NCG140043_MONITORING INFO_20190821

PERMIT NO.
DOC TYPE
DOC DATE
/� . 0
STORMWATER DIVISION CODING SHEET
NCG PERMITS
G
❑ HISTORICAL FILE
EX MONITORING REPORTS
YYYYMMDD

J�,SED STq�s
• A UNITED STATES ENVIRONMENTAL PROTECTION AGENCY
REGION 4
ATLANTA FEDERAL CENTER
3 0=
61 FORSYTH STREET
l4t Pa DSE�4
ATLANTA, GEORGIA 30303-8960
AUG 14 2019
CERTIFIED MAIL 7018 2290 0000 6353 9151
RETURNED RECEIPT REQUESTED
RECEIVED
Mr. Mark Lunders
Plant Manager
AUG 21 '1U19
Concrete Supply Company
400 Minuet Lane
DENR-LAND QUALITY
Charlotte, North Carolina 28210
STORMINATER PERMITTING
Re: Compliance Evaluation Inspection
Concrete Supply Co. Charlotte -South, Charlotte, North Carolina, Permit NCG140043
Dear Mr. Lunders:
On May 30, 2019, the U.S. Environmental Protection Agency Region 4 conducted a Compliance
Evaluation Inspection (CEI) at the Concrete Supply Company Charlotte -South facility located at
400 Minuet Lane, Charlotte, North Carolina. The purpose of the CEI was to evaluate the facility's
compliance with the requirements of Sections 301 and 402(p) of the Clean Water Act (CWA), 33 U.S.C.
§§ 1311 and 1342(p); the regulations promulgated thereunder at 40 C.F.R. § 122.26; and, the State of
North Carolina's industrial stormwater and wastewater regulations.
The EPA appreciates your cooperation in conducting this CEI. Enclosed is the EPA's CEI report,
evaluating your compliance with the CWA. As a result of the inspection, the EPA may be in further
contact with Concrete Supply Company in the future.
While a response from you is not required at this time, if you do wish to respond to the CEI report,
provide additional information, or otherwise discuss the report, please contact Mr. Mark Robertson at
the above address or by email at [e-mail].
Sincerely,
Daniel J. O'Lone, Chief
Surface Water and Ground Water Section
Water Enforcement Branch
Enclosures
cc: Ms. Annette Lucas
NCDEQ
Mr. Johnie Alexander
CSC LLC
Internet Address (URL) • http://w .epa.gov
Recycled/Recyclable • Printed with Vegetable Oil Based Inks on Recycled Paper (Minimum 30 % Postconsumer) /�

°' ° U.S. Environmental Protection Agency, Region 4
Y 61 Forsyth Street SW, Atlanta, GA 30303
° Water Compliance Inspection Report
NPDES ID: NCG140043 Effective Date: 04/01/2017 Expiration Date: 06/30/2022
Facility Name: Concrete Supply Company — South Plant SIC Code: 3273
Address: 400 Minuet Lane, Charlotte, NC 28210
On -Site Representative(s), Title, Phone Number: Responsible Official, Title, Phone Number, Mailing Address:
Mark Lunders Plant Mgr. Johnie Alexander
400 Minuet Lane 3823 Raleigh Street, Charlotte, NC 28206
Charlotte, NC 28210 [e-mail]
1N$13',EQ]ON ENTRY DATES/TIMES
Entry Date/Time: 05/30/19 @ 9:50 am Exit Date/Time: 05/30/19 @ 1:00 pm
1 1
EPA Inspectors: Mark Robertson, Kenneth Kwan
NCDENR Inspecter: Chris Graybeal
Charlotte -Mecklenburg Inspector: Ron Eubanks
1
X Permit X Self -Compliance Program Pretreatment
X Records
Compliance Schedule X Pollution Prevention
X Facili Site Review
LaboratoryX Storm Water
X Effluent / Receivin Waters X
Operations & Maintenance Combined Sewer Overflow
Flow Measurement Slud e Handlin Dis osal SanitaV, Sewer Overflow
NOTESINSPECTION
This is a joint state, local and EPA Compliance Evaluation Inspection (CEI) focusing on North Carolina's General Permit No.
NCG140000 for stormwater discharges and process wastewater discharges.
Inspector.Signature/Name Office/Phone Number Date
USEPA Region 4/ECAD-WEB-SGS
404-562-9639
7/Zi 1 `]
Mark Robertson, Environmental,Engineer
/
USEPA Region 4/ECAD-WEB-SGS
404-562-952
Kenneth Kwan, Environmental Engineer
Management Signature/Name
Office/Phone Number
Date
it
USEPA Region 4/ECAD-WEB-SGS
404-562-9434
/
Daniel J. O'Lone, Chief
Stormwater and Residuals Enforcement Section
Page 1 of 7

