NCS000003_MONITORING INFO_20190314

STORMWATER DIVISION CODING SHEET
NCG PERMITS
PERMIT NO.
(v S boD tin
DOC TYPE
❑ HISTORICAL FILE
CX MONITORING REPORTS
DOC DATE
❑ �Ii / U� /
YYYYM M D D

CHROMIUM
CERTIFIED MAIL 91 7108 2133 3939 7137 0986
RETURN RECEIPT REQUESTED
March 1, 2019
NC DENR-Division of Water Quality
Wilmington Regional Office
127 Cardinal Drive Extension
Wilmington, NC 28405-2845
RE: Storm Water 2018 Annual Report Submittal
NPDES Permit No. NCS000003
Elementis Chromium, Castle Hayne Plant, New Hanover County
Dear Sirs:
RECEIVED/NCDENR/DWR
MAR 0 6 2019
Water Quality Regional
Operations Section
Wilmington Reeinnal Office
RFCF!\/Fn
MAR 14 2019
DENR-LAND QUALITY
STORMWATER PERMITTING
Enclosed, please find the originals and one copy of each of the 2018 annual stonnwater report as required
our current NPDES Pennit No. NC000003.
If you have any questions concerning these reports, please contact Sean Coury at [phone].
Sincerely
Calvin Overcash
Vice President— Regulatory Manager
Enclosures
Elementis Chromium
5408 Holly shelter Road
Castle Ilayne, NC 28429
Telephone:[phone]
Facsimile:[phone]

STORMWATER DISCHARGE OUTFALL (SDO)
ANNUAL SUMMARY DATA MONITORING REPORT (DMR)
Calendar Year _2018
Individual NPDES Permit No. NCS000003 or
Certificate of Coverage (COC) No. NCG❑❑❑❑❑❑
This monitoring report summary of the calendar year should be kept on file on -site with the facility SPPP.
Facility Name: _Elementis Chromium
County: New Hanover
Phone Number: (910)_675-7229
Total no. of SDOs monitored
Outfall No. _001
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
Parameter, (units)
Total
Rainfall,
inches
pH
(std Units)
Chromium
(mg/)Nitrite
Nitrate plus
Nitrogen
(mg/1)
Benchmark
N/A
6-9
1.0
10.0
Date Sample
Collected,
mmldd/yy
Mimi=,=,---_-
NO DISCHARGE
1st Half
12/20/18
0.6
7.03
0.331
0.62
Additional Outfall Attachment
SW U-264-Generic-13Dec2012

Outfall No.
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 ❑
Parameter, (units)
Total
Rainfall,
inches
Benchmark N/A
Date Sample ■___-®---
Collected,
mm/ddlyy
"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
SW U-264-Generic-13Dec2012

1.
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 imprisonment for knowing violations."
Signature C� —
Date 7 /— Z O / F
For questions, contact your local Regional Office:
DWQ Regional Office Contact Information:
ASHEVILLE REGIONAL OFFICE
FAYETTEVILLE REGIONAL OFFICE
MOORESVILLE REGIONAL OFFICE
2090 US Highway 70
225 Green Street
610 East Center Avenue/Suite 301 1
Swannanoa, NC 28778
Systel Building Suite 714
Mooresville, NC 28115
[phone]
Fayetteville, NC 28301-5043
[phone]
[phone]
RALEIGH REGIONAL OFFICE
WASHINGTON REGIONAL OFFICE
WILMINGTON REGIONAL OFFICE
3800 Barrett Drive
943 Washington Square Mall
127 Cardinal Drive Extension
Raleigh, NC 27609
Washington, NC 27889
Wilmington, NC 28405-2845
[phone]
[phone]
[phone]
j WINSTON-SALEM REGIONAL OFFICE
CENTRAL OFFICE
1617 Mail Service Center
To preserve, protect
585 Waughtown Street
Winston-Salem, NC 27107
Raleigh, NC 27699-1617
and enhance
(336' 771-5000
[phone]
North Carolina's water._."
SW U-264-Generic-13Dec2012