Bahadurgarh Lab · NABL TC-7710 · EIA Notification 2006 (amended 2020)

EIA Baseline Environmental Monitoring

A baseline dataset that the appraisal committee rejects can add several months to an environment-clearance timeline. Auriga Research provides NABL-accredited EIA baseline environmental monitoring — ambient air, meteorology, noise, surface water, groundwater, soil, and existing effluent — from a single accredited lab, formatted for direct inclusion in the EIA report under the MoEFCC EIA Notification 2006 (amended 2020).

The campaign is scoped to your project category (A or B) and the Terms of Reference (ToR) issued by the SEAC / EAC. Baseline data is collected over one season minimum (typically 3 months, excluding monsoon), with all-four-season coverage where the ToR requires it. Meteorology runs continuously throughout, so the met and air-quality datasets are time-aligned for AERMOD / ISCST3 dispersion modelling — the consistency reviewers expect.

The full package — field teams, AWS, and laboratory analysis — runs under one NABL TC-7710 accreditation at our Bahadurgarh Environmental & Industrial Monitoring Laboratory. Backed by the Arbro Group's analytical heritage — Arbro Lab since 1990, Auriga Research since 2007 — with NABL ISO/IEC 17025 accreditation, reports are accepted by MoEFCC, SEIAA / SEAC, and EIA consultants.

One-season baseline (~3 months) · Monthly summaries during campaign · Final report 15–20 days after completion

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EIA Baseline Scope

Each work-stream is mapped to its regulatory reference so EIA consultants and project proponents can match scope to the SEAC / EAC Terms of Reference at a glance.

NAAQS 2009

Ambient Air Quality

12 criteria pollutants — PM2.5, PM10, SO₂, NO₂, CO, O₃, lead, ammonia, benzene, BaP, arsenic, nickel — per CPCB siting criteria.

AWS

Meteorology

Automatic weather station — wind speed, direction, temperature, humidity, pressure, solar radiation — at 10 m mast per IMD / CPCB siting.

Noise Rules 2000

Ambient Noise

Day (6 am–10 pm) and night (10 pm–6 am) Leq per the area-category limits in the Noise Pollution Rules 2000.

IS 10500

Water Quality

Surface water and groundwater quality per IS 10500 and IS 3025 — physical, chemical, and microbiological parameters.

Soil

Soil Quality

Heavy metals, organic carbon, pH, NPK, particle-size distribution, and contaminant screening for the baseline soil chapter.

Effluent

Existing Discharge

Where the project site has existing effluent or discharge, the effluent quality baseline against CPCB / SPCB norms.

EIA 2006 / 2020

Regulatory Framework

Baseline data collection per the MoEFCC EIA Notification 2006 (amended 2020) for Category A and B projects.

ToR

ToR-Driven Scope

Monitoring network, parameters, and duration matched to the SEAC / EAC Terms of Reference for your specific project.

TC-7710

Single-Lab Package

Air, met, noise, water, soil, and effluent baseline run from the Bahadurgarh Environmental Lab under one NABL TC-7710 accreditation.

AERMOD

Model-Ready Outputs

Time-aligned met + air-quality datasets formatted as input for AERMOD / ISCST3 dispersion modelling.

How It Works

Get a Quote & ToR Review

Share your project location, category (A / B), sector, and the Terms of Reference issued by the SEAC / EAC. Your dedicated SPOC reviews the ToR clause-by-clause to scope the monitoring network — air-quality location count, AWS placement, noise grid, water and soil sampling points — before mobilisation.

Field Mobilisation & AWS Set-Up

Field teams mobilise from the Bahadurgarh lab and install the automatic weather station at 10 m mast and the ambient air, noise, water, and soil sampling network. Met data logs continuously; air-quality and noise sampling run on the CPCB-prescribed frequency. Monthly data summaries are issued during the campaign.

Laboratory Analysis & QA Review

Collected samples are analysed at the Bahadurgarh lab (NABL TC-7710) — air filters by gravimetry / ICP-MS / HPLC; water and soil by the IS 10500 / IS 3025 method panel; effluent against CPCB norms. Every result is compared against the applicable standard and passes a formal internal QA review and sign-off before the integrated report is compiled.

Receive Integrated NABL Report

The final integrated baseline report is delivered digitally within 15–20 business days of campaign completion. It carries Auriga's NABL accreditation under ISO/IEC 17025:2017, presents each work-stream against its regulatory reference, includes wind / pollution roses, Pasquill-Gifford stability classes, AERMOD-ready datasets, and is formatted for direct insertion into the EIA chapters. Track status in real time through YLIMS.

Turnaround Time

Service	Standard TAT	Express
ToR review & monitoring plan	3–5 business days	Scheduling priority
AWS installation & network set-up	3–5 days	Scheduling priority
One-season baseline campaign	~3 months (per ToR)	— fixed by EIA scope
Multi-season baseline (where ToR requires)	Per Terms of Reference	On request
Monthly data summaries during the campaign	Monthly	Included
Final integrated baseline report	15–20 business days after completion	On request
Post-clearance compliance monitoring	Per EC condition (half-yearly / quarterly)	Included as continuation

Who Needs EIA Baseline Monitoring

Project proponents (Category A or B) preparing the EIA for environment clearance under the EIA Notification 2006 (amended 2020).
EIA consultants assembling baseline datasets for MoEFCC / SEIAA submission.
Industries seeking expansion, capacity amendment, or change-of-product approvals that re-trigger EIA.
Power plants, refineries, petrochemicals, and cement units needing site-specific baseline + dispersion modelling.
Mining and quarrying projects with state-specific baseline ToR requirements.
Highway, port, airport, metro, and large infrastructure / township projects.
Real-estate and SEZ developers above the EIA notification threshold.
Industries with existing clearance running post-clearance compliance monitoring as a programme continuation.
Consultants re-running monitoring after an SEAC / EAC query on borrowed or insufficient baseline data.
Sector-specific projects needing add-on baseline modules (marine ecology, traffic, hydrogeology) bolted onto the core campaign.

