1. BOD R1 R1 30 1 800 1 890 BOD R2 R2 30 1 800 1 890 260LX200WX110H mm AZ DO 10 DO 10 3 200 360 1 1kg AZ DO 30 DO 30 30 8 000 8 400 R 7512 DO 30 6 600 6 930 BOD BT 6 900 945 2 R1 R2 1 1 D0 gt DO0o DO Rim mg 1 2 3 4 5 6 7 9gE 1 ja 5 DO DOs 1 2 II U ll M 2. DO D0 BOD BOD DOo D0s D0 D0 29 3. BUD Biochemical Oxygen Demand Set for River Water BOD K 17 000 17 850 5 D0 BOD 5 DO 1 9 mg 15 a http www iers co jp Py DO 30 R1 R2 6 5 20C J 1S BOD 5