NCG140140_Monitoring Report_20211018

Harmon Environmental, PA
615 Bruce Thomas Road 704-2924527
Monroe, North Carolina 28112 hannonenvironmental.com
October 15, 2021
North Carolina Department of Environmental Quality
Division of Energy, Mineral and Land Resources
610 East Center Avenue, Suite 301
Mooresville, North Carolina 28115
Re: Transmittal of Tier 2 Stormwater Discharge
Monitoring Report September 2021
Williams Ready Mix Products, Inc.
2465 Old Charlotte Highway, Monroe, North Carolina
Project 840-02
To Whom it May Concern:
Attached please find a completed Tier 2 Stormwater Discharge Monitoring Report Form for
September 2021 at the Williams Ready Mix Products, Inc. facility at 2465 Old Charlotte Highway
in Monroe, North Carolina.
Please call if you have any questions or require any additional information.
Sincerely,
Harmon Environmental, PA
Richard L. Harmon, P.G.
President/Principal Hydrogeologist
Attachments

BENCHMARK EXCEEDANCE or TIER 2 DISCHARGE MONITORING REPORT (DMR) — STORMWATER
SUBMIT TO REGIONAL OFFICE*
General Permit No. NCG140000
'Use this form if any stormwater samples have EXCEEDED A BENCHMARK or if the facility is in TIER 2 MONITORING for any parameter.
Send sample results to the DEMLR Regional Office within 30 days of receipt from the laboratory.
Certificate of Coverage No. NCG14
Facility Name: Williams Ready Mix Products, Inc.
Countv: Union
Phone Number: 70( 4 )283-1173
Certified Laboratory: Pace Analytical Services, LLC
Sample Collection Period:
Person Collecting Samples:
Lab # 40
Lab #
Period 1 ❑ Period 2 ❑Q Calendar Year 2021
For Monthly Monitoring: Month September
Richard Harrison - Harmon Environmental, PA
Has this facility had 4 or more benchmark exceedances for any single parameter, at any one SW discharge outfall (SDO)? Yes ❑ No ❑■
Have you contacted the Regional Office? Yes ❑N No ❑
Whom at the Region did you speak with? Lily Kay
Stormwater Monitoring Requirements
Outfall
No.
Date Sample
Collected
Total
Rainfall
Is this SOO in
Tier 2?
Does this SOO
include Vehicle
Maintenance
Activities (VMA)?
Total
Suspended
Solids (TSS),
mg/I
pH,
Su
Non -polar O&G
(EPA Method 1664
(SGT-HEM)), mg/I
(VMA)
II a licable
New Motor Oil
Usage (gal/mo.)
I/applkable
-
mo/dd/yr
or "NO FLOW"
inches
Y/N
Y/N
100
50 (OM, HOW, Tr, PNA)
6.0-9.0
15
66gagmando. NogPolar
req >55 a and Non-
osG monitoring
01
No Flow
N
N
NA
NA
02
No Flow
Y
N
NA
NA
03
No Flow
N
N
NA
NA
Permit Date 8/1 /2017 — 6/30/2022 Last Revised 8-22-2017
Page 1 of 3

Certificate of Coverage No. NCG14 ❑❑❑❑
Stormwater Monitoring Requirements
Outfall
No.
Date Sample
Collected
Total
Rainfall
Is this SDO in
Tier 2?
Does this SDO
include Vehicle
Maintenance
Activities (VMA)?
Total
Suspended
Solids (TSS),
mgll
pH,
SU
Non -polar O&G
(EPA Method 1664
(SGT-HEM)), mg/I
(VMA)
Helkable
New Motor Oil
Usage (gal/mo.)
It applitabk
mo/dd/ r
Y
or "NO FLOW"
inches
Y/N
Y/N
100
50 qRW, HqW, Tr, PNA)
6.0-9.0
16
>55gaUmo.average
regui as TSS ni Non polar
Permit Date 8/1/2017 — 6/30/2022 Last Revised 8-22-2017
Page 2 of 3

Certificate of Coverage No. NCG14 ] 9❑® 0❑
CERTIFICATION
"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, accurOZ/
te, and complete. I am aware that there are significant penalties for submitting false information, including the possibility of fines and
imprisonmentfor ingviolations." [Required by40�z]
Signature
Date /74 /V' 21
Mail Benchmark Exceedance/Tier 2 DMR to Your DEMLR Regional Office Land Quality Section:
ASHEVILLE REGIONAL OFFICE i FAYETTEVILLE REGIONAL OFFICI
2090 US Highway 70
225 Green Street
Swannanoa, NC 28778
Systel Building Suite 714
[phone]
Fayetteville, NC 28301-5043
[phone]
RALEIGH REGIONAL OFFICE
WASHINGTON REGIONAL OFFICE
3800 Barrett Drive
943 Washington Square Mall
Raleigh, NC 27609
Washington, NC 27889
[phone]
[phone]
WINSTON-SALEM REGIONAL
CENTRAL OFFICE
OFFICE
450 Hanes Mill Road, Suite 300
Questions for The Central Office
Winston-Salem, NC 27103
Stormwater Permitting Program?
[phone]
[phone]
Permit Date 8/1/2017 — 6/30/2022
MOORESVILLE REGIONAL OFFIC]
610 East Center Avenue/Suite 301
Mooresville, NC 28115
[phone]
WILMINGTON REGIONAL OFFICE
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
[phone]
Last Revised 8-22-2017
Page 3 of 3