NC0026441_Supplemental DMR Info Attachment_20240731

Annual Monitoring and Pollutant Scan
Permit No. -NCO026441 Month June
Outfail 001 Year 2024
Facility Name----Town of Siler City ORC Brittany York
Date of sampling____6/12/2024 Phone [phone]
Analytical Laboratory-Meritech,lnc-#165, Siler City WWTP-#132
, -Sam "'viiiiib r'of
9"fitifitioli "Old Units-of
Parameter' ' Type Method L6401 Result Measurement: safnples
Ammonia (as N) Composite SM4500-NH": 0.5 <0.5 mg/l
Dissolved oxygen Grab SM4500-00 1.0 7.5 mg/l I
Nitrate/Nitrite Composite EPA 353.1 0.2 23.5 mg/1 I
Total Kjeldahl nitrogen Composite EPA353.1 0.5 0.24 mg/l I
Total Phosphorus Composite EPA 200.7 0.04 0.022 mg/1 1
Total dissolved solids Composite SM2540C 10 715 mg/1 1
Hardness Composite SM2340B 1,0 75 mgcqCaCO3/1 I
Chlorine (total residual, TRC) Grab ISM 4500-Cl 10 <10 ug/l 1 1
Oil and grease I Grab IEPA1664A 5 <5 mg/1
'
Meta i ,(total reco7prable), cyapi de and t6W,j)hdnoii`
Antimony Composite EPA200.8 0,0005 <0.0005 mg/l I
Arsenic Composite EPA200.8 0,002 <0.002 mg/1 I
Beryllium Composite EPA200.8 0.0005 <0.0005 mg/1 1
Cadmium Composite EPA200.8 0.00015 <0.00015 mg/1 1
Chromium Composite EPA200.8 0.002 <0.002 mg/1 I
Copper Composite EPA200.8 0.002 0.0050 mg/1 1
Lead Composite EPA200.8 0.0005 <0.0005 mg/1 1
Mercury Composite EPA1631 0.001 0.0038 ug/I I
Molybdenum, total Composite EPA200.8 0.002 <0.002 mg/1 1
Nickel Composite EPA200.8 0.0005 0.0057 mg/1 1
Selenium Composite EPA200.8 0.001 0.0010 mg/1 1
Silver Composite EPA200.8 0.0005 <0.0005 mg/l 1
Titanium Composite EPA200.8 0.005 0.0330 mg/1 I
Zinc Composite EPA200.8 0.005 0.0110 mg/1 I
Cyanide Grab EPA335.4 0.005 <0.005 mg/1 1
Total phenolic compounds Grab EPA420.1 0.010 <0.010 Mg/I I
V0
4nd,i)ikgn compounds
40
Acrolein Grab EPA624 50.0 <50.0 ug/I 1
Acrylonitrile Grab EPA624 10.0 <10.0 ug/I I
Benzene Grab EPA624 1.0 <1.0 ug/l 1
Bromoform Grab EPA624 1.0 <1.0 ug/l 1
Carbon tetrachloride Grab EPA624 1.0 <1.0 ug/I I
Chlorobenzene Grab EPA624 1.0 <1.0 ug/1 I
Chlorodibromomethane Grab EPA624 1.0 <1.0 ug/I 1
Chloroethane Grab EPA624 5.0 <5.0 ug/1 1
2-chloroethylvinyl ether Grab EPA624 5.0 <5.0 ug/I I
Chloroform Grab EPA624 1.0 7.79 ug/I 1
Dichlorobromomethane Grab EPA624 1.0 3.55 ug/l I
1,1-dichloroethane Grab EPA624 1.0 <1.0 ug/I 1
1,2-dichloroethane Grab EPA624 1.0 <1.0 ug/I 1
Frans-1,2-dichloroethylene Grab EPA624 1.0 <1.0 ug/I 1
Form - 0TV117- PFA-I Page I