P1.;Latitude'-
kCILITY LOCATION
35.15644880 N
Longitude_
I
-81.88272960 W
Weather,Kings
Branch
.Stte
Acreage .
7.5 acres
Condition
Clear
_MS
Date of NOI or •j
Discharge to
Does the site discharge
:No Exposure
N/A
SIC
3273
303(d) listed:'
No
.pollutants,contnbatingu,.
N/A
Exclusion,per.
Code(s).
or TMDL
-to the ieceiving'strgam `
I22 26(g))
waters ,,
imparrment?.
2. 13ASIC s TO RNIWATER 110 LLUTI ON PREVENTION PLAN (SI I'll) INFORMATION
SPPP TOPICS"(PartHn "'. r
YES
SPPP on -site Section 9
A copy of the SPPP dated April 15, 2012, and updated on March 3, 2019, was made available onsite
X
for review during the inspection.
Site Description Section 1
X
Identify potential Pollutant Sources and Particular Pollutants Section 1(b)
Three potential pollutant sources were not addressed in the SPPP:
1. Rinsing of concrete residue from the back of the concrete truck to the ground outside of the
X
concrete washout basin
2. Areas for drying out excess concrete were not evaluated for potential contaminated runoff
3. Concrete trucks were being washed with detergent
Site Maps (general location map and site specific map) Section 1(c)
X
The SPPP and the site map was not updated to reflect the removal of the pond.
Spill History (3 year history or spills and corrective actions) Section 1(d)
X
An annual spill history log was maintained by the facility and kept in its SPPP.
SPPP Certification Section 1(e)
The annual certifications were available at the site, with the most recent certification being dated
X
04/08/19.
Stormwater Management Strategy (Feasibility Study) Section 2(a)
The feasibility study did not evaluate the option of minimum exposure of materials and processes to
X
rainfall or diverting the stormwater away from areas of potential contamination as required in the
permit.
Stormwater Management Strategy (Secondary Containment) Section 2(b)
The SPPP did not include a table or summary of all above storage tanks and their associated
X
secondary containment as required by the permit. The table or summary must include the capacities
of both the tanks and the containment structure.
Stormwater BMP Summary Section 2(c)
X
Spill Prevention & Response Procedures (SPRP) Section 3
X
Page 2 of 7,

Preventative Maintenance and Good Housekeeping Program Section 4
The criteria for frequency and method for cleaning out the concrete washout basins was not
discussed in the SPPP..
.Good housekeeping practice concerning routine clean-up of concrete dust and solid deposits
X
was lacking adequate detail on criteria for cleaning, site sweeping schedule, and type of
equipment utilized.
Employee Training Section 6
X
Identify the Responsible Party for Implementing the SPPP Section 7
X
SPPP Modified or Update to Current Conditions Section 8
The review of the SPPP showed that it was not updated to the current conditions at the site.
The site map in the SPPP did not reflect the removal of the pond located at the southwest side of the
facility.
The operation and maintenance of the recently installed COz pH treatment system was not addressed
X
in the SPPP.
The large diversion berm at the northside of the facility was not addressed in the SPPP or identified
on the site map.
Schedule and Procedures for Routine Inspections Section 5
Routine facility inspections were conducted semi-annually.
X
The facility is a central mix plant. A predetermined amount of aggregates, cement, fly ash, and admixture are mixed in a
central mixer. The final products, depending on the mix design requirements, are loaded from the central mixer directly
into each individual concrete truck. The plant has a fleet of 15 concrete trucks. Maintenance of these trucks is conducted
offsite at a central location. Average monthly production rate is around 8,000 to 10,000 cubic yards of concrete.
All the runoff from the production area drains toward the east side of the facility and collects in a concrete ditch.
Wastewater and stormwater from the ditch is pumped through a COz treatment system for pH adjustment prior to
discharge via outfall #1.
RECORD
Record R'evrew 4 7t�s" .� s M a`}` ,` M i v a *a. :4g i i tr y `a ��7 7r '
YE§
NQ+
N/Ei
.^*rv..'•rv2w«.^'.rrw
5..t a.
Representative on -site
X
Records documenting Certificate of Coverage (COC) Part I, Section B
The COC document was signed 8/1/17.
X
List of detergents, additives, polymers, brighteners, and cleaning agents Part II Section B(9)
X
Records of SPPP Implementation available at site Part III Section 9, Part V Section D(6)
Generally, the records were available for review on -site. However, some materials were kept at the
corporate central office, including corrective action reports and originals of the site inspection
X
worksheets. Those documents were not reviewed as part of the inspection.
Maintenance and Housekeeping Programs Part III Section A(9), Part V Section D(6)
X
Page 3 of 7

