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Assessment of emerging polar organic pollutants linked to contaminant pathways within an urban estuary using non-targeted analysis. SFEI Contribution No. 1107. Environmental Sciences: Processes and Impacts.
2021. A comprehensive, non-targeted analysis of polar organic pollutants using high resolution/accurate mass (HR/AM) mass spectrometry approaches has been applied to water samples from San Francisco (SF) Bay, a major urban estuary on the western coast of the United States, to assess occurrence of emerging contaminants and inform future monitoring and management activities. Polar Organic Chemical Integrative Samplers (POCIS) were deployed selectively to evaluate the influence of three contaminant pathways: urban stormwater runoff (San Leandro Bay), wastewater effluent (Coyote Creek, Lower South Bay), and agricultural runoff (Napa River). Grab samples were collected before and after deployment of the passive samplers to provide a quantitative snapshot of contaminants for comparison. Composite samples of wastewater effluent (24 hours) were also collected from several wastewater dischargers. Samples were analyzed using liquid-chromatography coupled to high resolution mass spectrometry. Resulting data were analyzed using a customized workflow designed for high-fidelity detection, prioritization, identification, and semi-quantitation of detected molecular features. Approximately 6350 compounds were detected in the combined data set, with 424 of those compounds tentatively identified through high quality spectral library match scores. Compounds identified included ethoxylated surfactants, pesticide and pharmaceutical transformation products, polymer additives, and rubber vulcanization agents. Compounds identified in samples were reflective of the apparent sources and pathways of organic pollutant inputs, with stormwater-influenced samples dominated by additive chemicals likely derived from plastics and vehicle tires, as well as ethoxylated surfactants.
Carbamates, Diazinon, Imidacloprid and Piperonyl Butoxide in Sediments by Liquid Chromatography/Mass Spectrometry-Mass Spectrometry. Analytical Chemistry . SFEI Contribution No. 443.
2006. Surveillance monitoring for new organic contaminants in the San Francisco Estuary. pp 5-6 . SFEI Contribution No. 368.
2003. 2006.
Workshop Report: The Effects of Polycyclic Aromatic Hydrocarbons (PAH) in San Francisco Bay Sediments. SFEI Contribution No. 518. San Francisco Estuary Institute.
2006. (11.38 MB)RMP detective work: Identifying new organic contaminants in the Estuary. p 7 . SFEI Contribution No. 273.
2002. Emerging Contaminants: Endocrine Disrupting Chemicals (EDCs). RMP Regional Monitoring News, San Francisco Estuary Regional Monitoring Program for Trace Substances 10, p.1-11 . SFEI Contribution No. 502.
2005. (736.14 KB)Identification and evaluation of previously unknown organic contaminants in the San Francisco Estuary (1999-2001). SFEI Contribution No. 75. San Francisco Estuary Institute: Oakland, CA.
2003. (1.33 MB)Closing in on unidentified contaminants. pp p. 18-19 . SFEI Contribution No. 274.
2000. Pyrethroid Insecticides: An Analysis of Use Patterns, Distributions, Potential Toxicity and Fate in the Sacramento-San Joaquin Delta and Central Valley. SFEI Contribution No. 415. San Francisco Estuary Institute.
2005. (2.99 MB)Identification and emission factors of molecular tracers in organic aerosols from biomass burning: Part 3. Grasses. Applied Geochemistry 21 (6) . SFEI Contribution No. 491.
2006. Polychlorinated Biphenyls in Northern San Francisco Estuary Refinery Effluents. SFEI Contribution No. 510.
2002. Geology, geochemistry and biomaker evaluation of lafie-Obi Coal Benue through, Nigeria. Fuel Journal 81, 219-233 . SFEI Contribution No. 473.
2002. Organic Tracers from Wild Fire Residues in Soils and Rain/River Wash-Out. Water, Air and Soil Pollution 137, p.203-233 . SFEI Contribution No. 479.
2002. Polar aromatic biomarkers in the miocene Maritza-East Lignite, Bulgaria. Organic Geo-chemistry . SFEI Contribution No. 476.
2002. Sources of organic aerosol particulate matter in Malaysia during haze episode. Chemosphere . SFEI Contribution No. 468.
2003. Pelagic Organism Decline. SFEI Contribution No. 511.
2005. Evaluation of Episodic Suspended Sediment Transport in San Francisco Bay, California through Remote Sensing. SFEI Contribution No. 670. SFEI: Richmond, CA. p 18.
2012. (1.56 MB)Gradient-based edge detection and feature classification of satellite images of the Southern California Bight. Remote Sensing of the Environment. Remote Sensing of the Environment. Vol. 112.
2008. A Mass Budget of Polybrominated Diphenyl Ethers in San Francisco Bay, CA. Environment International.
2008. (708.37 KB)Organochlorine Pesticide Fate in San Francisco Bay. SFEI Contribution No. 433. San Francisco Estuary Institute: Oakland, CA. p 48.
2006. (1.93 MB)Polychlorinated biphenyls (PCBs) in San Francisco Bay. Environmental Research 105, 67-86 . SFEI Contribution No. 526.
2007. (1 MB)Adapting an ambient monitoring program to the challenge of managing emerging pollutants in the San Francisco estuary. Environmental Research 105, 132-144 . SFEI Contribution No. 493.
2007. (741.96 KB)Concentrations and Loads of Mercury, PCBs and PBDEs in the Lower Guadalupe River, San Jose, California: Water Years 2003, 2004, and 2005. SFEI Contribution No. 424. San Francisco Estuary Institute: Oakland.
2006. (11.98 MB)A Forecast Model of Long-Term PCB Fate in San Francisco Bay. SFEI: Oakland, CA. p 52.
2008. (3.56 MB)The slow recovery of the San Francisco Estuary from the legacy of organochlorine pesticides. Environmental Pollution . SFEI Contribution No. 488.
2007. (969.52 KB)DRAFT REPORT: A Model of Long-Term PCB Fate and Transport in San Francisco Bay, CA. SFEI Contribution No. 388. San Francisco Estuary Institute: Oakland, CA.
2005. Dredging Impacts on Food-Web Bioaccumulation of DDTs in San Francisco Bay, CA. SFEI Contribution No. 418. San Francisco Estuary Institute: Oakland, CA.
2006. (912.15 KB)Sources, Pathways and Loadings Workgroup: Five-Year Workplan (2008-12). SFEI Contribution No. 567. San Francisco Estuary Institute: Oakland.
2008. Concentrations and loads of mercury, PCBs, and OC pesticides in the lower Guadalupe River, San Jose,California: Water Years 2003 and 2004. SFEI Contribution No. 409. San Francisco Estuary Institute. p 80.
2005. (1.61 MB)A Model of Long-Term PCB Fate in San Francisco Bay. San Francisco Estuary Institute: Oakland.
2008. (3.82 MB)Status and Assessment of Selected Monitoring Programs in the San Francisco Esturary. SFEI Contribution No. 172. San Francisco Estuary Institute: Richmond, Ca. p 128.
1992. Evaluation of Turbidity and Turbidity Related Effects on the Biota of the San Francisco Bay-Delta Estuary. SFEI Contribution No. 169. San Francisco Estuary Institute: Richmond, CA. p 84.
1991. (10.03 MB)