測定対象
| 地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
| 22103 |
来内川 |
Ｌ-21 |
|
測定結果
| 採取年月日 |
2005.04.13 |
2005.05.11 |
2005.06.01 |
2005.07.06 |
2005.08.03 |
2005.09.12 |
2005.10.05 |
2005.11.02 |
2005.12.07 |
2006.01.11 |
2006.02.01 |
2006.03.01 |
| 採取時刻 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
1200 |
| 水温 (℃) |
5.7 |
9 |
12 |
12.8 |
17 |
15.2 |
13.2 |
7.8 |
3.3 |
1.3 |
0.2 |
2.1 |
| 採取水深 (m) |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
| pH |
7.4 |
7.4 |
7.3 |
7.2 |
7.2 |
7.4 |
7.1 |
7.3 |
7.3 |
7.3 |
7.4 |
7.3 |
| DO (mg/l) |
11 |
10 |
10 |
8.8 |
9.1 |
9.4 |
9.1 |
11 |
12 |
12 |
12 |
12 |
| BOD (mg/l) |
0.9 |
1.2 |
1.2 |
0.7 |
0.7 |
< 0.5 |
0.7 |
1 |
1.1 |
0.9 |
1.3 |
0.8 |
| COD (mg/l) |
2.1 |
2.2 |
2.2 |
2.5 |
2.2 |
1.7 |
1.6 |
1.3 |
1.2 |
1.3 |
1.5 |
2 |
| SS (mg/l) |
3 |
2 |
2 |
1 |
3 |
2 |
2 |
< 1 |
< 1 |
1 |
< 1 |
4 |
| 大腸菌群数 (MPN/100ml) |
170 |
700 |
1300 |
7900 |
13000 |
7900 |
3300 |
1100 |
330 |
240 |
130 |
240 |
| 全窒素 (mg/l) |
0.33 |
0.71 |
0.42 |
0.42 |
0.43 |
0.14 |
0.25 |
0.33 |
0.32 |
0.31 |
0.4 |
0.52 |
| 全燐 (mg/l) |
0.023 |
0.028 |
0.043 |
0.038 |
0.031 |
0.081 |
0.024 |
0.019 |
0.016 |
0.016 |
0.014 |
0.019 |
| カドミウム (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
| 全シアン (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
|
| 鉛 (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| 六価クロム (mg/l) |
|
|
|
|
< 0.02 |
|
|
|
|
|
|
|
| 砒素 (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
| 総水銀 (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
| アルキル水銀 (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
|
| PCB (mg/l) |
|
|
|
|
N |
|
|
|
|
|
|
|
| ジクロロメタン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| 四塩化炭素 (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
| 1,2-ジクロロエタン (mg/l) |
|
|
|
|
< 0.0004 |
|
|
|
|
|
|
|
| 1,1-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| シス-1,2-ジクロロエチレン (mg/l) |
|
|
|
|
< 0.004 |
|
|
|
|
|
|
|
| 1,1,1-トリクロロエタン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
| 1,1,2-トリクロロエタン (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
| トリクロロエチレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| テトラクロロエチレン (mg/l) |
|
|
|
|
< 0.0005 |
|
|
|
|
|
|
|
| 1,3-ジクロロプロペン (mg/l) |
|
|
|
|
< 0.0002 |
|
|
|
|
|
|
|
| チウラム (mg/l) |
|
|
|
|
< 0.0006 |
|
|
|
|
|
|
|
| シマジン (mg/l) |
|
|
|
|
< 0.0003 |
|
|
|
|
|
|
|
| チオベンカルブ (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| ベンゼン (mg/l) |
|
|
|
|
< 0.001 |
|
|
|
|
|
|
|
| セレン (mg/l) |
|
|
|
|
< 0.002 |
|
|
|
|
|
|
|
| クロロフィル-a (ug/l) |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
< 1 |
| プランクトン(優占種) |
|
Navicula s |
Nitzschia |
Navicula s |
Navicula s |
Chlamydomo |
ツメケイソ |
|
|
|
|
|