4. RECORD
Records of Routine Inspections Part III Section A(9), Part V Section D(6)
Some of the records were kept at a central office location instead of at the facility. Electronically
X
generated report copies were available on -site and those were reviewed by the inspection team.
Records of Employee Training Part III Section A(9), Part V Section D(6)
X
Approval of Representative Outfalls Part III Section D(5), Part V Section D(6)
X
Records of Benchmark Monitoring Part IV
X
Records of Monitoring Part IV Sections C and D
Reports for effluent monitoring noted that the samples were not representative of the "first flush" of
discharge due to the time lag between the start of the rain event and the grab sample collection. (e.g.,
3/18/19, 10/26/18, 9/27/18, 3/6/18, and 12/20/17) Staff noted that the contractor, Prism, could not
get to the facility within the 30 minute window on many occasions.
Effluent sample data noted below indicates either benchmark exceedances or failure to sample:
Sample from March 8, 2019 had a pH of 11.54 and TSS of 190 mg/L.
Sample from October 26, 2018 had a pH of 11.59 and TSS of 330 mg/L.
Sample from June 27, 2018 indicated no flow. No samples were analyzed for that calendar quarter.
Sample from March 6, 2018 had a pH'of 9.8.
X
Sample from December 20, 2017 had a pH of 10.2.
Sample from September 11, 2017 had TSS of 130 mg/L.
Sample from May 23, 2017 had TSS of 140 mg/L.
Sample from March 28, 2017 had a pH of 10.4.
Sample from January 15, 2016 had a pH of 10.2.
No records were on -site in the SPPP for responses to apparent effluent limit exceedances noted
above.
The COz pH adjustments stem was installed in March 2019. See photo DSCN1804.
Records of Tiered Approach to Benchmark Exceedances Part II1.1)(5), Part V.D(6)
Information about tiered responses to benchmark exceedances was unclear. The facility installed a
PH adjustment system in March 2019 to counteract high p1i readings in effluent. Photos
X
DSCN1794-1796 show a copy of the three -page form.
Records of Stormwater Bypasses Part V Sections C(3)
X.
Records of Wastewater Bypasses Part V Sections C(4)
X
Records of 24 hour Reporting Part V Sections E(8-10)
X
Page 4of7

s
Note locatton quantitative d`escrip on des gnu s ue O&M*„d c euc es (mcludin� the
�PollutantSources �C�<,_krti�
,x.lurc s' ip a
fia�*r y g
,nature,and extent)wand o lutants off site �h' � ay°
Loadmg/Unloadmg %�'
Raw materials arrive by truck or rail. Aggregate and sand are put into 3-sided concrete
AreaA'r
bins, while cement and fly ash are neumaticall um ed into silos.
Y P Y P P
°.a
ARaw Material Storage
Facihhes
The 3-sided concrete bins for aggregate and sand were open to precipitation.
U
.a
� ESA
Outdoor+Process �''+t.
Operations +
No processing was done outside.
To Im
f* Jail x k"YTy 4
fs*eJ.',
Housekeepingn;=c
The SPPP is not specific about site sweeping frequency and procedure. Concrete fines
Y
and dust were observed at various locations. See photos DSCN1800 and DSCN1810.
The secondary containment for concrete admixtures was cracked. See photo
L�gmd Storage Tanks. q;
DSCN1797.
i S��,Y Y'u .fit i vid ,ti:
BestManagemeiit
The slope along the berm was not adequately stabilized.
Practices (BMPs)'
" ` ��`d�•' G= s r�
tSpllWUaksOandm,
Spill kits at the fueling station were full of rainwater and not useable. See red bucket in
g�
4 m •a
Photo DSCN1813.
ri' h'k f `f cry
Drivers were observed washing the back end of the trucks and the chutes onto the
paved area. See photo DSCN 1800. Staff stated that the trucks were not being washed
Disposal/Waste, " °. '_"
into the washout basins to avoid overfilling the basins. The wash water was flowing
IIandLngAreas, F z x4
over the truck area and evaporating there. At the end of the day, the residual material
'•'�
from the washingwas swept u dry. The washout basins were filled within a foot of
P P Y•
� , +� � k • �s�
the top at the time of the inspection.
Vehicle Maintenance ; {,,
No vehicle maintenance activities were observed during the inspection. Such activities
Areas {
were being conducted off site.
j S
Material+Stockpile~ 1
Water from storage piles was captured for reuse. See photo DSCN 1802 and 1803.
MettingOOeriifidns�°imF
x It
L
• 1, 1. yf 1 �.S". i J
M_�zmgDruui
.
r�r
Cleanouts rr
Drum cleanout water is captured and reused. See photo DSCN 1812.
n„ ;,r`s
Page 5 of 7

