§ Mr. Andrew F. BennettTo ask the Secretary of State for Defence if he will publish in theOfficial Report, the text of the letter of 13 June to the hon. Member for Denton and Reddish concerning radiation dosage.
§ Mr. Kenneth CarlisleThe text of the letter is as follows: 329W
Further to my reply to your recent Parliamentary Questions and my letter to you of 3 May regarding radiation dose exposures, I am now able to supply the final version of the dose information for the dockyards and naval bases. This is attached. I can confirm that it does not differ from the provisional data supplied with my previous letter".
Table A Annual individual radiation dose equivalents—Rosyth dockyard civilian workers—1990 (Data supplied by BTL Rosyth) Figures 0–15 mSv *1,455 15–20 mSv 5 20–30 mSv 0 30–40 mSv 0 40–50 mSv 0 More than 50 mSv 0 Number of monitored employees 1,460 Collective dose (ManSv) 2.24 Average dose (mSv) 1.53
Table B Annual individual radiation dose equivalents Devonport dockyard civilian workers—1990 (Data supplied by BTL Rosyth) Figures 0–15 mSv *1,716 15–20 mSv 0 20–30 mSv 0 30–40 mSv 0 40–50 mSv 0 More than 50 mSv 0 Number of monitored employees 1,716 Collective dose (ManSv) 1.56 Average dose (mSv) 0.91 * Includes written system persons.
Table C Annual individual radiation dose equivalents all personnel—RNAD Coulport 1990 Figures 0–15 mSv *226 15–20 mSv 0 20–30 mSv 0 30–40 mSv 0 40–50 mSv 0 More than 50 mSv 0 Number of monitored employees 226 Collective dose (ManSv) 0.063 Average dose (mSv) 0.28 * All doses in the 0–5 mSv band.
Number includes 31 naval personnel (some may only have served at RNAD Coulport for part of the year).
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Table D Annual individual radiation dose equivalents for all personnel at Clyde S/M base—1990 Figures 0–15 mSv 337 15–20 mSv 21 20–30 mSv 28 30–40 mSv 1 40–50 mSv 0 More than 50 mSv 0 Number of monitored employees 387 Collective dose (ManSv) 2.093 Average dose (mSv) 5.41
Table E Annual individual radiation dose equivalents for all personnel at HMS Defiance–1990 Figures 0–15 mSv 303 15–20 mSv 7 20–30 mSv 0 30–40 mSv 0 40–50 mSv 0 More than 50 mSv 0 Number of monitored employees 310 Collective dose (ManSv) 0.897 Average dose (mSv) 2.89