Attachment 4 - Water Analysis.pdf
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- Renovation of High Reservoir #2
- Solicitation number
- GDP-B0061-5P
About this file
This is a water quality laboratory test report from DPW Baumholder, a U.S. military installation's water laboratory located in Hoppstädten-Weiersbach, Germany. The report documents analytical results for water samples collected from Hochbehälter 2 (Water Storage Tank #8444) on May 12, 2025.
The physical and chemical analysis, conducted on a glass bottle sample (HB2) collected at 9:50 a.m., indicates the water meets quality standards across all measured parameters. Key findings include: water temperature of 9.4°C, pH value of 8.12 (within the acceptable 6.5-9.5 range), electrical conductivity of 188 μS/cm, free chlorine of 0.52 mg/L, and total hardness of 4.22 °dH. All measured substances—including iron, calcium, chloride, sulfate, nitrate, nitrite, phosphate, and fluoride—remain within acceptable limits. The bacteriological analysis using IDEXX Colisure Test methodology shows absence (A) of total coliforms per 100mL and no fecal coliforms detected, with heterotrophic plate count results of <0.2 MPN per mL sample. The test was performed by RB/RS personnel at the laboratory located at Building #9870 A, Saarstrasse 201.
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Text version
DPW Baumholder, Water Laboratory Building #9870 A Saarstrasse 201, 55768 Hoppstädten - Weiersbach
DSN 314-531-3226
A= Hochbehälter 2 #8444 12.05.2025 B=
C=
D=
E=
B C D E
Probennahme Datum 12.05.2025 Zeit 9:50 durch RB/RS
Glasflasche Probennummer HB2
Aussehen Farbe, visual farblos
Trübung, visual / f.klar
Geruch qualitativ n.Chlor
Physikalisch Wassertemperatur °C 9.4 Elektrische Leitfähigkeit (max 2000μS/cm) μS/cm 188 Redox-Spannung mV 601 Färbung (max.20 Pt mg/l) Pt mg/L 0 Trübung (Streulicht) (max. 1 FNU) TE/F 0.12 pH-Wert (6.5-9.5) / 8.12 bei Temperatur von °C 17.1
Chemisch Chlor, frei Cl2 mg/L 0.52 Chlor, gesamt Cl2 mg/L 0.57 p-wert (Säurek. bis pH 8.2) mmol/L / m-Wert (Säurek. bis pH 4,3) mmol/L 1.25 Gesamthärte °dH 4.22 Karbonathärte °dH 3.5 Nichtkarbonathärte °dH 0.72 Gebundene Kohlensäure mg/L 27.5 Eisen (max 0.200 mg/l) mg/L 0.02 Calcium (max 400 mg/l) mg/L 23.4 Chlorid als CL mg/L 13 Sulfat als SO4 (max 240 mg/l) mg/L 3 Nitrat als NO3 (max 44 mg/l) mg/L 5.2 Nitrit als NO2 (max 0.1 mg/l) mg/L 0.011 Phosphat als PO4 mg/L 0.65 Fluorid als F (0.70 mg/l) mg/L /
DPW Baumholder
DPW Baumholder, Water Laboratory Building #9870 A Saarstrasse 201, 55768 Hoppstädten - Weiersbach
DSN 314-531-3226
A= Hochbehälter 2 8444 B= 0 C= 0 D= 0 E=
A B C D E
Bakteriolgische Flasche # 2025.05_C06
Bakteriolgische Identifikationsnummer 2025.05_C06
Bakteriologischer Zeit 12:00 Probenansatz durch RB
IDEXX Colisure Test
Gesamt-Coliforme Keime, bei 35°C, nach 24h presence (P)/Absence (A) per 100mL
A
(Escherichia) Fäkal-Coliforme durch hellblaue Fluoreszenz im UV-Licht, bei 35°C, nach 24h per 100mL
Nicht spezifizierte Kolonien (BACK GROWTH) per 100mL
Sim Plate Test Methode für HPC
MPN aus Tabelle (most probable number) pro mL Probe <0.2
Bemerkungen:
DPW Baumholder
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