NCG030212 DMR SW (16)

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Sheet SWsamplesFeb92015 xls xls
Printed 2/26/2015 315 PM
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Stormwater Sampling Summary .` / / j / `
Preciprtahon Data for 2-9-15 Stormwater Samplina
Event
Stormwater General Permit #NCG030212`Vr
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Prysmian Cables and Systems USA, LLC
Rain Gauae
Time
—o
900
030
n
1100
N i 40.0_F_€bury 2015 S ulna Event
0501
50
in
1200
No measurable amount of rain in the the previous 72+ hour period
070
in
1300
Rain began around 9 30am on Monday February 9, 2015
076
in
1330
Massuretl 1 1 Inches of rainfall at 2 OOpm and began taking samples at 2 OOpm
110
in
1400
Measured 1 1 mch rainfall at 2 30pm
Grab samples representing first Ocw from stormwater outfalls were collected between 2 OOpm and 2 30pm
Total rainfall for storm measured 1 1 Inches between 9 30am and 2 OOpm Significant rainfall accumulation ended at 2 OOpm
Stormwater samples were shipped to Prism Labs, Inc on Monday February 9, 2015
Stormwater discharge volume from Rational method O = CIA, in Mgal (C factor x in rain x acres x 1/12 it perm x 43560 112 per acre x 7 48052
gal per 113 x 1110E6)
Analytical Results'
E
E
E
E
E
Weighted C Factor
Total Flow for
Non -Polar Oil 8
Drainage
from Is. 2002 SW
1 0 Inch rain,
Grease, TPH by EPA
Total Lead,
.E!
y_
Total Susp
pH Field, std pH Lab, std
Total
Sample ID Data Time Collected B Location Sample Notes Area acres
Ma
Mqal
Labr
1664 m /l
Co er m /l
m /l
Zincm /I
Salida m /l
units units
Rainfall
Stormwater Permit Cut-off Concentrations
5 in
.0tr7,Img7Law'
0033mtl/lt
,O6'F+ni- L
q0 mp"1(
fi 0-9 0
SDO-001 09-1`eb-15 1244 RM SDO 0001 at retention basin 2311
070
048
Prism Lab
<15
50
<007
So
<033
5 0
fi;'2 100
38
WA 73
05
so
discharge
SDO-002 09-Fcb-15 1221 RM SDO #002 A,B 8 C at silt berm 608
060
Oil
Prism Lab
<15
50
< 007
50
< 033
so
0 -`Ls 100
89
WA 73
05
50
discharge below SCR area and
retention basin
SDO-002D 09 -Feb -SS 1230 RM SOO #002D at outfall below 572
043
007
Prism Lab
-16
_
so
< 007
50
< 033
50
0 042 100
66
N/A 68
05
so
SW corner of bulk gas yard
SOO-003A 09 -Feb -SS 1236 RM SDO #003A -In ddch below 782
067
016
Prism Lab
<15
5o
<007
50
<033
50
tU17 100
11
NA 62
05
50
confluence of storm drains
from West Lawn Area
SDO-005 09 -Feb -15 1250 RM SDO #005 - Discharge at 782
026
006
Prism Lab
<15
5 0
-007
5 0
< 033
50
100
9 3
NA 67
0 5
5 0
Uoper East Parkinq Area
'Outlined and shaded cells indicate concentrations exceedinq permit cut -,l concentrations
NA- Not Analyzed
ND - Not Detected at
or above
laboratory reporting limit
'Laboratories Prism Labs - Prism Labs Inc , 449 Sprinqbrook Rd, Charlotte, NC, 282170 NC Lab 9402
NR - Not Reported
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