Ⓨ㟁⏝ཎᏊ⅔➼ᗫ⅔䞉Ᏻ඲ᢏ⾡㛤Ⓨ㈝⿵ຓ㔠䛂᱁⣡ᐜჾ₃䛘䛔⟠ᡤ≉ᐃᢏ⾡䞉⿵ಟᢏ⾡㛤Ⓨ䛃䠬䠟䠲ୗ㒊⿵ಟ䠄䝧䞁䝖⟶ෆᇙタ䛻䜘䜛ṆỈᕤἲ䠅䛾䛖䛱䐟㛢Ṇ⿵ຓᮦヨ㦂䚸䐠ṆỈヨ㦂䛾㐍ᤖᴫせ2014ᖺ 3᭶27᪥

©InternationalResearchInstituteforNuclearDecommissioning䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠍䠅PCVୗ㒊⿵ಟ䠄䝧䞁䝖⟶ෆᇙタ䛻䜘䜛ṆỈᕤἲ䠅䛾඲యᴫせᅗ䠍䠉䠍 䠬䠟䠲ୗ㒊⿵ಟ䛾ᑐ㇟⠊ᅖ䛆⿵ಟᕤἲᴫ␎䛇䐟䠰䜽䜶䞁䝏䝱䞊䜢ṆỈ䐠䝧䞁䝖⟶ෆ䠄䠔ᮏ䠅䛾ඛ➃㒊ศ䛻㛢Ṇ⿵ຓᮦ䠄䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䠅䛻䛶ሖ䜢ᵓ⠏䐡㛢Ṇ⿵ຓᮦ䛾ୖὶഃ䛻ṆỈᮦ䠄䜾䝷䜴䝖ᮦ➼䠅䜢඘ሸ䛧䛶ṆỈ䐢䠯䠋䠟䜢䠬䠟䠲䝞䜴䞁䝎䝸䛛䜙ษ䜚㞳䛧©InternationalResearchInstituteforNuclearDecommissioning1䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠎䠅䐟 㛢Ṇ⿵ຓᮦ䠄䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䠅䞉䞉䞉ヨ㦂ィ⏬
䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䛾ᙉᗘ䠄⪏ᅽヨ㦂䠅඘ሸ䜾䝷䜴䝖ᮦ䛾㑅ᐃヨ㦂䠄㓄ྜヨ㦂䠅䞉⦭┠㏆ഐ䛾ᙉᗘ䠄ᘬᙇ䚸⪏ᅽ䠅☜ㄆ䞉ෆ㒊඘ሸᮦ䛾㑅ᐃཬ䜃ရ㉁☜ㄆ䛤ሗ࿌⠊ᅖ䜾䝷䜴䝖඘ሸヨ㦂䠄ᐇ䝇䜿䞊䝹ヨ㦂䠅䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䛾ᑍἲ䠄䠍䠋䠎䝇䜿䞊䝹ヨ㦂 ✵Ẽ䞉Ỉ඘ሸヨ㦂䠅䞉䜾䝷䜴䝖ᅛ໬ᚋ䛾཰⦰䜢☜ㄆ䞉䜾䝷䜴䝖඘ሸᅽ䛾☜ㄆ䞉㐺ษ䛺ᑍἲ䠋ᙧ≧䜢☜ㄆ䞉ṆỈᮦヨ㦂䛾䛯䜑䛾ᖸ΅≀࿘䜚㝽㛫ᙧ≧䛾☜ㄆ඘ሸᕤἲ䛾Ỵᐃ䠄䠍䠋䠎䝇䜿䞊䝹ヨ㦂 