| Site 14: Entrado Rd. - culvert 0.14 |
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| DATE: |
7/26/99 |
7/31/99 |
8/28/99 |
8/30/99 |
9/25/99 |
9/27/99 |
10/23/99 |
date |
10/26/99 |
11/8/99 |
11/20/99 |
11/22/99 |
12/16/99 |
date |
12/18/99 |
1/22/00 |
1/24/00 |
2/26/00 |
2/28/00 |
date |
3/25/00 |
3/27/00 |
4/29/00 |
5/1/00 |
date |
5/20/00 |
5/22/00 |
6/24/00 |
6/26/00 |
7/22/00 |
date |
7/24/00 |
8/28/00 |
9/25/00 |
10/27/00 |
10/27/00 |
11/25/00 |
11/27/00 |
12/16/00 |
12/18/00 |
date |
1/20/01 |
1/22/01 |
2/24/01 |
2/26/01 |
3/24/01 |
3/26/01 |
4/14/01 |
4/16/01 |
5/19/01 |
5/21/01 |
|
| CALIBRATIONSн CONDUCTED: |
all meters |
all meters |
all meters |
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all meters |
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all meters |
meters |
|
all meters |
|
meters |
all meters |
all meters |
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all meters |
|
meters |
all meters |
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all meters |
|
meters |
all meters |
|
all meters |
|
all meters |
meters |
|
all meters |
|
all meters |
1st flush |
all meters |
|
all meters |
|
meters |
mtrs nd elect |
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|
|
all meters |
|
all |
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|
| WATER CONDITIONS:нн calmннннннн ripplesннннн waves |
calm |
calm |
calm |
|
calm |
|
calm |
water |
|
water |
calm |
calm |
|
calm |
|
water |
calm |
|
trickle |
|
water |
trickle |
|
ponded |
|
trickle |
water |
|
trickle |
trickle |
steady |
|
trickle |
|
ponded |
|
water |
steady |
|
steady |
|
steady |
|
steady |
|
trickle |
|
| WIND FACTORннннннн mph / DIRECTIONн |
light |
light |
none |
|
slight, N |
|
none |
wind |
|
none |
|
wind |
none |
none |
|
none |
|
wind |
E <15mph |
|
none |
|
wind |
none |
|
none |
|
none |
wind |
|
none |
none |
none |
|
none |
|
none |
|
wind |
none |
|
|
none |
|
none |
|
none |
|
| WEATHER:н |
clear, dry |
clear, dry |
clear, dry |
|
clear, dry |
|
clear, dry |
weather |
|
wet, clear |
wet, drizzle |
|
weather |
clear, dry |
cloudy, dry |
|
dry, clear |
|
weather |
dry, clear |
|
dry, clear |
|
weather |
dry, clear |
|
dry, clear |
|
dry, clear |
weather |
|
dry,clear |
dry, clear |
wet, clear |
|
dry, clear |
|
dry, clear |
|
weather |
dry,clear |
|
wet,rain |
|
foggy |
|
dry clear |
|
dry, foggy |
|
| TIME: |
13:25 |
11:50 |
9:15 |
12:45 |
11:45 |
15:10 |
10:00 |
time |
14:55 |
14:15 |
11:42 |
13:05 |
14:20 |
time |
9:40 |
9:55 |
14:05 |
10:37 |
13:15 |
time |
11:02 |
13:30 |
10:46 |
|
time |
9:40 |
|
9:30 |
13:05 |
9:45 |
time |
|
1348 |
0:00 |
9:00 |
|
10:10 |
12:40 |
9:30 |
12:15 |
time |
10:52 |
10:57 |
11:36 |
|
10:00 |
|
10:00 |
11:19 |
10:00 |
|
| OBSERVER/S: |
DLow |
DLow |