1
DISCHARGE&.RECEIVING WATER OBSEiRVAT16NS
aDischar e &c�q a
tYES
;'NO
Desen f� a � ai1-0
9 sgrT.r- R P�'� 4. 1H
�n r a
iVna `F
� C"itC vS�p ✓ SYf R",r5� ...yr '.�+ r �y�'�` �"k y ..i�Y t^r �, 1M Nb a J is i r{✓i, � 5.%
�.'sia �;p r,� �+fi � sr�..n>i"' r � °r�,C
�Receivin Water. ,:�a"�•.+
. �F.,�
,�
, � > , , ,4. sr P . ,,iw��v �� � �� .�p
`�L
�Numbev&slocation�A x
+ 4- c5 r .-�g
of stormwater " + ,.
� L
discharges)/outfall(s),,
X
One outfall was observed, as reflected in the SPPP.
conslstent+with,the
i
sppp'i.
r
The outfall was not discharging at the time of inspection. According to staff,
of off site
,Evidence
aRa'ty
the muddy water in the ditch was from the adjacent roadway drainage area,
accumulation ofT
X
pollutants observed;^+.
backing up towards their outlet structure. Discharged water from the facility
would comingle with water in right foreground. See photo DSCN 1805.
Other potential'"
dischargesoff situ
(throughlbtitfalls not'' i
X
included
SPPP),e, "Tr �
F i
f G�:'Mr ✓. lY r ^Arv�,a•'bF F Y 1Sr 5 nnxeL
Non=stormwater j r`<:`
>r
discharge?E,
Page 6 of 7

Additional inspection summary, narrative, findings, comments, photos, and schematic diagram of the facility area
as necessary:
An exit conference was held with Mr. Lunders and Mr. Alexander.
A photolog is attached.
SPPP
1. Some of the effluent sampling results were permit effluent exceedances under Permit section IV.D,
Table 8, and no information about self -reporting to NCDEMLR was available on -site.
2. The SPPP does not reflect the removal of the pond, and the map does not match current site conditions.
3. The operation and maintenance of the CO2 pH treatment system is not included in the SPPP.
4. The large diversion berm at the northside of the facility is not included in the SPPP and identified on the
site map. The slope along the berm was not adequately stabilized.
5. The good housekeeping practice concerning routine clean-up of concrete dust and solid deposits was
lacking sufficient detail such as criteria for initiating sweeping, a sweeping schedule, and type of
equipment utilized in the SPPP.
6. The feasibility study did not evaluate the option of minimum exposure of materials and process to
rainfall or diverting the stormwater away from areas of potential contamination as required in the permit.
7. The criteria for frequency and method for cleaning out the concrete washout basins was not discussed in
the SPPP.
Records and Report Review
Inspectors recommended keeping copies of inspection original pen -and -ink sheets at facilities, instead of only at
HQ.
Onsite Evaluation
There were three outdoor industrial actives observed onsite that were not addressed in the SPPP.
a. Rinsing of concrete residue at the back of the concrete truck outside of the concrete washout basin.
b. Areas for drying out excess concrete, a potential contaminated runoff source.
c. Concrete truck washing with detergent.
Page 7 of 7