ᒎ㛤ᛶ☜ㄆヨ㦂䠅䞉ᢡ䜚␚䜣䛰≧ែ䛛䜙䛾ᒎ㛤ᛶ☜ㄆ䞉ὶỈ⎔ቃୗ䛷䛾ᒎ㛤ᛶ☜ㄆ䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䛾୺䛺せồᶵ⬟䜾䝷䜴䝖඘ሸヨ㦂䠄䠍䠋䠎䝇䜿䞊䝹ヨ㦂䠅䞉ᒎ㛤๓䛾ᢡ䜚␚䜏ᑍἲ┠ᶆ䠖┤ᚄ䠎䠌䠌䡉䡉䚸㛗䛥䠏䠌䠌䡉䡉௨ୗ䞉ᒎ㛤᫬䛻◚ᦆ䛧䛺䛔ᘬᙇ䞉⪏ᅽᙉᗘ䜢ᣢ䛴䛣䛸䞉ὶỈ䠋‶Ỉ⎔ቃ䛷䛾ᒎ㛤ᛶ䛜䛒䜛䛣䛸䞉ᖸ΅≀࿘䜚䛾㝽㛫䜢᭱ᑠ໬䛩䜛䛣䛸䞉ᒎ㛤ᚋ䛻ᴟຊ↓཰⦰ᛶ䜢ಖ䛴䛣䛸䞉㑅ᐃ䛧䛯㓄ྜ䛻䜘䜛䜾䝷䜴䝖䜢඘ሸ䛧ᒎ㛤᪋ᕤᛶ䜢☜ㄆ䠍䠋䠎䝇䜿䞊䝹⤌ྜ䛫ヨ㦂䞉䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䛸ṆỈᮦ䜢⤌ྜ䜟䛫䛶ṆỈᛶ䜢☜ㄆ௒ᖺᗘḟᖺᗘ௨㝆э䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䛾⣲ᮦ䠖䝫䝸䜶䝇䝔䝹⧄⥔㧗ᙉຊ⣒⧊ᕸэෆ㒊඘ሸᮦ䠖Ỉ୰୙ศ㞳ᛶ䝰䝹䝍䝹᪋ᕤ᮲௳☜ㄆヨ㦂䠄䠍䠋䠎䝇䜿䞊䝹ヨ㦂䠅ᐇつᶍ⤌ྜ䛫ヨ㦂©InternationalResearchInstituteforNuclearDecommissioning2䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠏䠅䐟 㛢Ṇ⿵ຓᮦ䠄䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䠅䞉䞉䞉䠍䠋䠎䝇䜿䞊䝹 ✵Ẽ䞉Ỉ඘ሸヨ㦂⤖ᯝ䠄౛䠅ヨ㦂┠ⓗ㛢Ṇ⿵ຓᮦ䛾䝃䜲䝈䜢ኚ䛘䚸䝧䞁䝖⟶ෆ䛾ᒎ㛤≧ἣ䠄≉䛻䝧䞁䝖⟶䠔ᮏ䛾䛖䛱䠍ᮏ䛻Ꮡᅾ䛩䜛ᇶ‽ᐜჾ➼䛾ᖸ΅≀䜈䛾࿘䜚㎸䜏≧ἣ䛸䛭䛾㝽㛫ᙧᡂ≧ἣ䠅䜢☜ㄆ䛧䚸᭱㐺䛺䝃䜲䝈䜢㑅ᐃ䛩䜛䚹ヨ㦂⤖ᯝ䝧䞁䝖⟶䛾࿘㛗䛻ᑐ䛧⣙120䡚130%⛬ᗘ䛾኱䛝䛥䛷䚸ୗグ䛾⤖ᯝ䛜ᚓ䜙䜜䛯䚹ᖸ΅≀䛜↓䛔䝧䞁䝖⟶䠖䝧䞁䝖⟶ෆ䛻㛢Ṇ⿵ຓᮦ䛜ᐦ╔䛧䚸䜋䜌㝽㛫䛺䛟ᒎ㛤䛜ྍ⬟䛷䛒䛳䛯䚹ᖸ΅≀䛜᭷䜛䝧䞁䝖⟶䠖ᖸ΅≀࿘䜚䛻䛒䜛⛬ᗘ࿘䜚㎸䜐䛜䚸┠ᶆ㝽㛫䛻䛿⮳䜙䛺䛛䛳䛯䚹э௒ᚋ䛾ᑐᛂ䛿䡌䠊䠍䠍䜢ཧ↷ഃ㠃ᖸ΅≀࿘䜚ୖ㒊ୗ㒊ᅗ䠏䠉䠍 㛢Ṇ⿵ຓᮦタ⨨ᚋ䛾┠ᶆ㝽㛫(mm)1F-2䛾౛ᅗ䠏䠉䠎 ᒎ㛤≧ἣ
䠄1F-2ᖸ΅≀᭷䜚䚸✵Ẽ඘ሸ䠅䛾౛ᅗ䠏䠉䠏 㝽㛫ィ 䞉ᙧ≧
䠄1F-2ᖸ΅≀᭷䜚䛾౛䠅
©InternationalResearchInstituteforNuclearDecommissioning

3䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠐䠅䐟 㛢Ṇ⿵ຓᮦ䠄䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䠅䞉䞉䞉䠍䠋䠎䝇䜿䞊䝹 ᒎ㛤ᛶ☜ㄆヨ㦂⤖ᯝ䠄౛䠅ヨ㦂┠ⓗ㛢Ṇ⿵ຓᮦෆ㒊䛻Ỉ䜢඘ሸ䛥䛫䚸ᢡ䜚␚䜏᪉ἲ䜔᪉఩ᛶ䛾㐪䛔䛻䜘䜛タ⨨ᛶཬ䜃ᒎ㛤ᛶ䜢☜ㄆ䛩䜛䚹ヨ㦂⤖ᯝ䞉䠐䝟䝍䞊䞁䛾ᢡ䜚␚䜏᪉ἲ䛷ᒎ㛤ヨ㦂䜢⾜䛔䚸㐺ษ䛺᪉఩䛻ᒎ㛤ᛶ䛜Ⰻ䛛䛳䛯䜒䛾䜢㑅ᐃ䛧䛯䚹ᅗ䠐䠉䠍 㛢Ṇ⿵ຓᮦ䛾ᢡ䜚␚䜏䞉ᒎ㛤ᚋ䛾㝽㛫䛻䛴䛔䛶䛿䚸✵Ẽ䞉Ỉ඘ሸヨ㦂䛸ྠᵝ䛺⤖ᯝ䛜ᚓ䜙䜜䛯䚹ᖸ΅≀䛜↓䛔䝧䞁䝖⟶䠖䝧䞁䝖⟶ෆ䛻㛢Ṇ⿵ຓᮦ䛜ᐦ╔䛧䚸䜋䜌㝽㛫䛺䛟ᒎ㛤䛜ྍ⬟䛷䛒䛳䛯䚹ᖸ΅≀䛜᭷䜛䝧䞁䝖⟶䠖ᖸ΅≀࿘䜚䛻䛒䜛⛬ᗘ࿘䜚㎸䜐䛜䚸┠ᶆ㝽㛫䛻䛿⮳䜙䛺䛛䛳䛯䚹э௒ᚋ䛾ᑐᛂ䛿䡌䠊䠍䠍䜢ཧ↷ᅗ䠐䠉䠎 ヨ㦂ึᮇ≧ែᅗ䠐䠉䠏 ᒎ㛤≧ἣ䠄ᖸ΅≀䛺䛧䠅ᅗ䠐䠉䠐 ᒎ㛤≧ἣ䠄ᖸ΅≀䛒䜚䠖1F-2䛾౛䠅©InternationalResearchInstituteforNuclearDecommissioning

4䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠑䠅䐟 㛢Ṇ⿵ຓᮦ䠄䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䠅䞉䞉䞉ᐇ䝇䜿䞊䝹 䜾䝷䜴䝖඘ሸヨ㦂⤖ᯝ䠄౛䠅䠍䠋䠎䝇䜿䞊䝹䜾䝷䜴䝖඘ሸヨ㦂䛾䜲䞁䝥䝑䝖䠄䜾䝷䜴䝖ᡴタᅽ䠅☜ㄆ䛸䛧䛶䚸஦๓䛻ᐇつᶍ䛷䛾䜾䝷䜴䝖඘ሸヨ㦂䜢ᐇ᪋䚹ཧ⪃䛻ヨ㦂⤖ᯝ䜢ᥖ㍕䛩䜛䚹ᅗ䠑䠉䠍 ヨ㦂య඲ᬒ䠄ヨ㦂㛤ጞึᮇ≧ែ䠅ᅗ䠑䠉䠎 ヨ㦂⤖ᯝ䠄㛢Ṇ⿵ຓᮦ䛾◚ᦆ≧ែ䠅䝰䝹䝍䝹඘ሸ㏵୰䠄඘ሸ㛤ጞ䛛䜙⣙䠎䠑ศᚋ䠅䛻ᡴタཱྀ㏆ഐ䛷䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䛜⿣䛡䛶◚䜜ⴠ䛱䛯䛯䜑䚸ᡴタ䜢୰᩿䛧䛯䚹ྲྀ௜㒊䛾⿵ᙉ᳨ウ䜢⾜䛔䚸෌ヨ㦂䛾ணᐃ©InternationalResearchInstituteforNuclearDecommissioning

5䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠒䠅䐠 ṆỈᮦ䠄ྍረᛶ䜾䝷䜴䝖䠅䞉䞉䞉ヨ㦂ィ⏬
ᗘ౫Ꮡᛶ☜ㄆヨ㦂䠄㓄ྜヨ㦂䠅䞉ṆỈ䛻㐺䛧䛯┠ᶆᛶ⬟䜢☜ㄆ䛤ሗ࿌⠊ᅖᗘᛂຊゎᯒ䞉䜂䜃๭䜜ᣦᩘ䚸཰⦰㔞䛾☜ㄆṆỈヨ㦂䠄䠍䠋䠍䠌䝇䜿䞊䝹ヨ㦂䠅䞉ὶỈ⎔ቃ䛷┠ᶆ㝽㛫䛻ᑐ䛩䜛ṆỈᛶ䜢☜ㄆ䞉ṆỈ䛻㐺䛧䛯㓄ྜ䛾᳨ウ䠄㓄ྜ䛾┦㐪䛻䜘䜛᳨ウ䠅䞉ὀධ㏿ᗘ䛾┦㐪䛻䜘䜛ṆỈᛶ䞉᪋ᕤ௙ᵝ䛾᳨ウṆỈᮦ䠄ྍረᛶ䜾䝷䜴䝖䠅䛾୺䛺せồᶵ⬟䞉ṆỈᛶ⬟┠ᶆ₃Ỉ㔞䠖ᖸ΅≀↓䛧䠖䠌䠊䠌䠍䝸䝑䝖䝹䠋ศ௨ୗ䠄ᬻᐃ್䠅ᖸ΅≀᭷䜚䠖䠌䠊䠌䠍䝸䝑䝖䝹䠋ศ௨ୗ䠄ᬻᐃ್䠅䞉ᮦᩱ≉ᛶὶỈ⎔ቃ䛷䜒ᑐ㇟䛸䛩䜛㝽㛫䜢ṆỈྍ⬟䛺䛣䛸◳໬ᚋ䛻༑ศ䛺ᙉᗘ䜢᭷䛩䜛䛣䛸ᗘ䜂䜃๭䜜䜔཰⦰䜢ᢚ䛘䛯ᮦᩱ䛷䛒䜛䛣䛸䞉⪏ஂᛶ⬟㛗ᮇⓗ䛻ᙉᗘ䛜ಖ䛯䜜ຎ໬䛜䛺䛔䛣䛸Ỉ㢌ᅽ䛻ᑐ䛧䛶௜╔ᛶ䛜ಖ䛯䜜䜛䛣䛸ᡴタ┤ᚋ䠖䠏䠌䡇㻼㼍䚸㛗ᮇ䠖䠐䠌䠌䡇㻼㼍䞉ᡴタᛶ⬟ィ⏬ᅽ㏦㊥㞳䜢㐜䜜䜛䛣䛸ṆỈヨ㦂䠄䠍䠋䠎䝇䜿䞊䝹ヨ㦂䠅䞉ὶỈ⎔ቃ䛷┠ᶆ㝽㛫䛻ᑐ䛩䜛ṆỈᛶ䜢☜ㄆ䞉ṆỈ䛻㐺䛧䛯㓄ྜ䛾᳨ウ䠄㓄ྜ䛾┦㐪䛻䜘䜛᳨ウ䠅䞉ὀධ㏿ᗘ䛾┦㐪䛻䜘䜛ṆỈᛶ䞉᪋ᕤ௙ᵝ䛾᳨ウ䠍䠋䠎䝇䜿䞊䝹⤌ྜ䛫ヨ㦂䞉䜲䞁䝣䝺䜲䝍䝤䝹䝅䞊䝹䛸ṆỈᮦ䜢⤌ྜ䜟䛫䛶ṆỈᛶ䜢☜ㄆ௒ᖺᗘḟᖺᗘ௨㝆᪋ᕤ᮲௳☜ㄆヨ㦂䠄䠍䠋䠎䝇䜿䞊䝹ヨ㦂䠅эṆỈᮦ䛾✀㢮䠖ྍረᛶ䜾䝷䜴䝖ᐇつᶍ⤌ྜ䛫ヨ㦂䠄ḟᖺᗘ௨㝆䠅©InternationalResearchInstituteforNuclearDecommissioning

6䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠓䠅䐠 ṆỈᮦ䠄ྍረᛶ䜾䝷䜴䝖䠅䞉䞉䞉䠍䠋䠍䠌䝇䜿䞊䝹 ṆỈヨ㦂⤖ᯝ䠄౛䠅䠄䠍䠅ヨ㦂┠ⓗ┠ᶆ㝽㛫䛻ᑐ䛩䜛ྍረᛶ䜾䝷䜴䝖䛾ṆỈᛶ⬟ཬ䜃ᡴタ┤ᚋ䛾⪏Ỉᅽᛶ⬟䜢☜ㄆ䛩䜛䚹㝽㛫䛂ᖜ䠖ᐇᑍ䚸㧗䛥䠖ᐇᑍ367䛻ᑐ䛧200䛃
130mm

䜰䜽䝸䝹〇䠖200mm⟶

䝧䞁䝖⟶䠔ᮏ䛾䛖䛱ᖸ΅≀䛒䜚䛾䝧䞁䝖⟶䜢䠎ᮏ┠䛻᪋ᕤ䛩䜛䛣䛸䜢᝿ᐃ

200mm䐟㝽㛫඲య᩿㠃ᅗ䠓䠉䠍 ヨ㦂⿦⨨ᴫせᅗ䐠ᖸ΅≀䜰䞁䜾䝹L-50
ᅗ䠓䠉䠎 ヨ㦂⿦⨨඲ᬒᅗ䠓䠉䠏 ヨ㦂⿦⨨඲ᬒᅗ䠓䠉䠐 ヨ㦂ᡭ㡰䜲䝯䞊䝆䐡ᖸ΅≀䜰䞁䜾䝹L-50+㗰ᮦ36©InternationalResearchInstituteforNuclearDecommissioning

7䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠔䠅䐠 ṆỈᮦ䠄ྍረᛶ䜾䝷䜴䝖䠅䞉䞉䞉䠍䠋䠍䠌䝇䜿䞊䝹 ṆỈヨ㦂⤖ᯝ䠄౛䠅䠄䠎䠅⾲䠔䠉䠍 ྍረᛶ䜾䝷䜴䝖䛾㓄ྜͤྍረᮦ䠝䠖ὶỈ⎔ቃୗ䛷䛾Ỉ୰୙ศ㞳ᛶ䜢㧗䜑䜛ྍረᮦ䠞䠖䝉䝯䞁䝖䛸཯ᛂ䛥䛫䛶䚸ᛴ⤖ᛶ䜢㧗䜑䜛䠞䠋䠟䠖䝉䝯䞁䝖㔞䛻ᑐ䛩䜛ྍረᮦ䠞䛾๭ྜ⾲䠔䠉䠎 ヨ㦂⤖ᯝ䛾౛ྛ䝟䝷䝯䞊䝍䜢ኚ䛘䛶ヨ㦂䜢ᐇ᪋䛧䚸඲䠏䠏䜿䞊䝇䛾ヨ㦂䝕䞊䝍䜢ྲྀᚓ䛧䛯䚹©InternationalResearchInstituteforNuclearDecommissioning

8䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠕䠅䐠 ṆỈᮦ䠄ྍረᛶ䜾䝷䜴䝖䠅䞉䞉䞉䠍䠋䠍䠌䝇䜿䞊䝹 ṆỈヨ㦂⤖ᯝ䠄౛䠅䠄䠏䠅䠞䠋䠟䛸䜾䝷䜴䝖ὀධ㏿ᗘ䛾ほⅬ䛛䜙ヨ㦂⤖ᯝ䜢ᩚ⌮䛩䜛䛸䚸䜾䝷䜴䝖ὀධ㏿ᗘ䛜㐜䛔ሙྜ䛻䛿䠦䠥䠯䝣䝻䞊䛜Ᏻᐃ䛫䛪䚸ヨ㦂⤖ᯝ䛻䜀䜙䛴䛝䛜⏕䛨䛯䚹ὀධ㏿ᗘ䜢᪩䛟䛧䛯ሙྜ䛻䛿䠦䠥䠯䝣䝻䞊䛜Ᏻᐃ䛧䚸ṆỈྍ⬟䛺䜿䞊䝇䛜ከ䛟䛺䛳䛯䚹ṆỈྍ䛷䛒䛳䛯䜿䞊䝇䛿䠦䠥䠯䝣䝻䞊䛜䠍䠌䠌䡚䠍䠍䠑⛬ᗘ䛷䛒䜚䚸䛣䜜䜢‶㊊䛩䜛䛯䜑䛻䛿䠞䠋䠟䛜䠔䡚䠍䠌䠂䚸䜾䝷䜴䝖ὀධ㏿ᗘ䛜䠍䠌䠌䝸䝑䝖䝹䠋ศ௨ୖ䠄௒ᅇ䛾ヨ㦂䛷ୖ㝈್䛿ྲྀᚓ䛷䛝䛶䛔䛺䛔䠅䛸䛩䜛䛣䛸䛜ᮃ䜎䛧䛔䛸ᛮ䜟䜜䜛䚹䛣䛾⤖ᯝ䜢㋃䜎䛘䛶䚸ᘬ⥆䛝ᐇ᪋䛩䜛䠍䠋䠎䝇䜿䞊䝹䛾ṆỈヨ㦂᮲௳䜢タᐃ䛩䜛䛣䛸䛸䛩䜛䚹ホ౯䕿䠖₃Ỉ㔞0.01䝸䝑䝖䝹䠋ศ௨ୗ䠄ṆỈᚋ30kPaస⏝䠅㽢䠖ṆỈ୙ྍ䜎䛯䛿₃Ỉ㔞0.01䝸䝑䝖䝹䠋ศ௨ୖ䠄ṆỈᚋ䠅ͤ䝥䝻䝑䝖䛾ᩘ್䛿䠦䠥䠯䝣䝻䞊䜢♧䛧䚸䜹䝑䝁ෆ䛿䜿䞊䝇ᩘ䜢♧䛩䚹ᅗ䠕䠉䠎 䠞䠋䠟䛸䜾䝷䜴䝖ὀධ㏿ᗘ䛾㛵ಀ䛻䛚䛡䜛ヨ㦂⤖ᯝ©InternationalResearchInstituteforNuclearDecommissioning

