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Meritech, Inc.
Environmental Laboratory
Laboratory Certification No.165
Contact: David Kannianen
Report Date:
NPDES #:
6/1/2020
NCO00171
Client: Kennametal, Inc.
139 Warehouse Rd
-
Date Sample Rcvd:
5/20/2020
Henderson,NC 27537
Meritech Work Order # 05202047 Sample: Stormwater Outfall
AnalysiN Date
2 Grab
5/19/20
P�
13pD, 5 day
Results
3.5 mg/5/21/20
2.0 mg/L
15 mg/L
SM 52105
EPA 410.4
COD
Total Suspended Solids
<15 mg/L 5/21/20
<6.8 mg/L 5/21/20
6.8 mg/L
SM 2540D
TKN
<0.20 mg/L 5/28/20
0.20 mg/L
EPA 351.1
Nitrate/Nitrite, Nitrogen
0.35 mg/L 5/27/20
0.10 mg/L
0.20 mg/L
EPA 353.2
EPA 353.2
Nitrogen, total
Cobalt, total
0.35 mg/L 5/28/20
0.430 mg/L 5/27/20
0.005 mg/L
EPA 200.7
PH
6.9 S.U. 5/21/20
1.0 -14.0 S.U.
SM 4500-HS
I hereby certify that I have reviewed and approve these data4at6r;y Representative
642 Tamco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

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Meritech, Inc.
Environmental Laboratory
Laboratory Certification No.165
Contact: David Kannianen Report Date: 6/1/2020
Client: Kennametal, Inc. NPDES #: NCO0O171
139 Warehouse Rd
Henderson,NC 27537 Date Sample Rcvd: 5/20/2020
Meritech Work Order # 05202048 Sample: Stormwater Outfall 4 Grab 5/19/20
Parameters Results
Analysis Date ggpQrtinB Limit Method
ROD, 5 day <2.0 mg/L 5/21/20 2.0 mg/L SM 52100
COD <15 mg/L 5/21/20 15 mg/L EPA 410.4
Total Suspended Solids <6.8 mg/L 5/21/20 6.8 mg/L SM 2540D
TKN 0.70 mg/L 5/28/20 0.20 mg/L EPA 351.1
Nitrate/Nitrite, Nitrogen 0.52 mg/L 5/27/20 0.10 mg/L EPA 353.2
Nitrogen, total 1.22 mg/L 5/28/20 0.20 mg/L EPA 353.2
Cobalt, total 0.326 mg/L 5/27/20 0.005 mg/L EPA 200.7
pH 6.4 S.U. 5/21/20 1.0 -14.0 S.U. SM 4500-HB
I hereby certify that 1 have reviewed and approve these data. Z2Z:t-.Z
Laboratory Representative
642 Tamco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

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Environmental Laboratory
ik
Laboratory Certification No.165
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Contact: David Kannianen
Client: Kennametal, Inc.
139 Warehouse Rd
Henderson,NC 27537
ReportDate:
NPDES #:
Date Sample Rcvd:
9/29/2020
NC000171
9/17/2020
Meritech Work Order # 091720164 Sample: Stormwater Outfall 4 Grab
9/17/20
Parameters
Results
Analysis Date
Reporting Limit
Method
BOD, 5 day
6.5 mg/L
9/18/20
2.0 mg/L
SM 5210B
COD
< 15 mg/L
9/25/20
15 mg/L
EPA 410.4
Total Suspended Solids
< 2.5 mg/L
9/18/20
2.5 mg/L
SM 2540D
TKN
0.43 mg/L
9/22/20
0.20 mg/L
EPA 351.1
Nitrate/Nitrite, Nitrogen
0.25 mg/L
9/24/20
0.10 mg/L
EPA 353.2
Nitrogen, total
0.68 mg/L
9/24/20
0.20 mg/L
EPA 353.2
Cobalt, total
0.473 mg/L
9/29/20
0.005 mg/L
EPA 200.7
pH
7.0 S.U.
9/18/20
1.0 - 14.0 S.U.
SM 4500-HB
I hereby certify that I have reviewed and approve these data. i A &�i��.
Laboratory Representative
642 TaRnco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

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Meritech, Inc.
Environmental Laboratory
— . Laboratory Certification No. 165
Contact: David Kannianen
Client: Kennametal, Inc.
139 Warehouse Rd
Henderson,NC 27537
Report Date:
NPDES #:
Date Sample Rcvd:
9/29/2020
NCO00171
9/17/2020
Meritech Work Order # 091720163 Sample: Stormwater Outfall 2 Grab
9/17/20
Parameters
Results
Analysis Date
Reporting Limit
Method
BOD, 5 day
2.4 mg/L
9/18/20
2.0 mg/L
SM 5210B
COD
21 mg/L
9/25/20
15 mg/L
EPA 410.4
Total Suspended Solids
< 2.5 mg/L
9/18/20
2.5 mg/L
SM 2540D
TKN
0.45 mg/L
9/22/20
0.20 mg/L
EPA 351.1
Nitrate/Nitrite, Nitrogen
0.58 mg/L
9/24/20
0.10 mg/L
EPA 353.2
Nitrogen, total
1.03 mg/L
9/24/20
0.20 mg/L
EPA 353.2
Cobalt, total
0.317 mg/L
9/29/20
0.005 mg/L
EPA 200.7
pH
6.8 S.U.
9/18/20
1.0 - 14.0 S.U.
SM 4500-HB
I hereby certify that I have reviewed and approve these data. Imat 4HQZ�Lgk
Labor tory Representative
642 Tamco Road, Reidsville, North Carolina 27320
tel.[phone] fax.[phone]

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