NCS000040 DMR SW (6)

Additional Outfall Attachment
Outfall No. _SWO04
Is this outfall currently in Tier 2 (monitored monthly)? Yes ® No ❑
Was this outfall ever in Tier 2 (monitored monthly) during the past year? Yes ❑ No
If this outfall was in Tier 2 last year, why was monthly monitoring discontinued?
Enough consecutive samples below benchmarks to decrease frequency ❑
Received approval from DWQ to reduce monitoring frequency ❑
Other ❑
Was this SDO monitored because of vehicle maintenance activities? Yes ❑ No
0 * = Values for copper and zinc are net deductions from sample analytical results from upgradient outfall SW -003
SW U-264-Generic-25May2010
Total
Rainfall,
inches
inches
Oil and
Grease
(mg/L)
Chromium
lug/L)
Total
Kjeldahl
Ni
Copper
(uglL)
Parameter, (units)
Lead Nickel Zinc Phenol
(ug/L) (ug/L) (ug/L) (mg/L)
Total pH
Suspended (s.u.)
Solids (TSS)
(m /L)
Chemical
Oxygen
Demand
(mg/L)
Benchmark
Date Sample
Collected,
mm/dd/yy
5/15/2014
N/A
2.11
30
ND
1000
ND
20
3.2
7
0.0*
30
6.0
260
ND
67
82.1*
4.5
0.13
100
29.2
6-9
7.1
120
26.0
7/21/2014
1.30
ND
ND
ND
0.0*
2.4*
ND
185.5*
0.026
0.9*
7.1
72.0
9/24/2014
0.19
N D
6.2
N D
15.5*
23.4
5.2
345.2*
0.06
55.4
6.9
27.0
11/17/14
0.67
ND
ND
0.38*
4.1*
10.1*
ND
154.7*
0.018*
15.8*
6.9
0.0
12/16/14
0.11
ND
ND
1.1
3.6*
19.6
17.5
190.5*
0.057
36.0
7.1
85.0
1/12/15
0.82
ND
ND
ND
0.0*
ND
ND
19.7*
ND
ND
7.7
ND
0 * = Values for copper and zinc are net deductions from sample analytical results from upgradient outfall SW -003
SW U-264-Generic-25May2010

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