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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 10669 Wednesday, October 19, 2011 1:26 AM 
Need good pH probe for wastewater Keith Chapman 1 8447 Monday, July 12, 2010 2:40 PM 
12th Edition of Standard Methods Needed! Keith Chapman 3 9260 Tuesday, May 25, 2010 4:30 PM 
QAQC for Small WW Labs Document Keith Chapman 0 7645 Wednesday, May 19, 2010 5:30 PM 
MDL Quandary Keith Chapman 4 9389 Tuesday, May 11, 2010 3:25 PM 
Polyethylene Glycol treatability Keith Chapman 0 5995 Monday, February 8, 2010 4:09 PM 
DMRQA Study 30 Keith Chapman 18 10518 Wednesday, June 29, 2011 6:26 AM 
A visit from St. Nicholas to the Lab Keith Chapman 1 6580 Thursday, January 21, 2010 12:29 PM 
Ammonia results as NH3-N Lab newbie 2 8569 Thursday, December 1, 2011 1:11 AM 
Number of Lab Analysts Lab1Man 6 10089 Monday, June 14, 2010 9:30 AM 
Control Charting LabLady 7 9104 Friday, May 7, 2010 3:08 PM 
Calibrating DO Meter LabLady 14 14432 Wednesday, October 19, 2011 1:28 AM 
Chemical Storage LabRat 3 10295 Wednesday, October 12, 2011 4:14 AM 
Negative BOD calculations LabRat 12 10216 Tuesday, June 28, 2011 4:40 AM 
GGA always near 150 mg/L. losierj 9 6690 Monday, June 27, 2011 1:54 AM 
BOD vs nBOD Mark Milne 14 11268 Wednesday, October 12, 2011 4:20 AM 
How low can you go? Mark Milne 11 11284 Monday, June 27, 2011 1:28 PM 
Dechlorination Mark Ultis 16 10165 Wednesday, June 29, 2011 6:56 AM 
BOD Testing & Meter Calibration mawsonspoo 7 10837 Wednesday, June 29, 2011 6:31 AM 
BOD blank depletion: 0.2 or 0.20? mbuff 8 5719 Wednesday, June 29, 2011 6:49 AM 
Cyanide Method Detection Limit Mike 3 4336 Thursday, December 15, 2011 3:06 PM 
BP Oil Leak; environmentalists to blame mitochondrialBliss 2 8344 Wednesday, June 9, 2010 5:03 PM 
Tough question: If benzene is detected in a surface water.... mitochondrialBliss 2 6466 Thursday, May 27, 2010 4:03 PM 
Lab Equipment looking for school mitochondrialBliss 9 10666 Wednesday, June 29, 2011 6:43 AM 
Thiourea Analysis ? M-Spike 1 7813 Thursday, February 3, 2011 10:16 AM 
Dear GGA, We need to talk nick 4 8330 Wednesday, October 19, 2011 9:23 AM 
Generic Control Limits for RPD and Standards Nimo 1 4467 Monday, December 6, 2010 12:19 PM 
Odor analysis norcaltech 0 10464 Wednesday, January 20, 2010 2:03 PM 
Blank Subtraction Pat 3 3174 Sunday, February 19, 2012 11:20 AM 
Oxitop method Paul 0 7656 Thursday, April 8, 2010 1:08 AM 
HACH BOD Nutrient Buffer Pillows Paul 7 8775 Thursday, January 20, 2011 2:30 PM 
lab equipment annual service perkman 8 7088 Wednesday, October 12, 2011 4:22 AM 
Non-Members Can Now Post New Topics Perry 6 10633 Friday, July 1, 2011 8:05 AM 
BOD/CBOD Changes in 5210B 22d Edition(3) Perry Brake 4 1693 Friday, May 18, 2012 9:01 AM 
BOD Bottle Method? Grad Cylinder Method? Hybrid? Perry Brake 18 14756 Saturday, January 9, 2010 6:38 PM 
LDO probe calibration verification? peterm 13 9637 Wednesday, June 29, 2011 6:42 AM 
NO@/NO3 Preserved Sample Analysis Quantification PHanners 2 7247 Friday, December 10, 2010 7:57 AM 
gravity vs. mechanical convection incubators rainman 1 9149 Thursday, May 27, 2010 4:58 PM 
TSS standard Rashmi Patel 2 5316 Thursday, September 8, 2011 3:12 PM 
Setting ethanol and methanol limits. RBladen 1 790 Monday, May 7, 2012 2:45 PM 
ASTi IOTRON TM SENSORS roy_p 0 2760 Monday, October 3, 2011 12:52 PM 
Matrix spike recovery calculations Ruby 1 2089 Friday, April 6, 2012 7:36 AM 
Sample pH adjustment and temperature for BOD test runnerlabber 2 8565 Tuesday, July 20, 2010 5:28 PM 
BOD/CBOD toxicity?? runnerlabber 25 23775 Wednesday, October 19, 2011 1:25 AM 
Allythiourea (ATU) for nitrification inihibitor runnerlabber 1 6941 Thursday, December 1, 2011 1:09 AM 
Total Dissolved Solids sb 5 10212 Sunday, April 11, 2010 12:08 PM 
Polyseed Shawn 11 36745 Wednesday, October 19, 2011 1:27 AM 
Membrane filtration for Fecal Coiliforms st 1 10053 Thursday, May 27, 2010 4:23 PM 
Significant Digits st 20 12023 Wednesday, October 19, 2011 1:26 AM 
BOD blanks st77 23 10691 Wednesday, June 29, 2011 6:25 AM 
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