Banked ERC certificate · Yolo-Solano AQMD

Certificate EC-0339

Held by City of West Sacramento
ROG / VOC 221 lb/yr, CO 485 lb/yr, NOx 184 lb/yr, SOx 408 lb/yr, PM10 43 lb/yr

Home / District guides / Yolo-Solano AQMD / City of West Sacramento / EC-0339

Certificate record

CertificateEC-0339
Holder of recordCity of West Sacramento
Air districtYolo-Solano AQMD
StatusBanked — not listed

Credits on this certificate

PollutantAs the district records it≈ tons / year
ROG / VOC221 lb/yr
Q1–Q4: 49 / 31 / 59 / 82
0.11
CO485 lb/yr
Q1–Q4: 99 / 46 / 165 / 175
0.24
NOx184 lb/yr
Q1–Q4: 57 / 46 / 18 / 63
0.09
SOx408 lb/yr
Q1–Q4: 283 / 104 / 15 / 6
0.2
PM1043 lb/yr
Q1–Q4: 10 / 11 / 4 / 18
0.02

The tons-per-year column is a straight conversion for comparison only (lb/day × 365 ÷ 2,000; lb/qtr × 4 ÷ 2,000; lb/yr ÷ 2,000). The district's own figure is the one in the middle column.

History

DateRecorded
2026-10-03On the register: District ERC Registry, May 19, 2025

Changes between register editions — transfers, partial use, retirement — are added here as each new edition is ingested. All register changes.

What these pollutants have sold for in Yolo-Solano

PollutantYearMedian $/tRangeTrades*
ROG / VOC2024
district records
$32,500$32,500–$55,00014
ROG / VOC2023
district records
$25,000$23,750–$40,00017
ROG / VOC2023
CARB
$25,000$23,750–$40,00021
ROG / VOC2021
district records
$25,000$25,0001
ROG / VOC2020
district records
$25,641$25,6411
ROG / VOC2019
district records
$25,000$25,0001
CO2023
district records
$3,400$3,4001
CO2023
CARB
$3,400$3,40021
CO2021
district records
$3,391$3,3911
NOx2023
district records
$37,800$37,8001
NOx2023
CARB
$37,800$37,80021
NOx2022
district records
$75,000$75,0001
NOx2022
CARB
$75,000$75,0002
NOx2021
district records
$40,000$40,0001
NOx2020
district records
$37,800$37,8002
SOx2023
district records
$17,000$17,0001
SOx2023
CARB
$17,000$17,00021
SOx2021
district records
$17,000$17,0001
PM102024
district records
$17,500$17,5001
PM102023
district records
$17,500$17,5001
PM102023
CARB
$17,500$17,50021
PM102022
district records
$16,750$16,7502
PM102022
CARB
$16,750$16,7502
PM102021
district records
$21,140$17,000–$25,2802
PM102020
district records
$17,500$17,5001

*For the CARB reports, every recorded transfer in the district that year, all pollutants; for the district's own transaction records, sales of that pollutant, at the price per ton the district records. Recent years shown; every recorded year. Sources: Yolo-Solano AQMD — ERC Transactions · CARB 2023 §40709.5 statewide report · CARB 2022 §40709.5 statewide report.

Reference value at recorded prices

Arithmetic only — this certificate's volume multiplied by the Yolo-Solano median recorded for each pollutant in 2020–2024, shown as a range because the medians moved between years. Not an appraisal, an offer or a prediction.

PollutantTons / year× recorded medianReference
ROG / VOC0.11$25,000–$32,500/t$2,763–$3,591
CO0.24$3,391–$3,400/t$822–$825
NOx0.09$37,800–$75,000/t$3,478–$6,900
SOx0.2$17,000/t$3,468
PM100.02$16,750–$21,140/t$360–$455
All priced pollutants$10,891–$15,238

Is this your certificate?

It is already public record in the Yolo-Solano register. Listing it on the Exchange is free and commits you to nothing; we verify it against the register before anything goes live, and inquiries route to you or your broker.

List EC-0339 for saleAsk the Exchange about it

How a transfer works in Yolo-Solano

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 Yolo-Solano AQMD, which verifies the banked reductions, records the transfer and re-issues the certificate, or its remaining balance, in the buyer's name. Credits are generally usable only inside Yolo-Solano AQMD, or its air basin with district board approval (Health & Safety Code §40709.6). District office: (530) 757-3673. The district's transfer steps, form and fee.

Source

District ERC Registry, May 19, 2025 — Yolo-Solano AQMD ERC register. Retrieved 2026-10-03. 137 certificates (344 certificate-pollutant lines) across 49 holders. The district records credits in pounds per quarter; the four quarters are summed here to pounds per year and the quarterly split is kept on each certificate. Holder names the register prints truncated are kept as printed. EC-0350's VOC is shown as the register shows it, although a 2025 sale of it is recorded in the Exchange's transaction file. Holder names and certificate numbers are public district records; holder contact details are never published here. See something wrong? Tell us and we check it against the district's file.