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Phome Number

urofins
Environment Testing
America
ANALYTICAL REPORT
Eurofins TestAmerica, Savannah
5102 LaRoche Avenue
Savannah, GA 31404
Tel: [phone]
Laboratory Job ID: 680-208586-1
Client Project/Site: Storm Water - Amazon Warehouses RDU1
rof
ERM-West
1920 Main Street
Suite 300
Irvine, California 92614
Attn: Doug J Wade
R"&AtXC (tea/' rVS
Authorized for release by:
1212812021 8:20:10 AM
Roxanne Cisneros, Senior Project Manager
[phone]
[e-mail]
The test results in this report meet all 2003 NELAC, 2009 TNI, and 2016 TNI requirements for
accredited parameters, exceptions are noted in this report. This report may not be reproduced
except in full, and with written approval from the laboratory. For questions please contact the
Project Manager at the e-mail address or telephone number listed on this page.
This report has been electronically signed and authorized by the signatory. Electronic signature is
intended to be the legally binding equivalent of a traditionally handwritten signature.
Results relate only to the items tested and the sample(s) as received by the laboratory.

Definitions/Glossary
Client: ERM-West Job ID: 680-208586-1
Project/Site: Storm Water - Amazon Warehouses RDU1
Glossary
Abbreviation These commonly used abbreviations may or may not be present in this report.
II Listed under the "D" column to designate that the result is reported on a dry weight basis
%R Percent Recovery
CFL Contains Free Liquid
CFU Colony Forming Unit
CNF Contains No Free Liquid
DER Duplicate Error Ratio (normalized absolute difference)
Dil Fac Dilution Factor
DL Detection Limit (DoD/DOE)
DL, RA, RE, IN Indicates a Dilution, Re -analysis, Re -extraction, or additional Initial metals/anion analysis of the sample
DLC Decision Level Concentration (Radiochemistry)
EDL Estimated Detection Limit (Dioxin)
LOD Limit of Detection (DoD/DOE)
LOQ Limit of Quantitation (DoD/DOE)
MCL EPA recommended "Maximum Contaminant Level'
MDA Minimum Detectable Activity (Radiochemistry)
MDC Minimum Detectable Concentration (Radiochemistry)
MDL Method Detection Limit
ML Minimum Level (Dioxin)
MPN Most Probable Number
MQL Method Quantitation Limit
NC Not Calculated
ND Not Detected at the reporting limit (or MDL or EDL if shown)
NEG Negative / Absent
POS Positive / Present
PQL Practical Quantitation Limit
PRIES Presumptive
QC Quality Control
RER Relative Error Ratio (Radiochemistry)
RL Reporting Limit or Requested Limit (Radiochemistry)
RPD Relative Percent Difference, a measure of the relative difference between two points
TEF Toxicity Equivalent Factor (Dioxin)
TEQ Toxicity Equivalent Quotient (Dioxin)
TNTC Too Numerous To Count
Eurofins TestAmerica, Savannah
Page 2 of 13 12/28/2021

Sample Summary
Client: ERM-West
Project/Site: Storm Water - Amazon Warehouses RDU1
Lab Sample ID Client Sample ID Matrix Collected Received
680-208586-1 RDU1_Sample_Point_01_20211208 Water 12/08/2109:00 12/09/2111:00
680-208586-2 RDU1_Sample_Point_02_20211208 Water 12/08/2108:20 12/09/2111:00
Job ID: 680-208586-1
Page 3 of 13 Eurofins TestAmerica, FP 226t1

Case Narrative
Client: ERM-West
Project/Site: Storm Water - Amazon Warehouses RDW
Job ID: 680-208586-1
Laboratory: Eurofins TestAmerica, Savannah
Narrative
Job ID: 680-208586-1
F47
Job Narrative
680-208586-1
Comments
No additional comments.
Receipt
The samples were received on 12/9/2021 11:00 AM. Unless otherwise noted below, the samples arrived in good condition, and where
required, properly preserved and on ice. The temperature of the cooler at receipt was 2.30 C.
General Chemistry
No analytical or quality issues were noted, other than those described in the Definitions/Glossary page.
Eurofins TestAmerica, Savannah
Page 4 of 13 12/28/2021

Client Sample Results
Client: ERM-West Job ID: 680-208586-1
Project/Site: Storm Water - Amazon Warehouses RDU1
Client Sample ID: RDU1_Sample_Point_01_20211208 Lab Sample ID: 680-208586-1
Date Collected: 12/08/21 09:00 Matrix: Water
Date Received: 12/09/21 11:00
General Chemistry
Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac
Chemical Oxygen Demand 110 10 5.0 mg/L 12/20/21 20:01 1
Total Suspended Solids 12 2.5 2.5 mg/L 12/15/21 14:47 1
Eurofins TestAmerica, Savannah
Page 5 of 13 12/28/2021

