Environmental monitoring is data the enterprise outsources while the responsibility stays home: monitoring results enter the periodic environmental report, serve as evidence of compliance with the environmental licence, and are the first data reconciled when a pollution complaint arrives. Choosing a monitoring provider is therefore not buying a sampling errand — the core criterion is the provider’s legal monitoring eligibility for exactly the parameters and environmental components the plant must report.
Criterion one: the certificate of eligibility for monitoring services
An environmental monitoring provider in Vietnam must hold a certificate of eligibility for environmental monitoring service activities — commonly known through the Vimcerts system — issued by the competent authority under the Law on Environmental Protection 72/2020 and Decree 08/2022/ND-CP as amended by Decree 05/2025/ND-CP. The certificate has no general value: it lists the recognised scope by environmental component — water, emissions, air, soil, sediment, noise — and by specific parameter within each component.
The check must therefore be run at parameter level: list every parameter the plant must monitor under its environmental licence and committed monitoring programme, then match each parameter against the scope annex of the bidding provider’s certificate. A provider broadly certified for wastewater but missing the boiler emission parameters the plant needs is still an ineligible provider for that work package, whatever its general market reputation.
Criteria two and three: sampling, analysis and quality control capability
Proper monitoring is not only laboratory analysis: a sample taken at the wrong point, at the wrong operating moment or wrongly preserved in transit yields a worthless result however perfect the analysis. The enterprise should check the provider’s field capability — sampling team, calibrated sampling and field measurement equipment, and the ability to sample under the operating conditions the programme requires, such as stack sampling at the prescribed load. Results must be issued with a sample chain-of-custody file traceable from sampling point to laboratory.
On quality control, the marks of a serious provider include participation in proficiency testing or inter-laboratory comparison, blank and duplicate samples in sampling rounds, and a reissue policy for abnormal results. The enterprise should also check independence: a provider that both advises on building the treatment system and monitors that same system’s results carries a conflict of interest that reduces the evidential weight of the entire data set when the environmental authority reviews it.
On price, and how to structure the monitoring contract
Monitoring prices vary with the number of sampling points, parameters, programme frequency and travel distance, so a reference price detached from a plant’s concrete configuration means little; the correct price comparison asks providers to quote on one identical configuration table — points, parameters, frequency, rounds per year — and compares total annual cost rather than per-round price. A bid abnormally cheap on the same configuration is usually cutting one of three things: analysed parameters, quality control samples, or certification scope for the difficult parameters.
The contract should state: the parameter scope tied to the certificate annex, the sampling schedule tied to the monitoring calendar inside the plant’s environmental licence, result delivery deadlines serving the environmental reporting period, free resampling where a sample fails through the provider’s fault, and the enterprise’s right to receive all raw data. This structure turns the monitoring contract from a spot purchase into part of the plant’s environmental compliance system.
Frequently asked questions
How is a monitoring provider chosen so it is properly eligible?
Three check layers: the provider’s certificate of eligibility for environmental monitoring services is in force and its scope annex covers exactly each parameter and component the plant must monitor; field sampling capability and sample chain of custody; and analytical quality control including proficiency testing, blanks and duplicates. Missing the first layer cannot be cured by the other two for the result’s legal value.
What licence of the monitoring provider must be checked?
The certificate of eligibility for environmental monitoring service activities under the Law on Environmental Protection 72/2020 and Decree 08/2022/ND-CP as amended by Decree 05/2025/ND-CP — the Vimcerts system. The point to check is not only validity but the scope annex: recognised components and parameters must match the monitoring list in the plant’s environmental licence.
Roughly how much does monitoring cost?
There is no reliable single going rate, because price depends on each plant’s sampling points, parameters, frequency and rounds per year. The right approach fixes one common configuration table — points, parameters, frequency — asks eligible providers to quote on that same table, and compares total annual cost. An abnormally low quote on the same configuration usually means parameters or quality control steps have been cut.
Can the firm that designed the plant’s wastewater system also monitor it?
Not absolutely prohibited legally, but it is a clear conflict of interest: a provider grading the performance of a system it designed itself reduces the evidential weight of the monitoring results when the environmental authority or a complainant reviews them. Good practice separates the monitoring provider from the plant’s treatment system designer, builder and operator.
What should the enterprise do with an abnormal monitoring result before reporting?
Re-check the data chain first: operating conditions at sampling, the sample custody file and that round’s quality control results; where there is a technical basis, require resampling under the contract clause. What must not be done is selectively dropping the abnormal result from the reported data set — monitoring data must be reported truthfully with an operating explanation, because concealing data is a far graver violation than one explained exceedance period.
Contact FLAT Law Firm
FLAT Law Firm helps FDI plants match the parameter list in their environmental licence against bidding monitoring providers’ certified scopes, and drafts monitoring contracts tying the sampling schedule to the plant’s environmental reporting periods.
This article has been quality-reviewed by the FLAW AI Legal Council
