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12 consecutive grab samples shall be taken out from the mechanical dewatering unit and drying unit to analyze “Dry solid content, DS%, of dewatered sludge prior to drying process” and “Dry solid content, DS%, of dried sludge”. 

12 consecutive grab samples shall be taken out from drying unit to analyse “Reduction in E.coli numbers, after sludge drying” as stated in Section 2, Table 2.6. 

Minimum 10 samples for each parameter shall be in compliance with the standard set out in Table 2.6 of the Employer's Requirements, Section 2: Design Basis. 

## Odor 

The required odor level to be fulfilled is stated in Volume 3: Employer's Requirements, Section 2: Design Basis, 2.6.2. The procedure of acceptance test shall be as follow: 

The odor shall be measured at a height of 2 meters above the ground and at a lateral distance of 1.5 m away from the odor removal unit at 24 hour average. 

When respective axial fan/s of a building/tank is running, the odor value shall not be more than 1000 OU inside the buildings and at max. 1 m distance to the tanks and other odor sources. 

These tests shall be maintained consecutive 12 days and minimum 10 days shall conform to acceptance criteria. 

## Noise 