9䠬䠟䠲ୗ㒊⿵ಟ䛾㐍ᤖᴫせ䠄䠍䠌䠅䐠 ṆỈᮦ䠄ྍረᛶ䜾䝷䜴䝖䠅䞉䞉䞉䠍䠋䠎䝇䜿䞊䝹 ṆỈヨ㦂ィ⏬䠄ᴫせ䠅㛢Ṇ⿵ຓᮦタ⨨ᚋ䛾ᖸ΅≀䛻䜘䜛㝽㛫䜢ᶍᨃ䛧䚸䜾䝷䜴䝖ᡴタ䛻䜘䜛ṆỈᛶ䜢☜ㄆ䛩䜛䚹䝧䞁䝖⟶䠍䠋䠎䝇䜿䞊䝹ᶍᨃヨ㦂య䛷䛾ṆỈヨ㦂㝽㛫ᶍᨃ༊㛫ᅗ䠍䠌䠉䠍 㝽㛫ᶍᨃ༊㛫䛾〇సᅗ䠄1F-2䛾┠ᶆ㝽㛫౛䠅ヨ㦂య䛾䜰䜽䝸䝹⟶᩿㠃䛿ᐇᑍ䛾䠍䠋䠎䝇䜿䞊䝹䛷䛒䜛䛜䚸ᶍᨃ䛩䜛㝽㛫䛿ᐇᑍ䛾┠ᶆ㝽㛫䛸䛩䜛䚹©InternationalResearchInstituteforNuclearDecommissioning

10ཧ⪃䠖㛢Ṇ⿵ຓᮦタ⨨ᚋ䛾㝽㛫䛻䛴䛔䛶㛢Ṇ⿵ຓᮦタ⨨㛤ཱྀ㛢Ṇ⿵ຓᮦタ⨨ᚋ䛾㝽㛫䜢⦰ᑠ䛩䜛䛯䜑䛻䚸௨ୗ䛾᪉ἲ䜢᳨ウ୰䛷䛒䜛䚹ୗグ䛾᪉ἲ䛻䛿䚸ྑᅗ䛻䛒䜛䜘䛖䛻᪤Ꮡィ⏬䛾㛤ཱྀ䜔᪂つ䛻㏣ຍ㛤ཱྀ䜢タ䛡䜛䛺䛹䜢᳨ウ䛩䜛ᚲせ䛜䛒䜛䚹䐟䜾䝷䜴䝖ᡴタ㛤ཱྀ
䐠㏣ຍ㛤ཱྀ䠄䝧䞁䝖⟶ഃ䠅䐡㏣ຍ㛤ཱྀ䠄䝧䞁䝖䝦䝑䝎ഃ䠅䠍䠊ᖸ΅≀䛾᧔ཤ䠖⿵ಟ⿦⨨䠄䝬䝙䝢䝳䝺䞊䝍䠅䛻䜘䜚ᖸ΅≀䜢᧔ཤ䛧䚸㛢Ṇ⿵ຓᮦ䛜Ⰻዲ䛻ᒎ㛤䛷䛝䜛䜘䛖䛻䛩䜛䚹䠎䠊┠ワ䜑ᮦ䛾ᢞධ䠖䜾䝷䜴䝖ᡴタ㛤ཱྀ䛛䜙ᅛᙧᮦᩱ䜔྾Ỉ⭾ᙇᮦ䚸䛭䛾௚◳໬ᮦᩱ䛺䛹䜢ᢞධ䛧䛶㝽㛫䜢⦰ᑠ䛩䜛䚹ᅛᙧᮦᩱ䠄ᾋຊ䛒䜚䠅䠖䝇䞊䝟䞊䝪䞊䝹䚸Ⓨ◙䝇䝏䝻䞊䝹䚸䛚䛜䛟䛪䛺䛹ᅛᙧᮦᩱ䠄ᾋຊ䛺䛧䠅䠖◁䚸◁฼䚸䝉䝷䝭䝑䜽䝪䞊䝹䚸㕲⌫䛺䛹ᅛᙧᮦᩱ䠄䛭䛾௚䠅䠖㕲ᯈ䚸ᮌᮦ䚸ᶞ⬡䛺䛹྾Ỉ⭾ᙇᮦ䠖྾Ỉ䝫䝸䝬䞊䚸ᅽ⦰䝇䝫䞁䝆䛺䛹◳໬ᮦᩱ䠖䜾䝷䜴䝖䚸Ỉ䜺䝷䝇䚸Ⓨ◙๣䛺䛹䠏䠊๪㛢Ṇ⿵ຓᮦ䛾タ⨨䠖㏣ຍ䛷⿄䜢ᢞධ䛧䚸㝽㛫䜢⦰ᑠ䛩䜛䚹©InternationalResearchInstituteforNuclearDecommissioning

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