Taking a Sludge Sample Prior to agitation
5b. If dewatering lagoon prior to agitation, then
Use for tank spreader or sludge dewatering
- slowly break the vacuum by remove your thumb from the end of the pipe
- place only the black sludge in the 5-gallon bucket, divert supernatant back into the lagoon
- collect at least 5 samples from around the lagoon
- mix samples in plastic bucket,and send sub-sample for analysis