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DSCN1791.1PG
a
Environmental Inspection
Ga Mw
Srh Ogxrvaaon_s: G. S.e Plant SouM Date: AM2O1e
%A Yea No
I
% I
I Main entrance land.aoad and well malntaine
9
X
I Yard tree from debri.
y
X
leak, Nrouahout Iwo m:'vehbles admix, otheraddressed
a
X
Wmh-out oh wen mwnWlrwd including windrow wag
a
X
Yx,d h h fqo,fldust grid solids M off - Yard needs to be washed oh an basis'
a
X
Is therock and*no that is wa h aw4y hom Yolks scr ed u "Mmimlae solids"
).
X
Catch basin filtrabon maintained gtgper�" Replace Rav or Rock dame'
a
X
per, In ed Parking -Leak Dategfian
{
X
Fuel hose has break -a -war connection
ra
%
50111 kit. available new fuel station
It
X
Se rbf ncewoundero nvfineofvegandi�odrQair
R
X
Spill kits available for trucks
AOgnkg,a unloading Jr storied:
NA Yea No
r
X
Water N f d r cted to catch basins Oands or wash down area
Lx
Wear etw of nil cheep in delnery areas
y
%
Area between goo atoraae and rest of rwd permeableaa 'grs-0irt" for wales runoff
a
%
VAII g n re I ad'ng towards Storm Waar drains have filtration W aa�lids and is reolacad moulatly
Hatch PNrnt:
kA Yes NO
r.
X
Block walls around @dMix secondary poured solid
if tryck wash Ls,not Ipcatad in the wean out art@ Is there secondary mrHalmm�nt
y
X
Tnah • moved f a theinside f thesecondary containment
a
%
Fee of env leaks or souls Inside se ondary corvtwnment
X
Discharge al closed and handle removed
a
a
%
is th b house hee from dusting
e
}%
usD Strom char ehopaenshro d'gwt tolleetor lrwrlbng grogarly"
'2-0
a
X -
Nag an l'c a ding Orrea range -
r:� �- l
MiMill--
•"l 'Ntl 9"MU9Y'
Attributes
Description Page 1 of form used for semiannual inspection. Three pages in all. This form dates from 4/25/19.
Inspection originals are kept in the office of the corporate environmental manager. The form
itself does not have a place to record responses to findings.
CSC Charlotte South Page 2 of 25 7/2/2019 3:43:18 PM

DSCN1792.1PG
Ala GAM mr R4IDf_flwinwto"
ue .r W
.. ><' .� A��iyt[t[oft.ml�uc[r+•�.c_Nataa!7an!^aels��w�
a " ' Nkaflll.�bURJID
� 1 r aarrrteraYrr than aNr
rM wow mtlwlse an M.OM+tl4n �tbin!LL'^-i+T^J
T'sr aVWW W9OM fft !�
llbilNO ad 4!ume
Ij$y NL7a3taslS•^+^�.ecs�ss�Q�T�w cl..n oast., nls, Nei.
i _ Y [w. t rQ+�l�y9i344 n Ne ?Al lnQuV-
t
y �' � �_tl�rn�Q+fanWn.re troinu useC
�„ryy CavnngMw
e VYW
a x ""r.d Ytlb so" a WMf a WMlO tell
An@w aM heft meeYe rMmd mmbKW belnybaeed
a >t ! M. �r d Alr Wb MtaualtYtlt tltle Won
[�+
T � YM[t�Yal auaWr and mlbalM used
� - j �a O�rCallaeYr m rilJla Want ie In we
� Ylr�arrr�eWYiMrmo±motet co.rxy
lYs�rfltMtl[I[tlda[YM bulldmb AM$ ga
Will Slrlf iWlh Mina Uw
'.��eYnY on m4er OveAlQwlna
Description
�4LQ+ll➢Il..�aN.
Attributes
Page 2 of form used for semiannual inspection..,,: all. This form dates from 4/25/19.
Inspection originals are kept in the office of the corporate environmental manager. The form
itself does not have a place to record responses to findings.
CSC Charlotte South Page 3 of 25 7/2/2019 3:43:18 PM

DSCN1793.JPG
Description
AOMn/sDanve
Is Me Air uermlt available In manaoers oth,
It, the Air Mmit current
An Pressure readinaa documented deity " Yagnaheli. gauge readmgs "
Are dust collector maintenance loot, malntalnetl uP to date and available
Dyes the plant have a copy of their SWP3 pion
Stormrater, Dian rnmdltiCation lop uu-to74ate
Is there a g9gl of the $Ix,rrn Water qSneval Nrmit n all, or In bindel
It, Mena a Certnlcate of Coverage
Is there a signed Certi/lotion Pepe Included in the SWP3 binder
Is then a signed Sionahpa Authonlxatton form Included In the SWP3 binder
Visual Observation raoort comoletetl fpr the glans
Storm Water and SPCC tralnirm up-to-date
51andicant Leas snd Spills Certification up M dare
Non - Stomwatar Certification up to dstp
At least two Qualitative samplings oreformerl dunng calendar year
PlPgenty at
Attributes
60
Page 3 of form used for semiannual inspection. Three pages in all. This form dates from 4/25/19.
Inspection originals are kept in the office of the corporate environmental manager. The form
itself does not have a place to record responses to findings.
CSC Charlotte South Page 4 of 25 7/2/2019 3:43:18 PM

