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WEF Discussion Forums » Laboratory Management and Technical Issues

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Laboratory Management and Technical Issues
  Topics Topic Starter Replies Views Last Post
Another EPA Method Update Rule Keith Chapman 16 10665 Wednesday, October 19, 2011 1:26 AM 
Need good pH probe for wastewater Keith Chapman 1 8416 Monday, July 12, 2010 2:40 PM 
12th Edition of Standard Methods Needed! Keith Chapman 3 9277 Tuesday, May 25, 2010 4:30 PM 
QAQC for Small WW Labs Document Keith Chapman 0 7686 Wednesday, May 19, 2010 5:30 PM 
MDL Quandary Keith Chapman 4 9380 Tuesday, May 11, 2010 3:25 PM 
Polyethylene Glycol treatability Keith Chapman 0 5979 Monday, February 8, 2010 4:09 PM 
DMRQA Study 30 Keith Chapman 18 10498 Wednesday, June 29, 2011 6:26 AM 
A visit from St. Nicholas to the Lab Keith Chapman 1 6588 Thursday, January 21, 2010 12:29 PM 
Ammonia results as NH3-N Lab newbie 2 8545 Thursday, December 1, 2011 1:11 AM 
Number of Lab Analysts Lab1Man 6 10052 Monday, June 14, 2010 9:30 AM 
Control Charting LabLady 7 9090 Friday, May 7, 2010 3:08 PM 
Calibrating DO Meter LabLady 14 14441 Wednesday, October 19, 2011 1:28 AM 
Chemical Storage LabRat 3 10263 Wednesday, October 12, 2011 4:14 AM 
Negative BOD calculations LabRat 12 10315 Tuesday, June 28, 2011 4:40 AM 
GGA always near 150 mg/L. losierj 9 6689 Monday, June 27, 2011 1:54 AM 
BOD vs nBOD Mark Milne 14 11237 Wednesday, October 12, 2011 4:20 AM 
How low can you go? Mark Milne 11 11260 Monday, June 27, 2011 1:28 PM 
Dechlorination Mark Ultis 16 10168 Wednesday, June 29, 2011 6:56 AM 
BOD Testing & Meter Calibration mawsonspoo 7 10820 Wednesday, June 29, 2011 6:31 AM 
BOD blank depletion: 0.2 or 0.20? mbuff 8 5786 Wednesday, June 29, 2011 6:49 AM 
Cyanide Method Detection Limit Mike 3 4358 Thursday, December 15, 2011 3:06 PM 
BP Oil Leak; environmentalists to blame mitochondrialBliss 2 8326 Wednesday, June 9, 2010 5:03 PM 
Tough question: If benzene is detected in a surface water.... mitochondrialBliss 2 6454 Thursday, May 27, 2010 4:03 PM 
Lab Equipment looking for school mitochondrialBliss 9 10629 Wednesday, June 29, 2011 6:43 AM 
Thiourea Analysis ? M-Spike 1 7775 Thursday, February 3, 2011 10:16 AM 
Dear GGA, We need to talk nick 4 8297 Wednesday, October 19, 2011 9:23 AM 
Generic Control Limits for RPD and Standards Nimo 1 4449 Monday, December 6, 2010 12:19 PM 
Odor analysis norcaltech 0 10444 Wednesday, January 20, 2010 2:03 PM 
Blank Subtraction Pat 3 3234 Sunday, February 19, 2012 11:20 AM 
Oxitop method Paul 0 7642 Thursday, April 8, 2010 1:08 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 8753 Thursday, January 20, 2011 2:30 PM 
lab equipment annual service perkman 8 7074 Wednesday, October 12, 2011 4:22 AM 
Non-Members Can Now Post New Topics Perry 6 10662 Friday, July 1, 2011 8:05 AM 
BOD/CBOD Changes in 5210B 22d Edition(3) Perry Brake 4 1667 Friday, May 18, 2012 9:01 AM 
BOD Bottle Method? Grad Cylinder Method? Hybrid? Perry Brake 18 14707 Saturday, January 9, 2010 6:38 PM 
LDO probe calibration verification? peterm 13 9638 Wednesday, June 29, 2011 6:42 AM 
NO@/NO3 Preserved Sample Analysis Quantification PHanners 2 7225 Friday, December 10, 2010 7:57 AM 
gravity vs. mechanical convection incubators rainman 1 9114 Thursday, May 27, 2010 4:58 PM 
TSS standard Rashmi Patel 2 5290 Thursday, September 8, 2011 3:12 PM 
Setting ethanol and methanol limits. RBladen 1 829 Monday, May 7, 2012 2:45 PM 
ASTi IOTRON TM SENSORS roy_p 0 2769 Monday, October 3, 2011 12:52 PM 
Matrix spike recovery calculations Ruby 1 2039 Friday, April 6, 2012 7:36 AM 
Sample pH adjustment and temperature for BOD test runnerlabber 2 8533 Tuesday, July 20, 2010 5:28 PM 
BOD/CBOD toxicity?? runnerlabber 25 23779 Wednesday, October 19, 2011 1:25 AM 
Allythiourea (ATU) for nitrification inihibitor runnerlabber 1 6965 Thursday, December 1, 2011 1:09 AM 
Total Dissolved Solids sb 5 10196 Sunday, April 11, 2010 12:08 PM 
Polyseed Shawn 11 36718 Wednesday, October 19, 2011 1:27 AM 
Membrane filtration for Fecal Coiliforms st 1 10013 Thursday, May 27, 2010 4:23 PM 
Significant Digits st 20 12000 Wednesday, October 19, 2011 1:26 AM 
BOD blanks st77 23 10649 Wednesday, June 29, 2011 6:25 AM 
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