Annual Monitoring and Pollutant Scan
Permit No. _NC0026441 Month June
Outfall—001 Year 2024
Sample Analytical Quantitation Sample Units of, Number of .'
Parauxeter „ Type Method Lever Result Measurement saxuples
Volatile or aniq com ou, ds,Copt, '^ "°
1,1-dichloroethylene Grab EPA624 1.0 <1.0 ug/l 1
1,2-dichloropropane Grab EPA624 1.0 <1.0 ug/1 1
cis-1,3-dichloropropylene Grab EPA624 1.0 <1.0 ug/1 1
trans-1,3-dichloropropylene Grab EPA624 1.0 <1.0 ug/1 1
Ethylbenzene Grab EPA624 1.0 <1.0 ug/1 1
Methyl bromide Grab EPA624 5.0 <5.0 ug/1 1
Methyl chloride Grab EPA624 5.0 <5.0 ug/1 1
Methylene chloride Grab EPA624 1.0 <1.0 ug/1 1
1,1,2,2-tetrachloroethane Grab EPA624 1.0 <1.0 ug/1 1
Tetrachloroethylene Grab EPA624 1.0 <1.0 ug/1 1
Toluene Grab EPA624 1.0 <1.0 ug/1 1
1,1,1-trichloroethane Grab EPA624 1.0 <1.0 ug/l 1
1,1,2-trichloroethane Grab EPA624 1.0 <1.0 ug/1 1
Trichloroethylene Grab EPA624 1.0 <1.0 ug/l 1
Vinyl chloride Grab EPA624 5.0 <5.0 ug/l 1
P-chloro-m-creso Composite EPA625 10 <10 ug/i 1
2-chlorophenol Composite EPA625 10 <10 ug/1 1
2,4-dichlorophenol Composite EPA625 10 <10 ug/l 1
2,4-dimethylphenol Composite EPA625 10 <10 ug/1 1
4,6-dinitro-o-cresol Composite EPA625 50 <50 ug/1 1
2,4-dinitrophenol Composite EPA625 50 <50 ug/1 1
2-nitrophenol Composite EPA625 10 <10 ug/l 1
4-nitrophenol Composite EPA625 50 <50 ug/l 1
Pentachlorophenol Composite EPA625 50 <50 ug/l 1
Phenol Composite EPA625 10 <10 ug/l 1
2,4,6-trichlorophenol Composite EPA625 10 <10 ug/1 1
base tt4itra1 compounds
Acenaphthene Composite EPA625 10 <10 ug/1 1
Acenaphthylene Composite EPA625 10 <10 ug/1 1
Anthracene Composite EPA625 10 <10 ug/1 1
Benzidine Composite EPA625 50 <50 ug/1 1
Benzo(a)anthracene Composite EPA625 10 <10 ug/1 1
Benzo(a)pyrene Composite EPA625 10 <10 ug/1 1
3,4 benzofluoranthene Composite EPA625 10 <10 ug/1 1
Benzo(ghi)perylene Composite EPA625 10 <10 ug/l 1
Benzo(k)fluoranthene Composite EPA625 10 <10 ug/l 1
Bis(2-chloroethoxy)methane Composite EPA625 10 <10 ug/1 1
Bis(2-chloroethyl) ether Composite EPA625 10 <10 ug/1 1
Bis(2-chloroisopropyl) ether Composite EPA625 10 <10 ug/l 1
Bis(2-ethylhexyl) phthalate Composite EPA625 10 <10 ug/1 1
4-bromophenyl phenyl ether Composite EPA625 10 <10 ug/1 1
Butyl benzyl phthalate Composite EPA625 10 <10 ug/l 1
2-chloronaphthalene Composite EPA625 10 <10 ug/.l 1
Form- DMR- PPA-1 Page 2

Annual Monitoring and Pollutant Scan
Permit No. _NC0026441 Month June
Outfall_001 Year 2024
4-chlorophenyl phenyl ether Composite EPA625 10 <10 ug/1 1
Sample Analytical Quantitation Sample Units of Number of
Parameter Type Method Level Result Measurement samples
Base-neutral compounds (cont.)
Chrysene Composite EPA625 10 <10 ug/1 1
Di-n-butyl phthalate Composite EPA625 10 <10 ug/1 1
Di-n-octyl phthalate Composite EPA625 10 <10 ug/1 1
Dibenzo(a,h)anthracene Composite EPA625 10 <10 ug/l 1
1,2-dichlorobenzene Composite EPA625 10 <10 ug/1 1
1,3-dichlorobenzene Composite EPA625 10 <10 ug/1 1
1,4-dichlorobenzene Composite EPA625 10 <10 ug/l 1
3,3-dichlorobenzidine Composite EPA625 50 <50 ug/1 1
Diethyl phthalate Composite EPA625 10 <10 ug/1 1
Dimethyl phthalate Composite EPA625 10 <10 ug/l 1
2,4-dinitrotoluene Composite EPA625 10 <10 ug/1 1
2,6-dinitrotoluene Composite EPA625 10 <10 ug/1 1
1,2-diphenylhydrazine Composite EPA625 10 <10 ug/1 1
Fluoranthene Composite EPA625 10 <10 ug/1 1
Fluorene Composite EPA625 10 <10 ug/1 1
Hexachlorobenzene Composite EPA625 10 <10 ug/1 1
Hexachlorobutadiene Composite EPA625 10 <10 ug/1 1
Hexachlorocyclo-pentadiene Composite EPA625 50 <50 ug/1 1
Hexachloroethane Composite EPA625 10 <10 ug/1 1
Indeno(1,2,3-cd)pyrene Composite EPA625 10 <10 ug/1 1
Isophorone Composite EPA625 10 <10 ug/1 1
Naphthalene Composite EPA625 10 <10 ug/1 1
Nitrobenzene Composite EPA625 10 <10 ug/1 1
N-nitrosodi-n-propylamine Composite EPA625 10 <10 ug/1 1
N-nitrosodimethylamine Composite EPA625 10 <10 ug/l 1
N-nitrosodiphenylamine Composite EPA625 10 <10 ug/1 1
Phenanthrene Composite EPA625 10 <10 ug/1 1
Pyrene Composite EPA625 10 <10 ug/1 1
1,2,4,-trichlorobenzene Composite I EPA625 1 10 <10 ug/1 1
I certify under penalty of law that this document and all attachments were prepared under my direction
and supervision in accordance with a system to design to assure that qualified personnel properly
gather and evaluate the information submitted. Based on my inquiry of the person or persons that
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 imprisonment for knowing violations.
�i�any York.
Au rized Representative name
ignature
Form - DMR- PPA-1 Page 3

Annual Monitoring and Pollutant Scan
Permit No. �NC0026441 Month June
Outfall_001 Year 2024
llat.e
Form - DMR- PPA-l Page 4