測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 03401 |
千厩川下流 |
松形橋 |
C |
測定結果
| 採取年月日 |
1990.04.18 |
1990.05.09 |
1990.06.13 |
1990.07.18 |
1990.08.01 |
1990.09.12 |
1990.10.17 |
1990.11.22 |
1990.12.05 |
1991.01.16 |
1991.02.20 |
1991.03.06 |
| 採取時刻 |
1035 |
1040 |
1010 |
1050 |
1040 |
0925 |
1005 |
1030 |
1010 |
1115 |
1040 |
1030 |
| 天候 |
雨 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
晴れ |
晴れ |
快晴 |
晴れ |
| 気温 (℃) |
7.5 |
21.8 |
25.3 |
31.5 |
27 |
27 |
18 |
7 |
6 |
2.5 |
0 |
11.5 |
| 水温 (℃) |
7 |
15.5 |
19.8 |
22.5 |
22.5 |
19.3 |
14.5 |
6.5 |
6 |
2.6 |
1 |
5.5 |
| pH |
7.8 |
7.7 |
7.4 |
7.8 |
7.7 |
7.4 |
7.5 |
7.2 |
6.8 |
7.3 |
7.4 |
7.5 |
| DO (mg/l) |
10.6 |
8.8 |
8.4 |
7.7 |
8.1 |
8.7 |
9.6 |
11.7 |
11.3 |
12.3 |
11.6 |
11 |
| BOD (mg/l) |
4.6 |
2.7 |
2.9 |
2.9 |
3.1 |
2.2 |
2.1 |
1.7 |
2.7 |
5.5 |
3.6 |
1.9 |
| SS (mg/l) |
17 |
16 |
11 |
15 |
9 |
7 |
6 |
4 |
15 |
5 |
16 |
10 |
| 大腸菌群数 (MPN/100ml) |
4.9E+04 |
4.6E+04 |
7.9E+04 |
1.3E+05 |
3.3E+04 |
3.3E+04 |
1.7E+04 |
3.3E+04 |
1.1E+04 |
7.9E+03 |
3.3E+04 |
3.3E+03 |
| 全窒素 (mg/l) |
1.4 |
|
1.1 |
|
1.6 |
|
2.5 |
|
1.4 |
|
2.1 |
|
| 全燐 (mg/l) |
0.11 |
|
0.082 |
|
0.066 |
|
0.12 |
|
0.037 |
|
0.054 |
|
| |
|
|
N |
|
|
|
|
|
|
|
|
|
| PCB (mg/l) |
|
|
N |
|
|
|
|
|
|
|
|
|