WEF Discussions — Now on LinkedIn!

WEF is pleased to announce the creation of free LinkedIn groups associated with its technical discussion forum topics. Through these LinkedIn groups, members will be able to view and participate in discussions, as well as communicate with one another via direct messages. Share your experiences and knowledge, ask questions and respond to other discussions as frequently as you like!

You must have a LinkedIn profile to join a LinkedIn group; you can create your profile here. If you already have a LinkedIn profile, all you need to do is submit a request to join one or all of the following groups:

Water Environment Federation (Main) | Biosolids | Collection Systems | Nutrients | Stormwater 
Utility Management | Water Reuse | Water for Jobs | Watershed Management | Laboratory Practices 

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Laboratory Management and Technical Issues
  Topics Topic Starter Replies Views Last Post
How often to Acid Wash sampler hoses? Keith Chapman 4 8070 Tuesday, June 28, 2011 4:40 AM 
How low can you go? Mark Milne 11 12025 Monday, June 27, 2011 1:28 PM 
How do I post a New Topic? Keith C 0 1598 Wednesday, June 13, 2012 12:57 PM 
High GGA's? DL 8 11314 Monday, April 12, 2010 12:06 PM 
High GGA Brent Dickey 9 4205 Wednesday, September 28, 2011 10:30 AM 
High CBOD/Low COD Gregg Mitchell 6 4915 Sunday, January 1, 2012 12:41 AM 
Have a Happy BOD Christmas! 01478909 0 2191 Friday, December 21, 2012 9:48 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 9143 Thursday, January 20, 2011 2:30 PM 
Guidance for TNTC on Q-Tray E.Coli and HT Jason Graham 0 3273 Thursday, December 15, 2011 11:43 AM 
gravity vs. mechanical convection incubators rainman 1 9388 Thursday, May 27, 2010 4:58 PM 
GGA, results not consistent dmclaug 5 10825 Thursday, December 1, 2011 1:13 AM 
GGA high- Tried Everything I can think of. 17797700 0 1404 Thursday, June 4, 2015 2:18 PM 
GGA always near 150 mg/L. losierj 9 7134 Monday, June 27, 2011 1:54 AM 
Generic Control Limits for RPD and Standards Nimo 1 4790 Monday, December 6, 2010 12:19 PM 
general lab problems adri 3 7056 Monday, February 8, 2010 4:43 PM 
Foaming Tests Alan Yen 1 7931 Tuesday, June 8, 2010 10:37 PM 
Flame AA analysis JohnE 2 8632 Friday, July 16, 2010 9:48 AM 
FeCl3-EDTA (Fe Chelate) reagent Antonios Eleftherianos 0 2063 Wednesday, March 28, 2012 12:01 AM 
Fecal MPN A-1 Donald Tucker 0 8753 Monday, April 19, 2010 2:50 PM 
Farewell Victor Santa Cruz 0 7029 Thursday, December 17, 2009 12:19 PM 
EPA To Approve Hg By ICP/MS??? Charles Lytle 9 8921 Wednesday, June 29, 2011 7:26 AM 
EPA 1631 & Sample interferences when running Hydra AF Gold Ginger Wynne 1 5045 Wednesday, August 24, 2011 7:59 AM 
Enterococcus 17537384 2 1692 Thursday, July 18, 2013 1:44 PM 
Effluent Sampling Dennis Hudson 7 13305 Wednesday, October 19, 2011 1:27 AM 
Effluent BOD from Membrane Bioreactor Elizabeth Lawrence 3 8417 Friday, July 9, 2010 3:29 PM 
EasyChem Discrete Analyzer 17661043 1 1768 Wednesday, May 8, 2013 9:19 AM 
E. coli by IDEXX Gregg Mitchell 10 9126 Wednesday, June 29, 2011 6:37 AM 
DPD Indicator for Total Residual Chlorine 01742793 0 938 Thursday, May 7, 2015 3:50 PM 
DO meter Calibration help Tia 6 11387 Monday, March 1, 2010 8:31 AM 
DO interference James Royer 0 4345 Tuesday, September 20, 2011 11:50 AM 
DMRQA Study 30 Keith Chapman 18 10904 Wednesday, June 29, 2011 6:26 AM 
Disposable BOD bottle aursci 0 3023 Friday, February 27, 2015 9:16 AM 
Digital water bath thermometer recommendations. Elrick 1 3107 Friday, May 18, 2012 9:03 AM 
Dechlorination Mark Ultis 16 10580 Wednesday, June 29, 2011 6:56 AM 
Dear GGA, We need to talk nick 4 8697 Wednesday, October 19, 2011 9:23 AM 
Cyanide Method Detection Limit Mike 3 4941 Thursday, December 15, 2011 3:06 PM 
Cyanide Issue dsmith 7 7945 Tuesday, June 28, 2011 4:17 AM 
Cyanide By Proposed ASTM D7511-09 Charles Lytle 1 7194 Thursday, December 15, 2011 3:16 PM 
Control Charting LabLady 7 9515 Friday, May 7, 2010 3:08 PM 
Continuous culture for BOD/CBOD seed? bwest 2 9010 Wednesday, October 12, 2011 4:15 AM 
conductivity meter donna 3 6921 Wednesday, June 29, 2011 6:42 AM 
Comparison of manometric and disolve oxygen method of BOD Antonios Eleftherianos 3 2744 Tuesday, March 27, 2012 5:00 PM 
Commerical Seed or Supernantant?????? dmclaug 13 11579 Wednesday, October 19, 2011 1:28 AM 
Commercially Prepared TSS/VSS Filters Susan Ledbetter 8 11079 Wednesday, June 29, 2011 7:38 AM 
Combined Centrate flows / TSS Nick 1 9448 Thursday, November 14, 2013 6:23 PM 
Columns for SVI and ZSV tests Jurek Patoczka 2 9244 Tuesday, May 11, 2010 12:54 PM 
COD Testing using HACH TNTPlus celgar_girl 19 9275 Wednesday, June 29, 2011 6:41 AM 
COD Standard Values cgraham@dmi.ca 0 1957 Saturday, February 16, 2013 3:42 PM 
COD on Grease Samples. CindyC 13 11632 Friday, July 1, 2011 8:06 AM 
COD homogenization evik 7 8437 Wednesday, June 29, 2011 6:37 AM 
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