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Port staff preview regional air emissions inventory; identifies water-side sources and benefits of shore power
Summary
Port staff and consultants previewed a draft 2005 baseline air emissions inventory for five Bay Area ports, finding the Port of San Francisco's emissions are small relative to regional totals and are dominated by water-side sources; shore power at Pier 27 and fuel/sulfur rules are expected to sharply reduce particulate and SOx emissions.
SAN FRANCISCO ' Port staff presented a draft regional air emissions inventory June 8 that establishes a 2005 baseline for five Bay Area ports and identifies ocean-going vessels and harbor craft as the primary emissions sources at the Port of San Francisco.
Jay Ock, manager of regulatory and environmental affairs, and Doug Daugherty (consultant) said the inventory used the Port of Oakland template to ensure consistent regional comparisons. Daugherty said the Port of San Francisco ranks below Oakland in overall emissions because Oakland handles substantially more cargo calls; the largest emissions at the San Francisco port are tied to water-side activity (ocean-going vessels and harbor craft).
The inventory examined pollutants including particulate matter (PM), nitrogen oxides (NOx), sulfur oxides (SOx) and reactive organic gases (ROG). Daugherty said regulatory changes and grant programs (including Carl Moyer and other district/EPA grants) and the installation of shore power at Pier 27 should drive large reductions in PM and SOx: modeling scenarios combining cleaner fuel and shore power show reductions approaching the order of 70-80% for some pollutants over time.
Port staff said the draft reports will be finalized in the next 30-45 days after sign-off by participating ports, the Bay Area Air Quality Management District and the California Air Resources Board. Staff plans public outreach to advisory committees, tenant education about regulations and grant opportunities, and to use the inventory as a planning tool to guide port air efforts.
The presentation drew questions from Blue & Gold Fleet and others about retrofit costs and timelines; port staff said grant funding and phased rules will help operators comply.
