測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 02801 |
伊手川 |
森大橋 |
A |
測定結果
| 採取年月日 |
1994.04.20 |
1994.05.11 |
1994.06.08 |
1994.07.06 |
1994.08.17 |
1994.09.21 |
1994.10.19 |
1994.11.16 |
1994.12.14 |
1995.01.11 |
1995.02.15 |
1995.03.01 |
| 採取時刻 |
1110 |
1050 |
1205 |
1035 |
0940 |
0920 |
1150 |
1127 |
1115 |
1110 |
1000 |
1130 |
| 天候 |
晴れ |
曇り |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
快晴 |
晴れ |
晴れ |
曇り |
曇り |
| 気温 (℃) |
15.0 |
24.0 |
30.0 |
26.0 |
33.0 |
28.0 |
23.0 |
12.0 |
5.0 |
1.0 |
4.0 |
6.0 |
| 水温 (℃) |
9.0 |
19.0 |
23.0 |
22.0 |
30.0 |
21.0 |
10.0 |
8.0 |
6.0 |
3.0 |
3.0 |
4.0 |
| pH |
8.1 |
7.4 |
7.4 |
7.4 |
7.4 |
7.4 |
8.1 |
7.7 |
7.6 |
7.3 |
7.4 |
7.5 |
| DO (mg/l) |
12.0 |
|
8.8 |
|
9.1 |
|
11.0 |
|
12.0 |
|
13.3 |
|
| BOD (mg/l) |
1.4 |
|
1.4 |
|
2.4 |
|
0.5 |
|
0.5 |
|
0.8 |
|
| SS (mg/l) |
1 |
|
2 |
|
7 |
|
1 |
|
< 1 |
|
3 |
|
| 大腸菌群数 (MPN/100ml) |
3.3E+02 |
|
7.9E+02 |
|
2.7E+04 |
|
6.8E+02 |
|
3.3E+02 |
|
7.9E+02 |
|
| カドミウム (mg/l) |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
| 鉛 (mg/l) |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
| 砒素 (mg/l) |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
0.007 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
| 総水銀 (mg/l) |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
< 0.0005 |
| アルキル水銀 (mg/l) |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
N |
| 透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |