Delta Treatment Systems • 9125 Comar Drive, Walker, LA 70785 • 1-800-219-9183 • www.deltatreatment.com
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PUMPOUT PROCEDURE
PROCEDURE
1. Determine the amount of mixed liquor suspended solids by using a “Sludge Judge” type
sampler through the 4” vent/sample port riser.
2. Leave the air compressor for the ATU running.
3. Insert vaccum hose into the main access riser. Skim o any oatable solids on the surface
of the clarier and lower to the bottom of the clarier.
Caution: Care must be taken not to damage the discharge tee assembly.
4. Pump out 80 to 90 percent of the ATU. Then remove the vacuum hose.
5. Insert a water hose into the main access riser. Wash down the clarier walls and partially
rell the ATU with clean water.
6. Repeat step 3 and rell the ATU with clean water.
*Never leave tank empty.
*Always use licensed pumpers/haulers for this task.
SLUDGE JUDGE
VACUUM HOSE
VACUUM HOSE
REFILL WITH CLEAN WATER
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