測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 04501 |
中津川下流 |
御厩橋 |
A |
測定結果
| 採取年月日 |
1991.04.26 |
1991.05.08 |
1991.06.05 |
1991.07.30 |
1991.08.14 |
1991.08.14 |
1991.08.14 |
1991.08.15 |
1991.09.18 |
1991.10.02 |
1991.11.06 |
1991.12.04 |
1992.01.08 |
1992.02.05 |
1992.03.04 |
| 採取時刻 |
1410 |
1425 |
1415 |
1415 |
0945 |
1545 |
2145 |
0345 |
1415 |
1400 |
1415 |
1350 |
1425 |
1400 |
1430 |
| 天候 |
晴れ |
曇り |
晴れ |
曇り |
曇り |
晴れ |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
晴れ |
| 気温 (℃) |
22.5 |
21.5 |
24.4 |
22.4 |
22.7 |
28.4 |
21.2 |
19.8 |
17.0 |
20.8 |
10.0 |
8.0 |
5.3 |
2.5 |
5.0 |
| 水温 (℃) |
10.3 |
16.0 |
19.5 |
15.7 |
16.5 |
18.0 |
16.7 |
15.8 |
14.2 |
15.3 |
8.7 |
6.5 |
4.8 |
2.9 |
4.6 |
| pH |
7.2 |
7.5 |
7.6 |
7.4 |
7.4 |
7.4 |
7.3 |
7.3 |
7.4 |
7.6 |
7.3 |
7.3 |
7.2 |
7.1 |
7.2 |
| DO (mg/l) |
11 |
10 |
9.9 |
9.7 |
10 |
9.1 |
9.1 |
9.3 |
10 |
10 |
11 |
12 |
13 |
13 |
13 |
| BOD (mg/l) |
1.1 |
1 |
0.8 |
0.8 |
0.9 |
0.9 |
0.7 |
0.8 |
0.6 |
0.9 |
1.1 |
1 |
1.2 |
0.8 |
1.2 |
| COD (mg/l) |
1.9 |
1.6 |
1.9 |
1.4 |
1.1 |
|
|
|
1.4 |
1.6 |
1.3 |
1.2 |
1.4 |
1.4 |
1.5 |
| SS (mg/l) |
5 |
3 |
3 |
4 |
1 |
1 |
1 |
2 |
3 |
2 |
1 |
2 |
7 |
2 |
4 |
| 大腸菌群数 (MPN/100ml) |
3.3E+04 |
1.7E+03 |
2.4E+03 |
7.9E+03 |
3.3E+03 |
4.9E+03 |
4.9E+03 |
3.3E+03 |
1.8E+03 |
3.3E+02 |
3.3E+03 |
7.9E+02 |
7.9E+03 |
1.3E+02 |
3.3E+02 |
| 全窒素 (mg/l) |
|
0.61 |
|
0.53 |
|
|
|
|
0.52 |
|
1 |
|
0.56 |
|
0.55 |
| 全燐 (mg/l) |
|
0.014 |
|
0.009 |
|
|
|
|
0.013 |
|
0.008 |
|
0.018 |
|
0.013 |
| トリクロロエチレン (mg/l) |
|
< 0.002 |
|
< 0.002 |
|
|
|
|
|
|
< 0.002 |
|
< 0.002 |
|
|
| テトラクロロエチレン (mg/l) |
|
< 0.0005 |
|
< 0.0005 |
|
|
|
|
|
|
< 0.0005 |
|
< 0.0005 |
|
|