DSCN1794.JPG
Stormwater Process W �.,r Management Inspection
pk r i/.Q
Type of Sample (Circle one): Stormwater or Process
Sample Date: // -le -e
Inspection Date: 11164018
Area of Eaceedence(Circle ALL that apply)', pH Tss - Seuhrable - Total Petroleum
L
[general site Obsevafions:
Yes No
Yard free from debris
t Leaks throughout yard ea: "vehicles admix, other" addressed
1 ,y^_ Waah-out pit well maintained-nclud'na windrow area
a Is the rock and and that is washed away from stockpiles aclaped up' Minimize solids"
i — — ratch basin filtration maintained Property ' Replace Ha or Nock dams'
Amreaate unloadino and stO"Iae.'
Yet Ng
r Water runoff from aaa directed to catch basins ponds of wash down areas
E 1'11� Water clear of oil sheen In delivery areas
J� Valley auffers lead'na towards Storm Water grains have filtration to catch solids and is is I led yeaulady
Batch Plane:
Yes No
r '— fflock walls around admis secondary poured solid
a ?- It buck wash is not located in the wash out area's them e dary containment
l Trash removed from the Inside of the secondary containment
I - Fee of any leaks or spills inside secondary costa nm nt
05.30.2019 ,
Prgwar el aOre/ew SypWY Cg
Attributes
Description
Page 1 of Form used for stormwater/process water management inspection. Also identified in
SWPPP notebook as the form used for Tier I response to benchmark exceedances. Three pages.
Issues noted on form but the form itself does not have a place to record responses to findings.
Distinction between process water or storm water not identified.
CSC Charlotte South Page 5 of 25 7/2/2019 3:43:18 PM

DSCN1796.JPG
.y
Stormwater. Process Wi,;r Management Inspection i
Lim NeTbw Sr<nonromnrenfs oDserwrians sl oWes.rions:
llll�_
Inspecto,: S�gnawre. ,_,,,.
Document Corrections With -in Two Months of Inspection Date!!!
e.45
r V V -4019
Attributes
Description Page 2 of Form used for stormwater/process water management inspection. Also identified in
SWPPP notebook as the form used for Tier I response to benchmark exceedances. Three pages.
Issues were noted on page one but the form itself does not record comments or corrections on
this page.
CSC Charlotte South Page 6 of 25 7/2/2019 3:43:18 PM

DSCN1795.JPG
~7tVjQhm p. tm tc i, tin appiarangs i.e,. Not ovnrfio?�ng with solidi
QY gwe a 2 Qs iln
T{
1 1 Is Fft 0, als d I f �I_L1TF dl[i
♦ I f ,. Dq E�yq�w to solds_t,4S.ettly
(p $ f P
M l 111 Tdl ! ICI ok }.QWAt. p It tl < i,,s atG V' iN
la's ab y ,tree at< to—pl Qgt..
( Hpl pl d sl oll v 1.
a >dJ I i E.yla n Apr Com T< is s¢ _
I
•e_1 M1c
Attributes
Description Page 3 of Form used for stormwater/process water management inspection. Also identified in
SWPPP notebook as the form used for Tier I response to benchmark exceedances. Three pages.
Issues were noted on the form but the form itself does not have a place to record responses to
findings.
't
f
Y" eW.t'8'yl L
t
CSC Charlotte South Page 7 of 25
7/2/2019 3:43:18 PM

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Description Truck being washed out using self -supplied water in middle of work area. This rinse -water was
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CSC Charlotte South Page 11 of 25 7/2/2019 3:43:18 PM

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Description View of former pond area that is no longer used for storage, in SW corner of work area. limited
runoff can still enter this area, but largely percolates. Berm visible in upper left of picture
surrounds whole area. Formerly used for storage, the pond was taken out of service and concrete
materials were removed. There is an adjacent truck wash station; the corner of poured concrete
basin is just visible on right of photo. See DSCN1812.
CSC Charlotte South Page 22 of 25 7/2/2019 3:43:18 PM

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Description Truck fuel stand. Spill kits (red bucket, 1 of 2 shown) had cracked lids and were filled with
rainwater. Suggested that spill kits be replaced.
CSC Charlotte South Page 24 of 25 7/2/2019 3:43:18 PM