Organic load - BOD and COD
Measuring biochemical (BOD) and chemical (COD) oxygen demand - an indication of the organic load the plant places on the sewer system.
A plant that discharges wastewater into the sewer system is subject to water utility rules, and any exceedance of the threshold values leads to excess wastewater charges that can reach hefty sums. Periodic sampling checks organic load, oils, heavy metals and pH, and catches exceedances before they turn into a charge. Kesar Digum samples on-site and tests in an ISO 17025 accredited laboratory, nationwide.
Every plant discharges wastewater with a composition unique to its production process - raw-material residues, oils, metals and organic matter. The water and sewer utility rules (industrial wastewater) set threshold values for each parameter, and every exceedance translates into an added charge. Representative sampling checks the composition at the discharge point, pinpoints the source of the exceedance and lets you address it in time. Kesar Digum takes the samples on-site with certified samplers, sends them for testing at an accredited laboratory and returns a clear report with recommendations.
The load and contamination parameters that determine your charges with the utility, by line of business.
Measuring biochemical (BOD) and chemical (COD) oxygen demand - an indication of the organic load the plant places on the sewer system.
Testing the concentration of suspended solids and the pH level - basic parameters in every industrial wastewater monitoring program.
Testing for oils and fats and heavy metals, common components in industrial wastewater that are subject to strict threshold values.
When a representative sample of the average flow is required, we perform composite sampling with an automatic sampler over the full day.
Full DetailsThe water utility rules require wastewater monitoring in a range of situations. These are the most common:
A plant whose activity discharges wastewater with an unusual load is required to follow a periodic monitoring program set by the water utility.
The water utility defines for each plant the parameters, the sampling point and the frequency, according to the line of business and scale of activity.
A previous exceedance result, a blockage in the sewer system or a complaint require additional sampling to trace the source of the exceedance.
Adding a production line, a new raw material or a process change may alter the wastewater composition and require renewed sampling.
Unmonitored non-compliant wastewater quickly turns from an operational issue into a heavy financial expense:
An exceedance of the threshold values translates into an added charge on every cubic meter of wastewater, and can pile heavy sums onto the plant.
Repeated failure to meet the rules exposes the plant to warnings, correction demands and, in severe cases, restrictions on operation.
Oils, solids and metals at high loads cause blockages and wear on the conveyance system, leading to failures and repair costs.
We'll carry out representative sampling on-site, arrange testing at an accredited laboratory and return a report that helps you meet the water utility rules and reduce excess wastewater charges - nationwide.
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