Attachment 2: Water Sampling Results
Updated
A PDF document (959 KB) attached to Ca-San Luis Nwr-Fire System Rehab, from the Departmental Offices. Due Nov 30, 2026, 1:00 PM (UTC-8).
File name: 3__Attachment__2_-_Water_Sampling_Results.pdf
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25 February 2025
USFWS San Luis NWR Complex Visitor
Attn: Scott Crist
7376 S. Wolfsen Rd
Los Banos, CA 93635
RE: Water Quality 10 day TAT
Work Order: 25A4623
Enclosed are the results of analyses for samples received by the laboratory on 01/30/25 08:10. If you have any questions concerning this report, please feel free to contact me.
Sincerely,
David S. Pingatore
Project Manager
USFWS San Luis NWR Complex Visitor
7376 S. Wolfsen Rd
Los Banos CA, 93635
Project:
Project #:
Project Mgr:
Water Quality 10 day TAT
Investigative Sampling
Scott Crist
Reported:
02/25/25 12:20
Analytical Report for Samples
Sample ID
Laboratory ID
Matrix
Date Sampled
Date Received
Well 01
25A4623-01
Water
01/29/25 11:30
01/30/25 08:10
The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.
Sample Name:
Laboratory ID:
Well 01
25A4623-01
Report Date:
02/25/25 12:20
System Name:
PS Code:
Sampled by:
Employed by:
USFWS San Luis NWR Complex Visitor
Sample Date:
Sample Received:
01/29/25 11:30
01/30/25 08:10
J. Ward
Data submitted to DDW via EDT
Parameter
Temperature, deg F
Langelier Index @ 60C
Result
MCL
DLR
66.6
1.25
RL
Units
Storet
Test Method
32.0 °
-10.00 NU.
71813
Field
LSI
RL
Units
Storet
Test Method
1.0
5.0
5.0
5.0
5.0
5.0
1.68
mg/L
mg/L
mg/L
mg/L
mg/L
mg/L
umhos/cm
mg/L
pH Units
00916
00445
00410
71830
00445
00440
00095
70300
00403
EPA 200.7
SM2320B
SM2320B
SM2320B
SM2320B
SM2320B
SM2510B
SM2540C
SM4500-H+ B
RL
Units
Storet
Test Method
71814
LSI
ELAP #
1551*
1551*
General Mineral and Physical
Parameter
Calcium
Carbonate
Total Alkalinity as CaCO3
Hydroxide Alkalinity as CaCO3
Carbonate Alkalinity as CaCO3
Bicarbonate Alkalinity as CaCO3
Specific Conductance (EC)
Total Dissolved Solids
pH
Result
<5.0
<5.0
<5.0
3500
2100
8.11
MCL
DLR
TMC
TMC
ELAP #
1551
1551
1551
1551
1551
1551
1551
1551
1551
Inorganic: Additional Analyses
Parameter
Langelier Index @ Source Temp
Result
0.51
MCL
DLR
-10.00 NU.
ELAP #
1551*
The results in this report apply to the samples analyzed in accordance with the chain of custody document. This analytical report must be reproduced in its entirety.
Notes and Definitions
DLR
Detection limit for purposes of reporting set by the DDW
RL
Laboratory reporting limit
MCL
Maximum contaminant level set by California
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