測定対象
地点統一番号 |
水域名 |
地点名 |
環境基準類型 |
00254 |
馬淵川上流 |
府金橋 |
A |
測定結果
採取年月日 |
1992.04.22 |
1992.05.20 |
1992.06.17 |
1992.07.15 |
1992.08.26 |
1992.09.16 |
1992.10.21 |
1992.11.04 |
1992.12.09 |
1993.01.20 |
1993.02.17 |
1993.03.10 |
採取時刻 |
1220 |
1230 |
1205 |
1250 |
1015 |
1100 |
1055 |
1105 |
1125 |
1105 |
1135 |
1050 |
天候 |
4 |
1 |
2 |
3 |
3 |
4 |
4 |
2 |
2 |
4 |
雪 |
4 |
気温 (℃) |
20.0 |
22.0 |
26.5 |
23.5 |
28.0 |
22.0 |
14.5 |
16.0 |
14.0 |
3.0 |
1.6 |
5.0 |
水温 (℃) |
9.0 |
15.0 |
18.3 |
22.4 |
23.2 |
17.6 |
11.9 |
9.4 |
8.4 |
1.9 |
1.4 |
4.2 |
pH |
7.2 |
8.1 |
8.5 |
8.4 |
7.9 |
7.8 |
7.9 |
7.8 |
7.5 |
7.5 |
7.2 |
7.3 |
DO (mg/l) |
10 |
10.2 |
10.2 |
8.9 |
8.2 |
9.5 |
10 |
11 |
11 |
13 |
13 |
13 |
BOD (mg/l) |
0.6 |
0.8 |
2.4 |
2.1 |
1.6 |
0.8 |
6.8 |
2.1 |
1.6 |
1.2 |
1.1 |
1.2 |
SS (mg/l) |
8 |
14 |
12 |
10 |
14 |
13 |
11 |
12 |
26 |
5 |
5 |
10 |
大腸菌群数 (MPN/100ml) |
3.50E+04 |
4.90E+03 |
4.90E+04 |
2.40E+05 |
9.20E+05 |
1.30E+05 |
2.20E+04 |
3.30E+04 |
2.40E+04 |
4.90E+03 |
4.90E+03 |
7.90E+03 |
全窒素 (mg/l) |
|
1 |
|
1.3 |
|
1.2 |
|
0.9 |
|
1.2 |
|
1.7 |
全燐 (mg/l) |
|
0.043 |
|
0.053 |
|
0.034 |
|
0.037 |
|
0.033 |
|
0.027 |
カドミウム (mg/l) |
|
|
|
|
|
< 0.005 |
|
|
|
|
|
|
全シアン (mg/l) |
|
|
|
|
|
N |
|
|
|
|
|
|
鉛 (mg/l) |
|
|
|
|
|
< 0.05 |
|
|
|
|
|
|
六価クロム (mg/l) |
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
砒素 (mg/l) |
|
|
|
|
|
< 0.02 |
|
|
|
|
|
|
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 |
トリクロロエチレン (mg/l) |
|
|
|
< 0.002 |
|
|
|
|
|
< 0.002 |
|
|
テトラクロロエチレン (mg/l) |
|
|
|
< 0 |
|
|
|
|
|
< 0 |
|
|