NCG020330_DMR_20200603 (2)

i STORMWATER DISCHARGE OUTFALL (SDO)
MONITORING REPORT
Permit Number NCG 020330 SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report shall be received by the Division no later than 30 days from
the date the facility receives the sampling results from the laboratory.)
FACILITY NAME 3M Pittsboro COUNTY Chatham
PERSON COLLECTING SAMPLE(S) Stanley B. Carter PHONE NO. (_919_) 6424009
CERTIFIED LABORATORY(S) Pace Lab # 67
Lab # 40
SIGNATURE OF PERMITTEE OR DESIGNEE
REOUIRED ON PAGE 2.
Part A: Specific Monitoring Requirements
Outfall
No.
Date
Sample
Collected
50050
00530
00076
00545
00400
Total
Flow (if app.)
Total
Rainfall
Total
Suspended
Solids
Turbidity
(NTU)
Settleable
Solids
pH
standard units
mo/dd/ r
MMG
inches
MRA
MVI
6-9
002
5/18/2020
1.203
1.06
13.4
21.4
ND
�t
004
1 5/18/2020
1 0.277
1.06
1 9.0
1 4.1
1 ND
005
5/18/2020
1.373
1 1.06
4.8
6.3
ND
JUN 16 2020
FILL, -
Does this facility perform Vehicle Maintenance Activities using more than 55 gallons of new motor oil per month? _X_ yes _no
(if yes, complete Part B)
Part B: Vehicle Maintenance Activitv Monitoring Requirements
Outfall
No.
Date
Sample
Collected
50050
00556
00530
00400
Total Flow
(if applicable)
Total
Rainfall
Oil & Grease
(if appl.)
Non -polar
O&G/TPH
(Method 1664
SGT-HEM), if
appl.
Total
Suspended
Solids
pH
New Motor
Oil Usage
mo/dd/ r
MG
inches
m
myA
unit
gal/mo
006
5/18/2020
0.052
1.06
ND
ND
7.01
113
Form SWU-247, last revised 21212012
Page 1 of 2

STORM EVENT CHARACTERISTICS:
Mail Original and one copy to:
Division of Water Quality
Date 5/18/2020 Attn: Central Files
Total Event Precipitation (inches): 1.06 1617 Mail Service Center
Event Duration (hours): (only if applicable — see permit.) Raleigh, North Carolina 27699-1617
(if more than one storm event was sampled)
Date
Total Event Precipitation (inches):
Event Duration (hours): (only if applicable — see permit.)
"I certify, under penalty of law, that this document and all attachments were prepared under my direction or supervision in accordance with a
system designed to assure that qualified personnel properly gather and evaluate the information submitted. Based on my inquiry of the person
or persons who manage the system, or those persons directly responsible for gathering the information, the information submitted is, to the
best of my knowledge and belief, true, accurate, and complete. I am aware that there are significant penalties for submitting false information,
including the possibility of fines and imerisonment for knowing violations."
of Permittee)
Z�
(Date)
Form S WU-247, last revised 21212012
Page 2 of 2