Water Chemistry

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Water Chemistry Analysis and Sample Collection
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Water Chemistry Test Components
Field Chemistry Analysis we do on the
spot Grab Samples Samples we take for lab
analysis
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What you need to know
How to count to 10 The ability to differentiate
color How to follow step by step
instructions The ability to fill a bottle
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Field Chemistry Dissolved Oxygen pH TDS
Lamotte Testing Kits Hach Digital Titration
Kits YSI meters pH meters calibrated with 4-7-10
standard solutions Conductivity/TDS Meters
(calibrated)
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Dissolved Oxygen testing kit
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15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Dissolved Oxygen Levels 0-4 mg/l poor 4-7 mg/l
fair 7-10 mg/l good 10-14 mg/l excellent over 14
????? Check your test!
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15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
D O levels fluctuate during the day
600 AM
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pH testing kit
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14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Basic or Alkaline Range
pH-Good Between 6-9 Standard Units
Acid Range
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Conductivity Meter (and you get a thermometer)
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1500 1400 1300 1200 1100 1000 900 800 700 600 500
400 300 200 100 0
Conductivity
water's ability to conduct electricity The higher
the number, the poorer the quality.
Oil and Gas Well Discharge
Waste water impact
Normal Stream
Rain
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Field Chemistry
Run D.O., Temp pH every visit Record results
on Habitat Sheet, or Chain of Custody
Record Run DO between 600-1000 AM Kits have
chemical for 50 tests! (use them all you
want!) Practice makes perfect!
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Field Chemistry Check List
DO kit pH kit Thermometer Spent chemical waste
container Conductivity meter and
screwdriver Blue Book of instructions Recording
forms pencil First Aid Kit
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Grab Samples Herbicide/Pesticide Fecal
Coliform (Pathogens) Fall Low Flow
Standard methods of collection Full chain of
custody Professional lab analysis
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You will receive materials by mail Read
instructions upon receipt! (Critical info on
sample times and delivery included)
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Grab Samples Herbicide/Pesticide Bacteria
(E-Coli) Fall Low Flow
Collect sample in mid stream at mid depth (Or as
close as you can safely get) Face upstream with
mouth of container upstream of everything
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Paperwork

• Chain of Custody Record
• Site Code
• Location Description
• Field Chemistry Values
• Sample Collectors name
• Check to be sure info is correct
• Everyone who controls
• the sample must sign for
• it.

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• Chain of Custody Record
• Site Code
• Location Description
• Sample Collector name
• Field Chemistry Values
• Check to be sure info is correct, if not, please
  update it
• Everyone who controls the sample must sign for
  it.

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Samples must be kept immersed in ice (but not
frozen) Some samples may require preservatives
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Sample Collection logistics
Runners
Collection
900-100 PM
700-1000 AM
Team
4 hrs
Runner
Team
Team
Team
Runner
LAB
Team
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Professional labs will analyze samples
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Results will be reported on our web site!
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At the creek Practice Field Tests
(twice) Practice Sample Collection