A.本底井一眼,污染擴散井一眼,污染監(jiān)視井一眼B.本底井一眼,污染擴散井一眼,污染監(jiān)視井二眼C.本底井一眼,污染擴散井二眼,污染監(jiān)視井二眼D.本底井二眼,污染擴散井二眼,污染監(jiān)視井二眼
危險廢物填埋場頂部覆蓋如圖所示,下列說法中正確的是:()
A.a層厚度0.8m,b層材料采用堅硬毛石B.a層厚度0.4m,b層材料采用粗砥性堅硬鵝卵石C.d層中天然材料厚度0.4m,e層傾斜度3%D.a層厚度0.8m,e層傾斜度1%
A.封場覆蓋系統(tǒng)結(jié)構(gòu)由垃圾堆體表面至頂表面順序為防滲層、排氣層、排水層、植被層B.排氣層施加于防滲層的氣體壓力應(yīng)≤0.75kNC.排氣層滲透系數(shù)應(yīng)>1×10-2cm/sD.排水層邊坡的滲透系數(shù)應(yīng)>1×10-2cm/s