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Channel: Connecticut Water Pollution Abatement Association » Laboratory SOP
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Real Coliform Test

Collect sample in clean container from effluent composite sampler.  Bring sample back to lab.  Pour sample into (2) whil-pal sterilized water sampling bags containing sodium thiosulfate to 100 ml....

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Suspended Solids

Collect samples from appropriate sample areas.  Bring sample back to lab.  Vigorously shake sample and pour into appropriate volume graduated cylinder.  Take glass fiber filter paper out of oven and...

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Chlorine Residual Test

Take grab sample from effluent composite sampler.  Take sample back to lab for analysis.  Turn on DR2000 spectrophotometer  Press 80 and Read/Enter  Empty one chlorine total DPD packet in 25 ml....

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Winkler BOD Procedure

Add (1) ml. Manganous Sulfate to each 300 ml. BOD bottle to be tested with magnetic stirring bar in bottle.  Add (1) ml. Alkaline Iodide Azide to each 300 ml. BOD bottle to be tested.  Cap and shake...

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