測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 06001 |
胆沢川上流 |
前川橋 |
AA |
測定結果
| 採取年月日 |
1994.04.25 |
1994.05.18 |
1994.06.08 |
1994.07.13 |
1994.08.17 |
1994.09.21 |
1994.10.12 |
1994.11.09 |
1994.12.14 |
| 採取時刻 |
1000 |
1035 |
1040 |
1050 |
1015 |
1130 |
1040 |
1020 |
1045 |
| 天候 |
晴れ |
晴れ |
晴れ |
晴れ |
曇り |
曇り |
雨 |
晴れ |
晴れ |
| 気温 (℃) |
13.0 |
16.0 |
22.0 |
24.0 |
24.0 |
21.0 |
15.0 |
10.0 |
5.0 |
| 水温 (℃) |
6.0 |
8.0 |
13.0 |
18.0 |
22.0 |
16.0 |
12.0 |
5.0 |
1.0 |
| 流量 (m3/s) |
13.17 |
7.32 |
.85 |
1.26 |
.00 |
.85 |
.74 |
.07 |
1.57 |
| pH |
7.2 |
7.3 |
7.6 |
7.7 |
7.9 |
7.5 |
7.6 |
7.5 |
7.3 |
| DO (mg/l) |
12.0 |
12.0 |
10.0 |
9.2 |
8.2 |
9.1 |
10.0 |
12.0 |
13.0 |
| BOD (mg/l) |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
< 0.5 |
| COD (mg/l) |
0.5 |
1.1 |
0.8 |
0.5 |
0.5 |
0.9 |
0.7 |
1.0 |
0.7 |
| SS (mg/l) |
3 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
1 |
| 大腸菌群数 (MPN/100ml) |
0.0E+00 |
2.0E+00 |
4.5E+00 |
3.3E+01 |
1.7E+02 |
1.3E+02 |
4.9E+01 |
7.8E+00 |
3.3E+01 |
| 全窒素 (mg/l) |
|
0.16 |
|
0.23 |
|
0.46 |
|
0.11 |
|
| 全燐 (mg/l) |
|
0.005 |
|
0.004 |
|
0.003 |
|
< 0.003 |
|
| カドミウム (mg/l) |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
< 0.001 |
|
| 全シアン (mg/l) |
|
N |
|
N |
|
N |
|
N |
|
| 鉛 (mg/l) |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
| 六価クロム (mg/l) |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
< 0.040 |
|
| 砒素 (mg/l) |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
< 0.005 |
|
| 総水銀 (mg/l) |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
< 0.0005 |
|
| 透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
|
|
|
|
|