ARWA Training Class

Lab Procedures: Turbidity, pH, Chlorine, Sampling/Chain of Custody, & Langlier Index

This class will assist water operators and staff with water chemistry, sampling, and analyses.  Presentations will include discussions on turbidity, chlorine, pH as well as the importance of proper sampling technique and chain of custody procedures.  Once accurate data is created is can then be used for internal and regulatory purposes and Langlier Index calculations.  Bring your data: pH, temp, T. Alk., Hardness (Ca or Total), & TDS or conductivity for Langelier Index calculation.

Class Agenda

08:00 AM08:30 AMWelcome and Introductions
08:30 AM09:30 AMTurbidity- What is EPA method 180.1 and how does it affect my online/lab turbidity instruments
Julie Dawson – HF Scientific
09:30 AM10:30 AMMeasuring Lab & Online Chlorine: Pros/Cons of different methods & selecting the right application for your plant
Julie Dawson – HF Scientific
10:30 AM11:30 AMpH and why accuracy is important & Electrochemical Measurement of pH
Danny Hutcherson - C. C. Lynch & Associates, Inc.
11:30 AM12:30 PMLunch (on your own)
12:30 PM01:30 PMLangelier Index calculation
Danny Hutcherson - C. C. Lynch & Associates, Inc.
01:30 PM02:30 PMChain of Custody: proper sample collection and documentation to protect your samples and data
Lennette West - Revere Control Systems
02:30 PM03:30 PMData Acquisition: Data needs, use, and security
Lennette West - Revere Control Systems
03:30 PM04:00 PMClass Wrap-Up and Evaluations

Event Information

City Hall
559 West Front Street
Thomasville, AL 36784
  • CEH Type:
  • Water
  • CEH Hours:
  • 7 hours
  • Start Date:
  • 11/04/2021
  • Start Time:
  • 8:00 AM
  • Cost:
  • $0.00

Event Point of Contact


Katie Hill
Class Moderator