Cach (long gop y kien nhan xet ve ke hoach don sach: ^IDA SonmSai Protection Agency • Tham gia buoi dieu tran cong cong:* 17 thang Sau, 2010 South Park Community Center 8319 8th Ave S - Buoi Toa Dam Cong Cong: 5 gia 30 chieu - Cac Buoi Trinh Bay: 6 gid chieu - Dieu Tran Cong Cong: 7 gia toi * Se co thong dich vien va dich vu giu tre tai buoi dieu tran cong cong. • Doc ke hoac don sach T-117: www.T 117.com hoac thu vien South Park Library • Gin nhan xet cua quy vi cho EPA tre nhat la ligay 7 thang Bay, 2010: Dien thu: rl Oterminal 117@epa.gov Thu giri qua duong biru dien: Terminal 117 Comments, U.S. EPA, 1200 6th Ave, Suite 900, ECL-111, Seattle WA 98101 — r Lich Trinh Thirc Hien Dir An 2009-2010 Lap ke hoach cho hoat dong don sach va lira chon phiro'ng an thay the 2010 Bat dau co ban phac thao ke hoach don sach; giai doan hop cong khai va duyet xet 2011 Thiet ke va tim nha thau 2012 - 2013 Tien hanh don sach 2013-2014 Bat dau tai thiet dja diem Quy vi co thac mac? Piper Peterson Lee, Quan Ly Vien Du An cua Co Quan Bao Ve Moi Truong, 206-553-4951, Peterson-Lee.piper@epa.gov Suzanne Skadowski, Co Quan Bao Ve Moi Truong, Ban phu trach Hoat Dong Tham Gia cua Cong Dong, 206-553-6689, Skad(m>ski.snzamie@epa.gov Be Biet Them Thong Tin De biet thong tin tong quat ve hoat (long don sach Til7, xin toi trang mang dien toan www.T 117.com Hoac lien lac voi mot trong cac thanh vien cua nhom dir an: • Roy Kuroiwa, Quan Ly Vien Du An Gang Seattle, 206-787-3814, Kuroiwa.r@portseattle.org • Tom Meyer, Quan Ly Vien Du* An cua So Dien Thanh Pho Seattle, 206-386-9168, Tom.meyer@seattle.gov " Piper Peterson Lee, Quan Ly Vien Dir An cua Co Quan Bao Ve Moi Trirong, 206-553-4951, Peterson-Lee.piper@epa.gov • Thea Levkovitz, Dieu Phoi Vien Clnroiig Trinh Plop Tac Don Sach Song Duwamish, 206-954-0218, thea@duwamishcleanup.org • Penny Mabie, Chuyen Vien Co Van ve Hoat Dong Tham Gia cua Cong Dong, 206-269-5041, pmabie@enviroissues.com Terminal 117 Port of Seattle ^!|| City of Seattle ^ Environmental Protection Jfc United States Environmental Protection M % Agency Terminal 117 Superfund Site Be An Ke Hoach Don Sach Thang Sau 2010 Terminal 117 la gi? Terminal 117 (T-l 17) la dia diem da hi o nhiem nam tren bo pliia Tay song Duwamish River trong kliu South Park d Seattle. Khu vuc don sach nay nam giua duong 14th Avenue South, Dallas Avenue South va South Donovan Street. Cac hoat dong san xuat nhua du'dng tru'dc day cua Duwamish Manufacturing va sau do la Malarkey Asphalt da gay tinli trang nhiem dau va chat PCB (polychlorinated biphenyls) trong lop phu sa (bun) tren song, tren bo song va mot so phan dat ben canh bo song (vung dat cao, du'dng pho va san vudn). Tinli trang o nhiem can phai duoc khac phuc vi no de doa toi sue klioe con nguoi va moi tru'dng song cua con song nay. r Ke hoach don sach la gi? De an ke hoach don sach dugc goi la Phan Ticli Chi Phi va Danh Gia Ky Tliuat (EE/CA). Ke hoach don sach dugc bien soan de nlian biet va lira chon each thirc don sach cho T-l 17. Thong tin truac day dirge sir dung cung voi cac mau dat, nucrc ngam va phu sa de tim cac chat o nhiem. Thong tin nay da tirng dugc su dung de lap ke hoach don sach. Sau khi cong chung xem xet, EPA se quyet djnh ve ke hoach don sach chinh thirc trong I'hir Bao Quyet Dinh, va quyet dinh nay se dira tren nghien ciru theo EE/CA. EPA dang chi dao va quan ly hoat dong don sach nay. Cang Seattle (Gang) va So Dien Thanh Pho Seattle (Thanh Pho) phai hoan tat cong viec don sach theo lenli cua EPA Superfund. De An Don Sach Terminal 117 Don sach dird'ng pho Ranh gioi don sach T-117 Khu virc khac phuc 0 tren cao T-117 Don sach san viroii tai cac cir gia Don sach dirong pho Don sach chat PCB trong phu sa Kenh lira chuy&i LSi'S-iQvjer.dale'; S Donovan St Meters * Cac khu vuc khac phuc cuoi cung, trong do bao gom san vudn tai cac cu gia va cac khu vuc tren duong pho, Cac khu vuc nay se duoc xac dinh trong Thu Thong Bao Quyet Dinh cua EPA. ------- Cac muc tieu va muc ctich don sach la Vice don sach se loai bo du lugng dat va phu sa ra khoi T-117 de giam cac chat o nhiem tdi ffiurc bao ve dugc moi truang cua con song va giam cac nguy co sue khoe doi vdi con ngudi. Dia diem nay se dugc don sach de sau nay co