Banked ERC record · Bay Area AQMD

Air Liquide, L.P.

Certificate 1061 · Site: Martinez
SOx 5.92 t/yr

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Certificate record

Holder of recordAir Liquide, L.P.
Certificate1061
Source of reductionsSite: Martinez
Air districtBay Area AQMD
Pollutants banked
PollutantVolume as recorded
SOx5.92 t/yr
Register sourceERC Bank Status database (baaqmd.gov), retrieved 2026-10-03 · district registry page
StatusBanked — not listed

The certificate as the district lists it

CertificateIssuedPollutantAmount (t/yr)
10612007-10-18SO25.92

Source: ERC Bank Status database (baaqmd.gov), retrieved 2026-10-03 — Bay Area AQMD, retrieved 2026-10-03.

Is this your certificate?

It is already public record in the Bay Area register. Listing it on the Exchange is free, commits you to nothing, and puts it in front of the permit applicants and consultants searching this page. We verify the certificate against the register before anything goes live, and inquiries route straight to you or your broker.

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What SOx credits have sold for in Bay Area

Prices per ton recorded by the district under Health & Safety Code §40709.5:

PollutantYearMedian $/tRangeTrades*
SOx2022
CARB
$10,026$51–$20,00021

*For the CARB reports, every recorded transfer in the district that year, all pollutants. Recent years shown; every recorded year. Sources: CARB 2022 §40709.5 statewide report.

Reference value at recorded prices

Arithmetic only — the recorded volume multiplied by the Bay Area median price recorded for each pollutant in 2022. Not an appraisal, an offer, or a prediction; actual bids depend on the buyer's permit deadline, the lot size, how many trades the median rests on, and what else is available in the district.

PollutantVolume× recorded medianReference
SOx5.92 t$10,026/t$59,351

How a transfer works in Bay Area

The buyer and holder agree a price privately. The transfer package — the holder's authorization, the purchase agreement, and the district's transfer forms — goes to Bay Area AQMD, which verifies the banked reductions, records the transfer, and re-issues the certificate (or the remaining balance) in the buyer's name. Credits are generally usable only inside Bay Area AQMD, or its air basin with district board approval under Health & Safety Code §40709.6. District office: (415) 749-5000. District ERC program page.

Need SOx credits in Bay Area for a permit? Post what you need and the Exchange checks this and every other Bay Area record for you, no fee to inquire.