SMorrison |
DLow |
DLow |
DLow |
RDagit |
observers |
DLow |
DLow |
S Morrison |
DLow |
D Low |
observers |
S Morrison |
D Low |
D Low |
Upper |
R Dagit |
observers |
Upper |
Rdagit |
Upper |
|
observers |
Upper |
|
Upper |
|
Upper |
observers |
|
Dlow |
Hrose |
Rosi |
|
Upper |
|
Upper |
|
observers |
Hrose |
Hrose |
Rdagit |
Rdagit |
Rdagit |
Rdagit |
Rdagit |
Rdagit |
rdagit |
|
| RECORDER: |
JRosa |
JRosa,SMorrison |
DLow |
JRosa |
JRosa, TBrady,CVSchaak, Jim |
JRosa |
Shannon,Penny,Gerlinda,Kevin |
recorders |
JRosa |
JRosa |
Jim, Terry |
JRosa |
J Rosa |
recorders |
D Low |
нUpper Team |
J Rosa |
Team |
H Rose |
recorders |
Team |
Hrose |
Team |
|
recorders |
Team |
|
Team |
|
Team |
recorders |
|
|
Dona |
|
Team |
|
Team |
|
recorders |
Dchristianson |
Delmar |
|
Gganty |
|
Swilliams |
|
Swilliams |
|
| AIR TEMPERATURE |
30 |
27 |
21.5 |
|
21 |
|
13 |
air T, 'C |
|
18 |
17 |
|
air T, 'C |
9 |
10 |
|
12 |
|
air T, 'C |
24 |
|
19 |
|
air T, 'C |
26 |
|
24 |
|
26 |
air T, 'C |
|
26 |
NM |
14 |
|
15 |
|
12 |
|
air T, 'C |
15 |
|
7 |
|
16 |
|
17 |
|
18 |
|
| SALINITYннннннн PPT |
0 |
0 |
2 |
|
0 |
|
2 |
salinity |
|
1 |
2 |
|
salinity |
1 |
1 |
|
0 |
|
salinity |
0 |
|
0 |
|
salinity |
0 |
|
4 |
|
12 |
salinity |
|
2 |
NM |
2 |
|
2 |
|
4 |
|
salinity |
3 |
|
4 |
|
2 |
|
4 |
|
2 |
|
| CONDUCTIVITY mS (3digits 0.00)
or uS (4 digits 0000) |
NM |
2.72 |
2.83 |
|
2.75 |
|
28.30 |
conductivity |
|
2.68 |
2.56 |
|
conductivity |
2.44 |
2.70 |
|
2.50 |
|
conductivity |
3.09 |
|
2.95 |
|
conductivity |
2.89 |
|
3.20 |
|
4.00 |
conductivity |
|
NM |
NM |
2.34 |
|
2.85 |
|
2.75 |
|
conductivity |
NM |
|
2.41 |
|
3.34 |
|
3.34 |
|
2.55 |
|
| pH |
8.2 |
NM |
8.1 |
|
8.2 |
|
7.5 |
pH |
|
8.1 |
8 |
|
pH |
8.3 |
8.1 |
|
7.6 |
|
pH |
7.5 |
|
7.5 |
|
pH |
7.6 |
|
7.9 |
|
8.5 |
pH |
|
7.8 |
7.8 |
7.5 |
|
7.5 |
|
7.5 |
|
pH |
7, paper |
|
7.7 |
|
7.6 |
|
7.5 |
|
7.7 |
|
| WATER TEMPERATUREнннннн DEGREES Cн |
24 |
17.5 |
17 |
|
18 |
|
13 |
water T, 'C, top |
|
15 |
14 |
|
water T, 'C, top |
11 |
12 |
|
12 |
|
water T, 'C, top |
14 |
|
16.2 |
|
water T, 'C, top |
17.9 |
|
19 |
|
19 |
water T, 'C, top |
|
21 |
23 |
14 |
|
10 |
|
9 |
|
water T, 'C, top |
10.2 |
|
8.8 |
|
12 |
|
10 |
|
16 |
|
| TOTAL SUSPENDED SOLIDS lab
units = mg/l, MRL=4.0 |
13 |
na |
na |
48 |
na |
9 |
na |
total sus. solids |
54 |
38 |
na |
150 |
160 |
total sus. solids |
na |
na |
72 |
na |
350 |
total sus. solids |
na |
15 |
na |
lab lost data |
total sus. solids |
na |
25 |
na |
10 |
na |
total sus. solids |
ND |
<10 |
11 |
na |
57 |
na |
35 |
na |
93 |
total sus. solids |
na |
43 |
na |
20 |
na |
14 |
na |
12 |
na |
42 |
|
| TOTAL COLIFORMн lab units = MPNM, MRL=2.0 |
1300 |
na |
na |
2200 |
na |
3000 |
na |
total coliform |
3000 |
300,000 |
na |
1700 |
3000 |
