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
Is the 22nd Edition of SM an "Editorial" revision? 01487708 0 4213 Wednesday, October 24, 2012 9:28 AM 
Influent Composite sample, how representative? Tom Hons 0 3452 Tuesday, November 22, 2011 4:07 PM 
How often to Acid Wash sampler hoses? Keith Chapman 4 8462 Tuesday, June 28, 2011 4:40 AM 
How low can you go? Mark Milne 11 12206 Monday, June 27, 2011 1:28 PM 
How do I post a New Topic? Keith C 0 2081 Wednesday, June 13, 2012 12:57 PM 
High GGA's? DL 8 11837 Monday, April 12, 2010 12:06 PM 
High GGA Brent Dickey 9 4728 Wednesday, September 28, 2011 10:30 AM 
High CBOD/Low COD Gregg Mitchell 6 5324 Sunday, January 1, 2012 12:41 AM 
Have a Happy BOD Christmas! 01478909 0 2779 Friday, December 21, 2012 9:48 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 9686 Thursday, January 20, 2011 2:30 PM 
Guidance for TNTC on Q-Tray E.Coli and HT Jason Graham 0 3850 Thursday, December 15, 2011 11:43 AM 
gravity vs. mechanical convection incubators rainman 1 9844 Thursday, May 27, 2010 4:58 PM 
GGA, results not consistent dmclaug 5 11387 Thursday, December 1, 2011 1:13 AM 
GGA high- Tried Everything I can think of. 17797700 2 11060 Friday, July 10, 2015 12:17 PM 
GGA always near 150 mg/L. losierj 9 7667 Monday, June 27, 2011 1:54 AM 
Generic Control Limits for RPD and Standards Nimo 1 5281 Monday, December 6, 2010 12:19 PM 
general lab problems adri 3 7545 Monday, February 8, 2010 4:43 PM 
Foaming Tests Alan Yen 1 8338 Tuesday, June 8, 2010 10:37 PM 
Flame AA analysis JohnE 2 9121 Friday, July 16, 2010 9:48 AM 
FeCl3-EDTA (Fe Chelate) reagent Antonios Eleftherianos 0 2695 Wednesday, March 28, 2012 12:01 AM 
Fecal MPN A-1 Donald Tucker 0 9150 Monday, April 19, 2010 2:50 PM 
Farewell Victor Santa Cruz 0 7530 Thursday, December 17, 2009 12:19 PM 
EPA To Approve Hg By ICP/MS??? Charles Lytle 9 9264 Wednesday, June 29, 2011 7:26 AM 
EPA 1631 & Sample interferences when running Hydra AF Gold Ginger Wynne 1 5505 Wednesday, August 24, 2011 7:59 AM 
Enterococcus 17537384 2 2259 Thursday, July 18, 2013 1:44 PM 
Effluent Sampling Dennis Hudson 7 13783 Wednesday, October 19, 2011 1:27 AM 
Effluent BOD from Membrane Bioreactor Elizabeth Lawrence 3 8886 Friday, July 9, 2010 3:29 PM 
EasyChem Discrete Analyzer 17661043 1 2382 Wednesday, May 8, 2013 9:19 AM 
E. coli by IDEXX Gregg Mitchell 10 9602 Wednesday, June 29, 2011 6:37 AM 
DPD Indicator for Total Residual Chlorine 01742793 0 9810 Thursday, May 7, 2015 3:50 PM 
DO meter Calibration help Tia 6 11794 Monday, March 1, 2010 8:31 AM 
DO interference James Royer 0 4761 Tuesday, September 20, 2011 11:50 AM 
DMRQA Study 30 Keith Chapman 18 11397 Wednesday, June 29, 2011 6:26 AM 
Disposable BOD bottle aursci 0 12662 Friday, February 27, 2015 9:16 AM 
Digital water bath thermometer recommendations. Elrick 1 3692 Friday, May 18, 2012 9:03 AM 
Dechlorination Mark Ultis 16 11213 Wednesday, June 29, 2011 6:56 AM 
Dear GGA, We need to talk nick 4 9284 Wednesday, October 19, 2011 9:23 AM 
Cyanide Method Detection Limit Mike 3 5465 Thursday, December 15, 2011 3:06 PM 
Cyanide Issue dsmith 7 8287 Tuesday, June 28, 2011 4:17 AM 
Cyanide By Proposed ASTM D7511-09 Charles Lytle 1 7543 Thursday, December 15, 2011 3:16 PM 
Control Charting LabLady 7 10028 Friday, May 7, 2010 3:08 PM 
Continuous culture for BOD/CBOD seed? bwest 2 9442 Wednesday, October 12, 2011 4:15 AM 
conductivity meter donna 3 7337 Wednesday, June 29, 2011 6:42 AM 
Comparison of manometric and disolve oxygen method of BOD Antonios Eleftherianos 3 3362 Tuesday, March 27, 2012 5:00 PM 
Commerical Seed or Supernantant?????? dmclaug 13 12073 Wednesday, October 19, 2011 1:28 AM 
Commercially Prepared TSS/VSS Filters Susan Ledbetter 8 11499 Wednesday, June 29, 2011 7:38 AM 
Combined Centrate flows / TSS Nick 1 18539 Thursday, November 14, 2013 6:23 PM 
Columns for SVI and ZSV tests Jurek Patoczka 2 9745 Tuesday, May 11, 2010 12:54 PM 
COD Testing using HACH TNTPlus celgar_girl 19 9633 Wednesday, June 29, 2011 6:41 AM 
COD Standard Values cgraham@dmi.ca 0 2409 Saturday, February 16, 2013 3:42 PM 
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