測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 20202 |
松川 |
松川橋 |
|
測定結果
| 採取年月日 |
1994.04.21 |
1994.05.11 |
1994.06.22 |
1994.07.06 |
1994.08.25 |
1994.10.04 |
1994.10.20 |
1994.11.28 |
1994.12.14 |
1995.01.18 |
1995.02.15 |
1995.03.01 |
| 採取時刻 |
0930 |
1025 |
1515 |
1007 |
0955 |
1158 |
1115 |
1005 |
1030 |
1009 |
1445 |
1020 |
| 天候 |
快晴 |
薄曇り |
快晴 |
薄曇り |
晴れ |
曇り |
曇り |
晴れ |
晴れ |
快晴 |
雪 |
曇り |
| 気温 (℃) |
13.0 |
21.5 |
26.0 |
27.0 |
27.5 |
17.5 |
16.0 |
10.0 |
12.0 |
3.0 |
3.0 |
11.0 |
| 水温 (℃) |
8.7 |
10.5 |
19.0 |
18.5 |
21.7 |
13.7 |
12.5 |
5.5 |
4.5 |
0.0 |
5.5 |
4.0 |
| pH |
7.4 |
7.2 |
7.2 |
7.1 |
7.9 |
7.3 |
7.2 |
7.0 |
7.8 |
7.3 |
7.7 |
7.5 |
| DO (mg/l) |
|
10.0 |
|
9.4 |
|
10.0 |
|
12.0 |
|
15.0 |
|
12.0 |
| BOD (mg/l) |
|
0.6 |
|
0.5 |
|
0.6 |
|
< 0.5 |
|
1.9 |
|
< 0.5 |
| SS (mg/l) |
|
7 |
3 |
2 |
3 |
2 |
5 |
2 |
1 |
2 |
4 |
5 |
| 大腸菌群数 (MPN/100ml) |
|
1.7E+02 |
|
1.1E+03 |
|
2.4E+03 |
|
1.7E+02 |
|
1.7E+03 |
|
1.3E+03 |
| 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 |
| 六価クロム (mg/l) |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
< 0.040 |
| 砒素 (mg/l) |
< 0.005 |
< 0.005 |
< 0.005 |
< 0.005 |
0.006 |
< 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 |
| 1,3-ジクロロプロペン (mg/l) |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
< 0.0002 |
| チウラム (mg/l) |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
< 0.0006 |
| シマジン (mg/l) |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
< 0.0003 |
| チオベンカルブ (mg/l) |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
< 0.002 |
| 銅 (mg/l) |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
| 亜鉛 (mg/l) |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
< 0.01 |
| 鉄(溶解性) (mg/l) |
0.34 |
0.19 |
0.43 |
0.40 |
0.38 |
0.06 |
0.15 |
0.05 |
0.07 |
< 0.04 |
< 0.04 |
< 0.04 |
| ふっ素 (mg/l) |
|
0.10 |
|
|
|
|
|
|
|
|
|
|
| EPN (mg/l) |
|
< 0.0006 |
|
|
|
|
|
|
|
|
|
|
| 透視度 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |
> 30 |