total coliform |
na |
na |
700 |
na |
240000 |
total coliform |
na |
1300 |
na |
lab lost data |
total coliform |
na |
17000 |
na |
17000 |
na |
total coliform |
16000 |
24000 |
16000 |
na |
50 |
na |
13000 |
na |
17000 |
total coliform |
na |
5000 |
na |
9000 |
na |
2200 |
na |
9000 |
na |
14000 |
|
| TOTAL FECAL COLIFORMн lab units = MPNM, MRL=2.0 |
1300 |
na |
na |
50 |
na |
220 |
na |
total fecal coliform |
50 |
30,000 |
na |
300 |
130 |
total fecal coliform |
na |
na |
23 |
na |
240000 |
total fecal coliform |
na |
4 |
na |
lab lost data |
total fecal coliform |
na |
11000 |
na |
1300 |
na |
total fecal coliform |
500 |
8000 |
130 |
na |
<2.0 |
na |
500 |
na |
900 |
total fecal coliform |
na |
24000 |
na |
500 |
na |
800 |
na |
19 |
na |
300 |
|
| E. coliннн lab units = MPNM, MRL=2.0 |
1300 |
na |
na |
50 |
na |
220 |
na |
E.coli |
50 |
30,000 |
na |
300 |
130 |
E.coli |
na |
na |
23 |
na |
240000 |
E.coli |
na |
4 |
na |
lab lost data |
E.coli |
na |
11000 |
na |
1300 |
na |
E.coli |
500 |
8000 |
130 |
na |
<2.0 |
na |
500 |
na |
280 |
E.coli |
na |
800 |
na |
500 |
na |
800 |
na |
16 |
na |
300 |
|
| METALS (Lead, nickel, copper,
chromium, zinc) lab units =?? |
na |
na |
na |
|
na |
|
na |
metals |
|
see below |
na |
na |
na |
metals |
na |
na |
na |
na |
na |
metals |
na |
|
na |
|
metals |
na |
|
na |
na |
na |
metals |
|
na |
na |
na |
|
na |
|
na |
|
metals |
na |
na |
na |
na |
na |
|
na |
|
na |
|
| DISSOLVED OXYGEN - Topнннн mg/l (meter) or ppm (kit) |
4.6 |
6.58 |
3.57 |
|
2.75 |
|
5 |
DO, top |
|
5.8 |
na |
|
DO, top |
1.4 |
6.8 |
|
7.06 |
|
DO, top |
9.45 |
|
7.8 |
|
DO, top |
4.75 |
|
4.1 |
|
9.75 |
DO, top |
|
5.8 |
8.4 |
9 |
|
0.78 |
|
NM |
|
DO, top |
3.09 |
|
12.5 |
|
8 |
|
8 |
|
8.5 |
|
| WATER DEPTHнннн cm |
15 |
8 |
4.5 |
|
9.4 |
|
5 |
water depth, cm |
|
11.5 |
3 |
|
water depth, cm |
4.5 |
4 |
|
10.5 |
|
water depth, cm |
13.4 |
|
12.1 |
|
water depth, cm |
14.2 |
|
12 |
|
10 |
water depth, cm |
|
8 |
NM |
3 |
|
15 |
|
8.5 |
|
water depth, cm |
9.6 |
|
8 |
|
9 |
|
10.5 |
|
2 |
|
| SAMPLE DEPTHнн cm |
5 |
5 |
3 |
|
5 |
|
5 |
sample depth |
|
3 |
1 |
|
sample depth |
3 |
4 |
|
5 |
|
sample depth |
5 |
|
5 |
|
sample depth |
5 |
|
5 |
|
5 |
sample depth |
|
5 |
5 |
3 |
|
5 |
|
5 |
|
sample depth |
5 |
|
5 |
|
5 |
|
5 |
|
2 |
|
| TURBIDITYннннннннннн NTU |
n/a |
4.64 |
8.2 |
|
8.08 |
|
63 |
turbidity |
|
1.2 |
7.2 |
|
turbidity |
19.1 |
1.95 |
|
41.9 |
|
turbidity |
1.3 |
|
1.6 |
|
turbidity |
2.98 |
|
0.93 |
|
2.59 |
turbidity |
|
0.78 |
0.75 |
3.75 |
|
2.69 |
|
2.4 |
|
turbidity |
34.7 |
|
2.29 |
|
1.01 |
|
1.07 |
|
0.96 |
|
| FREE CHLORINE, ppm |
na |
na |
na |
|
na |
|
na |
chlorine |
|
na |
na |
|
chlorine |
na |
na |
|
na |
|
chlorine |
na |
|
na |
|
chlorine |
na |
|
na |
|
na |
chlorine |
|
na |