Client Sample Results
Client: ERM-West Job ID: 680-208586-1
Project/Site: Storm Water - Amazon Warehouses RDU1
Client Sample ID: RDU1_Sam ple_Point_02_20211208 Lab Sample ID: 680-208586-2
Date Collected: 12/08/21 08:20 Matrix: Water
Date Received: 12/09/21 11:00
General Chemistry
Analyte Result Qualifier RL MDL Unit D Prepared Analyzed Dil Fac
Chemical Oxygen Demand <5.0 10 5.0 mg/L 12/20/21 13:03 1
Total Suspended Solids 12 2.5 2.5 mg/L 12/15/21 14:47 1
Eurofins TestAmerica, Savannah
Page 6 of 13 12/28/2021

QC Sample Results
Client: ERM-West
Job ID: 680-208586-1
Project/Site: Storm Water - Amazon Warehouses RDU1
Method: 5220D-2011 - Chemical Oxygen Demand
Lab Sample ID: MB 680-699877/3
Client Sample ID: Method Blank
Matrix: Water
Prep Type: Total/NA
Analysis Batch: 699877
MB MB
Analyte Result Qualifier
RL
MDL Unit D Prepared Analyzed Dil Fac
Chemical Oxygen Demand <5.0
10
5.0 mg/L 12/20/21 13:03 1
Lab Sample ID: LCS 680-699877/4
Client Sample ID: Lab Control Sample
Matrix: Water
Prep Type: Total/NA
Analysis Batch: 699877
Spike
LCS LCS %Rec.
Analyte
Added
Result Qualifier Unit D %Rec Limits
Chemical Oxygen Demand
50.0
47.0 mg/L 94 90-110
Lab Sample ID: MB 680-699940/3
Client Sample ID: Method Blank
Matrix: Water
Prep Type: Total/NA
Analysis Batch: 699940
MB MB
Analyte Result Qualifier
RL
MDL Unit D Prepared Analyzed Dil Fac
Chemical Oxygen Demand <5.0
10
5.0 mg/L 12/20/21 20:01 1
Lab Sample ID: LCS 680-699940/4
Client Sample ID: Lab Control Sample
Matrix: Water
Prep Type: Total/NA
Analysis Batch: 699940
Spike
LCS LCS %Rec.
Analyte
Added
Result Qualifier Unit D %Rec Limits
Chemical Oxygen Demand
50.0
49.0 mg/L 98 90-110
Method: SM 2540D - Solids, Total Suspended (TSS)
Lab Sample ID: MB 680-699056/1
Client Sample ID: Method Blank
Matrix: Water
Prep Type: Total/NA
Analysis Batch: 699056
MB MB
Analyte Result Qualifier
RL
MDL Unit D Prepared Analyzed Dil Fac
Total Suspended Solids <2.5
2.5
2.5 mg/L 12/15/21 14:47 1
Lab Sample ID: LCS 680-699056/2
Client Sample ID: Lab Control Sample
Matrix: Water
Prep Type: Total/NA
Analysis Batch: 699056
Spike
LCS LCS %Rec.
Analyte
Added
Result Qualifier Unit D %Rec Limits
Total Suspended Solids
951
828 mg/L 87 80 -120
Lab Sample ID: LCSD 680-699056/3
Client Sample ID: Lab Control Sample Dup
Matrix: Water
Prep Type: Total/NA
Analysis Batch: 699056
Spike
LCSD LCSD %Rec. RPD
Analyte
Added
Result Qualifier Unit D %Rec Limits RPD Limit
Total Suspended Solids
951
848 mg/L 89 80 - 120 2 25
Eurofins TestAmerica, Savannah
Page 7 of 13 12/28/2021

QC Association Summary
Client: ERM-West
Job ID: 680-208586-1
Project/Site: Storm Water
- Amazon Warehouses RDU1
General Chemistry
Analysis Batch: 699056
Lab Sample ID
Client Sample ID
Prep Type
Matrix
Method Prep Batch
680-208586-1
RDU1_Sample_Point_01_20211208
Total/NA
Water
SM 2540D
680-208586-2
RDU1_Sample_Point_02_20211208
Total/NA
Water
SM 2540D
MB 680-699056/1
Method Blank
Total/NA
Water
SM 2540D
LCS 680-699056/2
Lab Control Sample
Total/NA
Water
SM 2540D
LCSD 680-699056/3
Lab Control Sample Dup
Total/NA
Water
SM 2540D
Analysis Batch: 699877
Lab Sample ID
Client Sample ID
Prep Type
Matrix
Method Prep Batch
680-208586-2
RDU1_Sample_Point_02_20211208
Total/NA
Water
5220D-2011
MB 680-699877/3
Method Blank
Total/NA
Water
5220D-2011
LCS 680-699877/4
Lab Control Sample
Total/NA
Water
5220D-2011
Analysis Batch: 699940
Lab Sample ID
Client Sample ID
Prep Type
Matrix
Method Prep Batch
680-208586-1
RDU1_Sample_Point_01_20211208
Total/NA
Water
5220D-2011
MB 680-699940/3
Method Blank
Total/NA
Water
5220D-2011
LCS 680-699940/4
Lab Control Sample
Total/NA
Water
5220D-2011
Eurofins TestAmerica, Savannah
Page 8 of 13 12/28/2021

