測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 04602 |
雫石川上流 |
葛根田橋 |
A |
測定結果
| 採取年月日 |
1993.05.12 |
1993.07.07 |
1993.09.01 |
1993.11.17 |
1994.01.12 |
1994.03.02 |
| 採取時刻 |
1246 |
1200 |
1150 |
1150 |
1150 |
1158 |
| 天候 |
晴れ |
晴れ |
曇り |
晴れ |
晴れ |
晴れ |
| 気温 (℃) |
23.5 |
26.0 |
23.5 |
14.2 |
3.2 |
6.4 |
| 水温 (℃) |
12.5 |
18.0 |
15.0 |
11.0 |
4.9 |
5.4 |
| pH |
7.28 |
7.8 |
7.6 |
7.7 |
7.5 |
7.8 |
| DO (mg/l) |
10 |
9.6 |
9.7 |
11 |
13 |
12 |
| BOD (mg/l) |
< 0.5 |
0.7 |
< 0.5 |
0.6 |
0.6 |
0.8 |
| COD (mg/l) |
1.5 |
1.6 |
1.2 |
1.2 |
1 |
1.4 |
| SS (mg/l) |
13 |
4 |
3 |
1 |
1 |
7 |
| 大腸菌群数 (MPN/100ml) |
1.7E+03 |
2.7E+04 |
4.9E+04 |
4.9E+04 |
7.0E+04 |
4.6E+04 |
| 全窒素 (mg/l) |
0.21 |
|
|
|
|
|
| 全燐 (mg/l) |
0.012 |
|
|
|
|
|
| カドミウム (mg/l) |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
< 0.001 |
| |
N |
|
|
|
|
|
| 鉛 (mg/l) |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
| 六価クロム (mg/l) |
< 0.04 |
< 0.04 |
< 0.04 |
< 0.04 |
< 0.04 |
< 0.04 |
| 砒素 (mg/l) |
< 0.01 |
< 0.01 |
0.02 |
< 0.01 |
< 0.01 |
< 0.01 |
| 総水銀 (mg/l) |
< 0 |
< 0 |
< 0 |
< 0 |
< 0 |
< 0 |
| アルキル水銀 (mg/l) |
N |
N |
N |
N |
N |
N |
| 銅 (mg/l) |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
| 亜鉛 (mg/l) |
< 0.1 |
< 0.1 |
0.1 |
< 0.1 |
< 0.1 |
< 0.1 |
| 鉄(溶解性) (mg/l) |
2.2 |
2.3 |
1.7 |
0.8 |
0.4 |
< 0.4 |
| ふっ素 (mg/l) |
< 0.01 |
0.01 |
< 0.01 |
0.01 |
< 0.01 |
< 0.01 |