the su' dung, trong do bao gom xay co so thuong mai va gia cir, bao ve moi truang song tren song va tao dieu kien cho cong chung su' dung. Tinh trang o nhiem dat va phu sa se dugc khac phuc toi muc do giup: • Giam nguy co sue klioe doi voi nhung ngudi an hai san danh bat d vung Ha Nguon song Duwamish qua viec giam cac chat o nhiem trong phu sa va nude lo thien toi muc bao ve moi truang va sue khoe. gi? Giam nguy co sue khoe doi voi nhung ngudi tiep xuc true tiep vdi cac chat phu sa qua viec giam lugng chat o nhiem trong phu sa tdi muc an toan. Giam nguy co doi vdi con trung, sau va torn cua ngheu so sinli song trong con song nay bang each giam o nhiem phu sa tdi muc tieu chuan ve phu sa cua Tieu Bang Washington. Giam nguy co doi vdi cua, ca, chim va cac loai dong vat co vu sinli song tren con song nay do tiep xuc vdi cac chat o nhiem bang each giam o nhiem trong phu sa va nude lo thien tdi muc an toan. r EE/CA xem xet cac phuong an thay the don sach nao? EPA danh gia nhieu bien phap don sach khac nhau nham khac phuc tinh trang nhiem PCB, trong do bao gom dao dat, nao vet phu sa, che ldp phu sa bi o nhiem bang vat lieu sach (che phia tren) de tranh tinh trang o nhiem lan rong, hoac xu ly dat va phu sa. Cac phuang phap don sach dugc de nghi trong ke hoach nay da dugc lua chon vi cho thay co tac dung va co the ap dung ngay. EPA dang kien nghi ap dung hai phuong an thay the co the dap ung dugc cac muc tieu ve don sach. Phuong An 1 Phirong An 2 Phuang an nay se loai bo chat o nhiem PCB ra khoi T-117, cac du'dng pho lien ke va mot so san vu'dn tai cac cu gia. Cong viec don dep se: Loai bo nhung phan dat vugt qua muc qui dinh ve don sach PCB, sau tdi 15 feet. • Loai bo phan ldn lugng phu sa bi o nhiem gan T-117 vugt qua muc qui dinh ve don sach PCB. • Giu nguyen va che chan phan phu sa con lai vugt qua muc don sach PCB. Phuang An 2 cung giong nhu Phuang An 1 ve viec loai bo dat ra khoi vung dat cao, cac du'dng pho va san vucm. Tuy nhien Phuang An 2 se: Loai bo toan bo lugng phu sa vugt qua muc don sach PCB, va lap lai bang dat sach. Khong bo sot phu sa vugt qua muc don sach PCB. Lim y: Mot so duo'ng pho va san viron cung da nhiem chat dioxin/furans. Cac duong pho va san viron co chat PCB se dirge don sach. Viec loai bo dat co PCB cung se giup loai bo dioxins/furans tir cac san viron nay. Tuy nhien, cac san viron co chat dioxin/furans nhirng khong co chat PCB se khong dirge don sach trong khuon kho hoat dong khac phuc o khu virc T-117. 2 - Teiminal 117 r Phuong an don sach duoc khuyen cao cho T-117 la gi? EPA khuyen cao nen ap dung Phuang An 2 cho T-117. Phuang An 2 se hieu qua va co tac dung lau dai han Phuang An 1. Cac lgi the cua Phuang An 2 dugc trinh bay torn luge trong bang dudi day: Yeii T6 Don Sach Cac Loi The/Cac Bat Loi ciia Phuong An 1 va 2 Phurcrng An 1 Phurcrng An 2 Chat lirong nguon niroc Giam tinh trang o nhiem nude ngan han do it hoat dong nao vet hon 0 nhiem nirdc nhieu hon trong thoi gian ngan vi nao vet nhieu hon. Tinh trang nay co the khac phuc dirge qua thiet ke dir an va cac bien phap kiem soat Muc do hieu qua lau dai Xet ve lau dai se it hieu qua hon vi dia diem van con phu sa bi o nhiem va phai giam sat de bao dam co phan che chan bao ve Hieu qua hon ve lau dai va ben vung hon vi phan ldn tinh trang o nhiem da dirge khac phuc Cac lya chon ve sir dung dia dilm sau khi don sach It lira chon hon ve sir dung dia diem sau khi don sach vi se phai co qui dinh guVi han ve viec sir dung dia diem Nhieu lira chon hon ve sir dung dat sau khi don sach (vi du nhir khoi phuc moi trirdng song, cong chung sir dung, v.v...,) Chi Phi It ton kem hon, nhung doi hoi phai giam sat lau dai Ton kem hon nhung se khong phai theo doi va danh gia hieu qua ve lau dai sau khi da don sach So Sanh Phirong An 1 va 2 Phmrng An 1 Phuong An 2 Giam cac nguy co' doi voi sue klioe con ngudi va bao ve moi truomg V' Dat duffc cac muc tieu don sach va dap ung cac yeu cau ve don sach Luo ng dat/phu sao o nhiem duo c loai bo Dat (yard vuong) 47,000 47,000 Phil sa (yard vuong) 6,500 14,000 Phuong phap khac phuc (luong vat lieu mang den) Che ldp phu sa Lap lai dat Vat lieu bat buoc (yard vuong) 8,000 10,000 Chi Phi $31,700,000 $33,200,000 Teiminal 117-3 ------- |