NCG100231_DMR_20200728 (1)

STORMWATER DISCHARGE OOTFALL (SDO)
MONITORING REPORT
CERTIFICATE OF COVERAGE NO. NCGl00231
FACILITY NAME Mat lock's Used Cars and Parts
PERSON COLLECTING SAMPLE(S) Jeff Matl ck
CERTIFIED LABORATORY(S) Uh A
Lab k
Part A: Stormwater Benchmarks and Monitoring Results
SAMPLES COLLECTED DURING CALENDAR YEAR: 2020
(This monitoring report shall be received by the Division no later than 30 da
from the date the facility receives the sampling results from the laboratory.]
COUNTY Catawba
PHONE NO. L128 )429_ ___.90i0
PLEASE REMEMBER TO SIGN ON THE REVERSE 4
For sampling penods with no discharge, you must submr'tthis dischorge rflonitoring form noting "NO Flow" or "No Dischorge" within
30 days of the end of that period to comply with permit reporting requireMents.
Outfall Date
No, SamPleiollected, Total
mo/dd/year Rainfall,
Inches
OF1
Note: if you report a sampled value ill excess of the
Permit,
0040n
PH,
Standard
Units
00530
Total Suspended
Solids(TSS),
mg/L
•..
Non-pdar
O&G/TPH
(Method 1664
SGT•AEM),m L
77023
Ethylene Glycol,
Me/L
010SL
Lead, Total
Recoverable,
mg/L
73141
Total TOXIC
Organics',
'nL
G•0-9At
100/507
W12.57
1s
<5.26
B4ODD
Tiers 2 and 3M,,l,,
<4.7
M��_ "I u.W 1111mc range ror PH, you must implement Tier I or Tier 2 responses In the 'General
1See If pH values outside this range are recorded in sampled stormwater discharges, but ambient precipitation PH levels are lower, then the lower threshold of this bendtman
range is the PH Of the PrOltation (within instrument accuracy) instead of 6 S.U. Readings from an on -she or local rain gauge (or [out precipitation data) must be documeattet
to demonstrate bad ground concentrations were below the benchmark pH range of 6.9..
2See General Permit text to Identify whether the more Prbtedive benchmark applies for especially sensitive receMng water'.
3For purposes of this permit the definition of Total Toxic Organics is that list as stated In Appendix O,Table 11 of Chapter 40 Code of Federal Regulations (CFR) Part 122,
RECEIVE®
AUG 17 2020
�Ctv I rust FILES
DVVR SECTION
Form SWU-2st, fast reWsed October 25 202;
Page I of;

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i
stormwater Discharge ootfa
� 1i (SDO)
Qualitative Monitoring Report
>�'crr';!u%duRcc e,r� J�!linr,� out this ,rm; please vigil. h Purta.i.n d u. eh rvc '�s cf ,
Per
mil No.: �Ij:/.__/_ _j_j--j!
facility [Name: Mallock's Used Car and Parts Incile�`te °f Covera e No.:
County: Qatawba �"- --
_ Phone N 0-278-20Y
inspector-; _Dale Matlock -�
Date Oflnspcction: _ 5-2 21 026 ------ ----
Time of inspection: 12prn
Tut91 Event Precipita,uon (inches):.42 inches, iooW clear a l,~i•t•le brown
WIS this a " Representative Stol-m Event" or `'Ntl~asureahlc: Sir3rrn Event" as olefin
(See information >Ja,Ir), ed by the permit?
i Yes ❑ No
Please verify whether Qualitative pfonitorin must be her `ormed durinc o "representative storm,
even*" or "mevsur�►ab1e storm event" (requir emer)ts vury, de endin
,�
g an the permit).
Qu.liitative monitoring requirements �a --
' ry. Most permits require qualitative monitoring be ---
perfumed d siring a "1-epr escntative storm event." or during a "mPasureabie s '
scale permits do not have this requil-crnen C'lease n-eI'er to these definitions }f event." Hu�tiover,
pplicable.
A representative storm event" is a storm event that greater than'
and that is preceded by at least 721101jrs ('3 days) in V,rhich no storm event measuring inches of rain an
0.1 inches has occurred. A, singic Storrs evecit may Contain U � surfing greater than
Procipitatioll. Ito 1U cansecut;vP hours of no
A "measurable storm event„ is a storm CVent that results in an actual disc Permitted site uutfa[l. T[le previca',s reasur ble st.rarni evenly jTIrE barge frClIII tht'
prior. Tile T2-hour.storm interval does.not apply irthe permittee i.n;tl�le�oQlr at
least 72 }lours
interval is representative for local si.. rh, events dur•in* t}�e-gam tin period, ,�r ur t nr. that a shorter
uhtai>r�s alrpruval troth tine local D�hT r P g P d the permitter ._.._... _ �_.._. _....... __.. Regional Office.
1}y this gig attire, I certify that this rePo rt is accurate and complete to tile best ofm ,
y lalO Ie��gc:
(• a at f Permittee or Designee) -- ------
Page 1 of 2
SWL•-242, Iasi tjtodi:,cil 10i 25/2012

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