na |
na |
na |
na |
|
na |
|
chlorine |
na |
|
|
|
na |
|
na |
|
na |
|
| AMMONIA
(as Nitrogen)нн ppm (kit);н lab units = ??ннннннн |
NM |
0.00 |
0.00 |
|
0.00 |
|
0.10 |
NH3 |
|
0.50 |
0.05 |
|
NH3 |
0.05 |
0.00 |
|
0.25 |
|
NH3 |
0.00 |
ND |
0.00 |
|
NH3 |
0.00 |
|
0.00 |
|
0.00 |
NH3 |
|
NM |
0.00 |
0.50 |
1.52 |
0.25 |
|
*.1 |
|
NH3 |
0.25 |
|
0.00 |
|
0.00 |
|
0.00 |
|
0.05 |
|
| NITRATES
(as Nitrogen) ppm (kit);н lab units =
??нннннннннн |
NM |
2.00 |
2.50 |
|
2.00 |
|
2.00 |
NO2 |
|
4.00 |
3.00 |
|
NO2 |
2.00 |
2.00 |
|
2.00 |
|
NO2 |
2.00 |
0.67 |
3.00 |
|
NO2 |
2.00 |
|
0.00 |
|
4.00 |
NO2 |
|
2.00 |
0.00 |
3.00 |
1.12 |
1.00 |
|
3.00 |
|
NO2 |
2.00 |
|
0.00 |
|
1.00 |
|
0.00 |
|
1.00 |
|
| PHOSPHATES
microoganisms/L (lab) or Orthophosphatesн
ppm (kit) |
NM |
0.00 |
0.00 |
|
0.00 |
|
0.10 |
PO4 |
|
0.00 |
0.00 |
|
|
PO4 |
0.05 |
0.00 |
|
0.20 |
0.50 |
PO4 |
0.00 |
0.051 |
0.00 |
|
PO4 |
0.00 |
|
0.00 |
|
0.00 |
PO4 |
|
0.00 |
0.10 |
0.20 |
0.51 |
0.40 |
|
0.10 |
|
PO4 |
0.40 |
|
0.30 |
|
0.00 |
|
0.00 |
|
0.20 |
|
|
|
|
|
|
| FLOW |
steady |
steady |
trickle |
|
trickle |
|
none |
flow |
|
trickle |
none |
|
flow |
trickle |
trickle |
|
steady |
|
flow |
trickle |
|
trickle |
|
flow |
trickle |
|
none |
|
flow |
|
trickle |
trickle |
steady |
|
trickle |
|
ponded |
|
flow |
steady |
|
steady |
|
steady |
|
steady |
|
trickle |
|
| DOMINANT SUBSTRATE |
sandy,rocks,silt |
sandy,rocks,silt |
sandy,rocks,silt |
|
sandy,rocks,silt |
|
sandy,rocks,silt |
substrate |
|
sandy,rocks,silt |
concrete,rocks,silty/clay |
|
substrate |
concrete,rocks,silty/clay |
concrete,rocks,silty/clay |
|
concrete,rocks,silty/clay |
|
substrate |
concrete,rocks,silt |
|
concrete,rocks,silt |
|
substrate |
concrete,rocks,silt |
|
concrete,rocks,silt |
|
concrete,rocks,silt |
substrate |
|
|
concrete,rocks,silt |
|
concrete,rocks,silt |
|
concrete,rocks,silt |
|
substrate |
concrete,rocks,silt |
|
concrete,rocks |
|
rocks |
|
rock,sand |
|
rocks |
|
| WATER COLOR |
colorless |
colorless |
brownish |
|
colorless |
|
brownish |
color |
|
brownish |
colorless |
|
color |
brownish |
brownish |
|
colorless |
|
color |
colorless |
|
colorless |
|
color |
brownish |
|
brownish |
|
colorless |
color |
|
colorless |
colorless |
brownish |
|
colorless |
|
colorless |
|
color |
brownish |
|
brownish |
|
colorless |
|
colorless |
|
colorless |
|
| WATER SMELL |
none |
none |
none |
|
none |
|
perfumy |
smell |
|
none |
sewage,fishy |
|
smell |
musty |
none |
|
none |
|
smell |
none |
|
sewage |
|
smell |
none |
|
sewage,musty |
|
musty |
smell |
|
none |
none |
none |
|
musty,sewage |
|
musty |
|
smell |
sewage |
|
sewage |
|
sewage |
|
sewage,musty |
|
none |
|
| OIL |
none |
none |
light sheen |
|
none |
|
none |
oil |
|
none |
light sheen |
|
oil |