Lab Chronicle
Client: ERM-West
Project/Site: Storm Water - Amazon Warehouses RDU1
Job ID: 680-208586-1
Client Sample ID: RDU1_Sample_Point_01_20211208 Lab Sample ID: 680-208586-1
Date Collected: 12/08/21 09:00 Matrix: Water
Date Received: 12/09/21 11:00
Batch Batch
Dil Initial
Prep Type Type Method
Run Factor Amount
Total/NA Analysis 52201D-2011
1 2 mL
Instrument ID: SPC7
Total/NA Analysis SM 2540D
1 992 mL
Instrument ID: NOEQUIP
Client Sample ID: RDU1—Sam ple_Point_02_20211208
Date Collected: 12/08/21 08:20
Date Received: 12/09/21 11:00
Final
Batch
Prepared
Amount
Number
or Analyzed Analyst Lab
2-mL
699940
12/20/21 20:01 ALG TAL SAV
1000 mL
699056
12/15/21 14:47 PG TAL SAV
Lab Sample ID: 680-208586-2
Matrix: Water
Batch Batch
Dil
Initial
Final
Batch
Prepared
Prep Type Type Method
Run Factor
Amount
Amount
Number
or Analyzed Analyst Lab
Total/NA Analysis 52201D-2011
1
2 mL
__2mL
699877
12/20/21 13:03 ALG TAL SAV
Instrument ID: SPC7
Total/NA Analysis SM 2540D
1
1000 mL
1000 mL
699056
12/15/21 14:47 PG TAL SAV
Instrument ID: NOEQUIP
Laboratory References:
TAL SAV = Eurofins TestAmerica, Savannah, 5102 LaRoche Avenue, Savannah, GA 31404, TEL [phone]
Page 9 of 13
Eurofins TestAmerica, Savannah
12/28/2021

Accreditation/Certification Summary
Client: ERM-West Job ID: 680-208586-1
Project/Site: Storm Water - Amazon Warehouses RDU1
Laboratory: Eurofins TestAmerica, Savannah
The accreditations/certifications listed below are applicable to this report.
Authority Program Identification Number Expiration Date
North Carolina (VWV/SVV) State 269 12-31-21
Eurofins TestAmerica, Savannah
Page 10 of 13 12/28/2021

Method Summary
Client: ERM-West
Project/Site: Storm Water - Amazon Warehouses RDU1
Job ID: 680-208586-1
Method Method Description Protocol Laboratory
5220D-2011 Chemical Oxygen Demand SM TAIL SAV
SM 2540D Solids, Total Suspended (TSS) SM TAIL SAV
Protocol References:
SM = "Standard Methods For The Examination Of Water And Wastewater"
Laboratory References:
TAL SAV = Eurofins TestAmerica, Savannah, 5102 LaRoche Avenue, Savannah, GA 31404, TEL [phone]
Eurofins TestAmerica, Savannah
Page 11 of 13 12/28/2021

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Page 12 of 13 12/28/2021

Login Sample Receipt Checklist
Client: ERM-West
Login Number: 208586
List Number: 1
Creator: Padayao, Abigail
Question Answer
Radioactivity wasn't checked or is </= background as measured by a survey
N/A
meter.
The cooler's custody seal, if present, is intact.
True
Sample custody seals, if present, are intact.
True
The cooler or samples do not appear to have been compromised or
True
tampered with.
Samples were received on ice.
True
Cooler Temperature is acceptable.
True
Cooler Temperature is recorded.
True
COC is present.
True
COC is filled out in ink and legible.
True
COC is filled out with all pertinent information.
True
Is the Field Sampler's name present on COC?
True
There are no discrepancies between the containers received and the COC.
True
Samples are received within Holding Time (excluding tests with immediate
True
HTs)
Sample containers have legible labels.
True
Containers are not broken or leaking.
True
Sample collection date/times are provided.
True
Appropriate sample containers are used.
True
Sample bottles are completely filled.
True
Sample Preservation Verified.
True
There is sufficient vol. for all requested analyses, incl. any requested
True
MS/MSDs
Containers requiring zero headspace have no headspace or bubble is
True
<6mm (1/4").
Multiphasic samples are not present.
True
Samples do not require splitting or compositing.
True
Residual Chlorine Checked.
N/A
Job Number: 680-208586-1
List Source: Eurofins TestAmerica, Savannah
Comment
Eurofins TestAmerica, Savannah
Page 13 of 13 12/28/2021