Why Auriga for EIA Baseline Monitoring

Bahadurgarh Environmental Lab — NABL TC-7710

Air, meteorology, noise, water, soil, and effluent baseline run from a single accredited facility — no cross-lab handover, one consolidated report.

Time-aligned met + air-quality

Meteorology and ambient air-quality run together so the dispersion-model inputs are internally consistent — eliminating the common reviewer query when met and emission data come from different sources or periods.

Model-ready outputs

Wind / pollution roses, Pasquill-Gifford stability classes, and the hourly met dataset delivered pre-formatted as input for AERMOD / ISCST3 — not just raw logger files.

Scoped to your ToR

Monitoring network, parameter set, and duration matched clause-by-clause to the SEAC / EAC Terms of Reference, so the dataset satisfies the appraisal committee the first time.

Field + lab under one accreditation

Both field sampling and analytical work performed under the same NABL TC-7710 accreditation — no sub-contracting of either arm, which is a common SPCB / EIA reviewer query on borrowed data.

Arbro Group analytical heritage

Established analytical heritage through the Arbro Group (Arbro Lab since 1990, Auriga Research since 2007), with NABL ISO/IEC 17025 accreditation — the audit trail EIA consultants and project proponents look for in a baseline partner.

Constituent Monitoring Services

Frequently Asked Questions

What is the EIA baseline, and what does the EIA Notification 2006 require?

The EIA baseline is the pre-project environmental dataset required for the Environmental Impact Assessment (EIA) report submitted under the MoEFCC EIA Notification 2006 (amended 2020). It establishes the environmental quality of the project site and its influence zone before construction begins — ambient air, meteorology, noise, surface water, groundwater, soil, ecology, and (where applicable) existing effluent and traffic. Both Category A (centrally appraised) and Category B (state-level SEIAA appraised) projects need a site-specific baseline; the Terms of Reference (ToR) issued by the appraisal committee defines the exact network, parameters, and duration.

What does an EIA baseline monitoring package include?

A typical package covers six work-streams: (1) ambient air quality at 8 or more locations against NAAQS 2009 (with WHO AQG 2021 benchmarking on request); (2) site-specific meteorology on an automatic weather station at 10 m mast; (3) ambient noise across day and night periods against the Noise Pollution Rules 2000; (4) surface water and groundwater quality per IS 10500 / IS 3025; (5) soil characterisation including heavy metals and organic carbon; (6) existing effluent or stack emissions where the site already operates. The scope scales to your project category and ToR — sector-specific add-ons (mining hydrogeology, port marine ecology, traffic, etc.) bolt on to the same campaign.

How long does the baseline monitoring last?

Under the EIA Notification 2006 (amended 2020), the baseline is collected over a minimum of one season — typically 3 months excluding the monsoon — with all-four-season coverage where the ToR requires it. Larger or sensitive projects often attract a longer or multi-season ToR. Meteorology runs continuously (hourly logging) for the same period to keep met and air-quality data time-aligned for dispersion modelling. Monthly data summaries are issued during the campaign; the final integrated baseline report is delivered within 15–20 business days after the last sampling.

Which Auriga lab and team conduct the EIA baseline campaign?

The campaign is run end-to-end from our Bahadurgarh Environmental & Industrial Monitoring Laboratory (NABL TC-7710), whose scope explicitly covers the Chemical — Environment & Pollution discipline (~80 parameters across ambient air, water, soil, and effluent) plus site testing for noise and illumination. Field teams mobilise to your site for sampling, the AWS is installed and operated by the same team, and all analyses are performed at the Bahadurgarh lab. Reports are issued under its NABL accreditation — no sub-contracting of either the field or analytical arms.

How are reports formatted for SEIAA / EAC review?

Reports are structured for direct insertion into the EIA chapters: each work-stream comes with the measured-versus-limit comparison (NAAQS 2009, Noise Rules 2000 zone limits, IS 10500 drinking-water limits, etc.), wind-rose and pollution-rose diagrams, Pasquill-Gifford stability classification, AERMOD / ISCST3-ready met datasets, monitoring-location maps, and the NABL accreditation reference. Each report explicitly cites the EIA Notification 2006 (amended 2020) basis and the applicable Terms of Reference clause so SEIAA / EAC reviewers can verify compliance at a glance.

What is the consequence of inadequate or borrowed baseline data?

Borrowed data — for example, met data lifted from a distant IMD station instead of an on-site AWS — and incomplete monitoring networks are frequent reasons for the State / Expert Appraisal Committee (SEAC / EAC) returning the EIA report for re-work. A failed appraisal cycle typically adds several months to the environment-clearance timeline and may force a fresh season of monitoring. The cost of running a proper site-specific baseline up front is materially lower than a re-submission, and the audit trail under NABL TC-7710 forecloses the most common reviewer queries (sub-contracted analysis, mismatched met/air periods, missing siting documentation).

Can Auriga support post-clearance compliance monitoring as well?

Yes. After the environmental clearance is issued, MoEFCC / SEIAA typically attach monitoring conditions — half-yearly or quarterly ambient air, noise, water, and stack emission monitoring — that the proponent must report against. Auriga continues the same monitoring network from the baseline campaign as a post-clearance compliance programme, using the same Bahadurgarh lab and accreditation, so the data series is continuous and internally consistent for the lifetime of the clearance.

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