Petro

What Petro Does

The AISCT Petro System provides AI-integrated, solvent-extraction-based PHC screening for petroleum hydrocarbon fractions in soil.

By employing a solvent-extraction approach that mirrors laboratory methodology, Petro directly captures the extractable PHC fraction (TPH, F2 and F3 /LEPH and HEPH), providing significantly higher correlation to laboratory data than vapour-phase proxy methods.

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The Technical Problem Aurora Solves

Conventional OVA/PID and headspace bag methods fail for three interconnected reasons:

Vapour-phase bias: PID and bag methods measure what volatilizes, not what is extractable — systematically underestimating heavy fractions (F3/HEPH) and over-representing light volatiles

Temperature and moisture sensitivity: vapour-phase readings vary with soil temperature and moisture content, introducing systematic bias across a programme

Biogenic interference in peat: organic peat soils release volatile biogenic compounds that are indistinguishable from petroleum hydrocarbons using vapour methods —producing false positives across entire site areas

Lack of fraction specificity: conventional vapour methods cannot reliably separate F2 from F3 fractions, complicating regulatory comparison to fraction-specific guidelines

Petro's solvent-extraction approach:

Captures the extractable fraction: Petro's chemistry targets F1/F2/F3 extractable hydrocarbons — the same fractions laboratories measure

AI correlation: Petro's models are trained on laboratory data, producing field-to-lab correlation that enables real-time regulatory comparison

Fraction-specific outputs: Petro produces fraction (i.e.. F2/F3) estimates, supporting direct comparison to CCME and other guidelines

Regulatory Alignment

Aurora was developed in direct alignment with published regulatory guidance such as:

CCME Vol. 1, Section 5.5.1

Solvent-Extraction PHC Testing: Petro advances the solvent-extraction method recognized in CCME guidance as a field analytical approach for extractable PHC

CCME PHC Criteria

Petro data aligns with CCME petroleum hydrocarbon fraction criteria (F2, F3) for soil

CCME Vol. 1, Section 3

QA/QC: Petro incorporates automated reference checks, calibration records, blanks, duplicates, and triplicates

CSA Z769 and provincial PHC guidelines

Petro supports field screening programmes aligned with CSA and provincial regulatory standards for petroleum hydrocarbon assessment

Key Applications

Larger remediation programmes (>3–4 days) driven by extractable hydrocarbon criteria

Delineation and volume estimation

Peat and high-organic soil environments where vapour methods produce unreliable results

Remediation endpoint confirmation against extractable PHC guidelines

Sites with heavy fraction contamination (diesel, lubricating oil, bitumen-adjacent) where volatility-based screening systematically underestimates impact

View the PETRO Case Study

Technical Specifications

Target Contaminants

TPH, F2 and F3 / LEPH and HEPH extractable petroleum hydrocarbons

Measurement Principle

Solvent-extraction methodology mirroring laboratory extractable PHC analysis

Key Differentiator

Fraction-specific extraction — captures what labs measure, not a vapour proxy

Peat/Organic Performance

Demonstrated effectiveness where vapour methods produce biogenic false positives

QA/QC Features

Automated reference checks, calibration records, blanks, duplicates, triplicates

Regulatory References

CCME Vol. 1 Section 5.5.1, CCME PHC Fraction Criteria, CSA Z769

Recommended Use

Larger remediation programmes, extractable-HC-driven sites, peat/organic environments

Download the Petro Technical Bulletin

The AISCT Ecosystem Concept:

AISCT components can be deployed individually — Aurora on a vapour-driven hydrocarbon site, Sal on a brine release, Petro on a peat-heavy extractable HC programme. But they are designed to work together. When multiple contaminant classes are present on the same site, a multi-unit deployment produces an integrated dataset that no single instrument can provide.

The DSS platform is contaminant-agnostic: it ingests data from whichever units are deployed, maintains a unified site data record, and provides cross-contaminant intelligence that is invisible when instruments operate independently.

Learn More about the AISCT Ecosystem and configuration for your site!

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AISCT® Petro: Field Solvent-Extraction Petroleum Hydrocarbon (PHC) System.