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Ecology Publications & Forms |
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Ecology Publications & Forms |
| Title | Chemicals of Emerging Concern in Pretreated Industrial Wastewater in Northwestern Washington State: Screening Study Results, 2021 |
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Chemicals of Emerging Concern in Pretreated Industrial Wastewater in Northwestern Washington State: Screening Study Results, 2021 (Number of pages: 54) (Publication Size: 4856KB)
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| Author(s) | Wong, S. | ||||
| