測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 21401 |
十文字川 |
東北本線鉄橋 |
|
測定結果
| 採取年月日 |
1994.04.13 |
1994.06.08 |
1994.08.17 |
1994.10.12 |
1994.10.18 |
1994.10.18 |
1994.10.18 |
1994.10.18 |
1994.10.18 |
1994.10.18 |
1994.10.18 |
1994.10.19 |
1994.10.19 |
1994.10.19 |
1994.10.19 |
1994.10.19 |
1994.12.07 |
1995.02.22 |
| 採取時刻 |
1055 |
1050 |
1045 |
1050 |
1100 |
1300 |
1500 |
1700 |
1900 |
2100 |
2300 |
0100 |
0300 |
0500 |
0700 |
0900 |
1145 |
1140 |
| 天候 |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
曇り |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
| 気温 (℃) |
14.0 |
26.5 |
30.8 |
19.0 |
14.0 |
14.6 |
11.6 |
12.2 |
9.8 |
8.2 |
7.8 |
6.0 |
4.8 |
5.5 |
7.5 |
12.6 |
8.0 |
5.0 |
| 水温 (℃) |
9.5 |
18.8 |
24.0 |
14.7 |
11.4 |
12.3 |
12.3 |
12.6 |
11.4 |
11.0 |
10.3 |
9.8 |
9.5 |
9.7 |
10.5 |
10.7 |
4.0 |
3.9 |
| pH |
7.6 |
8.5 |
8.0 |
7.8 |
7.4 |
7.8 |
7.9 |
7.9 |
7.8 |
7.8 |
7.8 |
7.8 |
7.8 |
7.8 |
7.8 |
7.9 |
8.2 |
8.6 |
| DO (mg/l) |
11.0 |
9.6 |
8.1 |
9.9 |
11.0 |
11.0 |
11.0 |
10.0 |
10.0 |
10.0 |
10.0 |
10.0 |
10.0 |
10.0 |
11.0 |
10.0 |
12.0 |
12.0 |
| BOD (mg/l) |
1.8 |
8.7 |
6.3 |
4.1 |
3.3 |
3.7 |
4.2 |
3.7 |
4.5 |
5.8 |
3.7 |
4.4 |
2.7 |
3.1 |
3.8 |
2.2 |
4.0 |
2.8 |
| SS (mg/l) |
111 |
6 |
30 |
5 |
3 |
2 |
2 |
3 |
9 |
3 |
3 |
2 |
2 |
29 |
5 |
4 |
1 |
4 |
| 大腸菌群数 (MPN/100ml) |
4.9E+03 |
3.2E+04 |
7.9E+05 |
2.4E+03 |
|
4.5E+00 |
|
|
1.3E+02 |
|
|
7.9E+01 |
|
|
4.9E+01 |
|
3.3E+02 |
3.3E+01 |
| 全窒素 (mg/l) |
4.00 |
25.00 |
3.30 |
4.40 |
|
5.10 |
|
6.20 |
|
5.00 |
|
4.90 |
|
4.90 |
|
4.40 |
9.40 |
15.00 |
| 全燐 (mg/l) |
0.200 |
2.100 |
0.230 |
0.320 |
|
0.530 |
|
0.610 |
|
0.390 |
|
0.430 |
|
0.430 |
|
0.370 |
0.680 |
0.900 |
| 透視度 |
8 |
24 |
26 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
| 塩化物イオン (mg/l) |
10 |
|
|
11 |
11 |
11 |
13 |
14 |
12 |
13 |
12 |
12 |
11 |
12 |
12 |
16 |
|
|