none |
none |
|
none |
|
oil |
none |
|
light sheen |
|
oil |
light sheen |
|
light sheen |
|
very lt sheen |
oil |
|
none |
none |
none |
|
none |
|
none |
|
oil |
none |
|
0 |
|
none |
|
none |
|
none |
|
| FOAM |
none |
none |
none |
|
none |
|
none |
foam |
|
none |
none |
|
foam |
none |
some |
|
none |
|
foam |
none |
|
<.5"high |
|
foam |
none |
|
none |
|
none |
foam |
|
none |
none |
none |
|
none |
|
none |
|
foam |
none |
|
0 |
|
none |
|
none |
|
none |
|
| ALGAE (% COVERAGE) |
20% |
25-50% |
<5% |
|
<5% |
|
none |
algae % |
|
<5% |
noen |
|
algae % |
none |
<5% |
|
<5% |
|
algae % |
25-50% |
|
>50% |
|
algae % |
25-50% |
|
none |
|
5-25% |
algae % |
|
5-25% |
25-50% |
none |
|
<5% |
|
>50% |
|
algae % |
none |
|
0 |
|
none |
|
25-50% |
|
25-50% |
|
| MAIN ALGAE TYPE |
attached |
attached |
attached |
|
attached |
|
na |
algae type |
|
attached |
na |
|
algae type |
na |
floating |
|
attached |
|
algae type |
1,3 |
|
attached,float. |
|
algae type |
attached |
|
na |
|
attached |
algae type |
|
attached |
attached |
none |
|
attached |
|
attached |
|
algae type |
none |
|
na |
|
na |
|
attached |
|
attached, grn& brn |
|
| TAR BALLS |
none |
none |
none |
|
none |
|
none |
tar balls |
|
none |
none |
|
tar balls |
none |
none |
|
none |
|
tar balls |
none |
|
none |
|
tar balls |
none |
|
none |
|
none |
tar balls |
|
none |
none |
none |
|
none |
|
none |
|
tar balls |
none |
|
na |
|
na |
|
na |
|
na |
|
| TRASH (# OF PIECES) |
none |
1-5 pieces |
1-5 pieces |
|
1-5 pieces |
|
6-10 pieces |
trash # |
|
<5 pieces |
6-10 pieces |
|
trash # |
<5 pieces |
<5 pieces |
|
<5 pieces |
|
trash # |
<5 pieces |
|
none |
|
trash # |
<5 pieces |
|
none |
|
<5pieces |
trash # |
|
none |
none |
none |
|
<5pieces |
|
none |
|
trash # |
none |
|
<5 |
|
none |
|
mod 6-10 |
|
<5 |
|
| TRASH TYPE |
none |
organic,plastics |
recycleable |
|
plastics, recycleable |
|
80%recyclables,20%large items |
trash type |
|
plastics |
30%organic,70%plastics |
|
trash type |
plastics |
plastics |
|
plastics |
|
trash type |
plastics |
|
na |
|
trash type |
plastics |
|
na |
|
not described |
trash type |
|
|
na |
|
Not recorded |
|
na |
|
trash type |
na |
|
20% org, 80%plast |
|
na |
|
50-50 plas/rec |
|
100% recyc |
|
| NATURAL DEBRIS |
|
|
4 pieces wood |
|
|
|
leaves |
natural debris |
|
leaves, silt |
leaves |
|
|
natural debris |
leaves |
leaves |
|
|
|
natural debris |
|
|
|
|
natural debris |
leaves |
|
|
|
|
natural debris |
|
|
|
none |
|
na |
|
leaves |
|
natural debris |
|
|
|
|
na |
|
|
|
na |
|
|
|
|
|
|
| COMMENTS: |
7/26/99 |
7/31/99 |
8/28/99 |
8/30/99 |
9/25/99 |
9/27/99 |
10/23/99 |
|
10/26/99 |
11/8/99 |
11/20/99 |
11/22/99 |
12/16/99 |
|
12/18/99 |
1/22/00 |
1/24/00 |
2/26/00 |
2/28/00 |
|
3/25/00 |
|
4/29/00 |
5/1/00 |
|
5/20/00 |
|
6/24/00 |
|
7/22/00 |
|
|
10/27/00 |
|
11/25/00 |
|
12/16/00 |
|
|
1/20/01 |
|
2/24/01 |
|
3/24/01 |
|
4/14/01 |
|
bufo and hyre |
|
|
tadpoles |
tadpole, red |
|
Lots of |
Brushн piled |
|
Appearance |
|
Obvious |
RAIN EVENT |
Gas can on upper |
|
|
Lots of |
|
Rained slightly |
Culvert and |
|
|
|
aquatic insects |
lab lost data |
|
sewage/horse |
|
sedges growing |
|
men in creek |
|
|
1st flush |
|
slime on water |
|
|
|
smell unbearable |
|
water milky, smells |
|
no comments |
|
arundo stems |
|
tads |
|
|
|
dragonflies, |
|
dog poop |
near access; |
|
and consistency |
discharge from |
COLLECTION |
bank ner house. |
|
|
silt on the |
|
1/23/00 |
area scoured |
|
|
|
tadpoles |
|
|
manure smell in |
|
into channel |
|
clearer than last |
|
|
|
|
|
scum on water |
|
like sewage! |
|
|
pulled out |
|
|
|
|
water striders |
|
along road |
looks like fence |
|
of bacon grease |
upper culvert, |
rained evening |
Bottom silted |
|
|
bottom |
|
|
out by rain flush; |
|
|
|
area not in sample |
no active flow |
|
month |
|
|
|
|
|
surface |
|
|
|
|
of channel |
|
Hardness |
1484 |
|
| Cadmium, Total, ICAP/MS,н ug/l, MRL=0.5 |
|
of sewage from |
|
like gypsum |
cadmium |
concrete slurry |
ND |
|
cadmium |
|
|
cadmium |
|
4.5 |
|
cadmium |
recent paint spill |
area smells of |
|
cadmium |
|
|
<.50 |
|
cadmium |
|
|
|
|
total Ca |
430 |
|
| Chromium, Total, ICAP/MS,
ug/l, MRL=2.0 |
|
culvert, very |
|
chromium |
Also, large |
ND |
|
chromium |
|
|
chromium |
|
19 |
|
chromium |
|
sewage |
|
chromium |
|
|
2.7 |
|
chromium |
|
|
|
|
total Mg |
100 |
|
| Copper, Total, ICAP/MS, ug/l,
MRL=2.0 |
|
strong NH3 odor |
|
copper |
road "cone" in |
4.8 |
|
copper |
|
|
copper |
|
35 |
|
copper |
|
copper |
|
|
8 |
|
copper |
|
|
|
|
|
| Nickel, Total, ICAP/MS, ug/l,
MRL=5.0 |
|
from corrals; |
|
nickel |
water and looks |
34 |
|
nickel |
|
|
nickel |
|
70 |
|
nickel |
|
nickel |
|
|
27 |
|
nickel |
|
|
|
|
|
| Lead, Total, ICAP/MS, ug/l,
MRL=0.5 |
|
water striders |
|
lead |
like manure is |
ND |
|
lead |
|
|
lead |
|
17 |
|
lead |
|
lead |
|
|
1.3 |
|
lead |
|
|
|
|
|
| Zinc, Total, ICAP/MS, ug/l,
MRL=6.0 |
|
|
zinc |
being pushed |
23 |
|
zinc |
|
|
zinc |
|
120 |
|
zinc |
|
zinc |
|
|
36 |
|
zinc |
|
|
|
|
|
|
|
|
|
toward the creek |
|
|
|
|
|
|
|
|
|
|
zinc |
|
|
|
|
|
|
|
|
|
from nearby |
Corral fencing |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
corrals |
seems toн begone |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(for repair?) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sediment layer |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
is 9.0 cm of the |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
11.5 cm depth |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|