John Aa, Voie Øyvind A, Ljønes Marita, Opstad Aase M,Bjerkeseth Leif Haldor, Hussain Fatima. November 2002
  2. Appendix 1 to External resource #1 - Location of sunken gas ships - Researched and written by Erling Skjold
  3. BBC Wales - North East: WW2 Chemical Weapons Factory
  4. Hansard: Written answers 23 Apr 2002


Images

  1. Still from government film refernced in External resource #3


Contributors

  1. Research, main entry and structure by SN member Benjidog
  2. Translation of sections of External Resource #1 from Norwegian into English by SN member Marconi Sahib


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