Plan Sites And Parameters
1 hourSelect QAQC replicates and field blanks.
Beginner3-6 hours
Water Quality Sampling Guide
Complete water quality sampling guide for hydrology practitioners. Step-by-step workflow with 4 stages and 3 specialized tools. Covers plan sites and parameters, collect depth-integrated samples, field measure do ph conductivity.
environmental monitorscitizen teams
Workflow
Collect Depth-Integrated Samples
2 hoursUse Van Dorn or grab per protocol.
Field Measure DO pH Conductivity
1 hourCalibrate probes; log temperature.
Chain Of Custody To Lab
45 minHold times documented on COC form.
Tools Used
Checklist
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Planning
Safety
Preparation
Execution
Documentation
Reference Materials
EPA 1200Standard
Rinse bottles with sample.
TDS EstimateFormula
TDS ≈ 0.64 × EC.
Hold TimesTable
Limits.
| Parameter | Hold |
|---|---|
| Nutrients | 48 h |
| Metals | 6 mo |
Rinse Protocol
Rinse sample bottles three times with site water before collecting.
Field Blanks
Collect field blanks to detect contamination during transport.
Contaminated Sites
Wear gloves at industrial outfalls — unknown chemicals may be present.
Safety Notes
- Wear PFD when sampling from boat.
- Avoid sampling after heavy runoff without PPE.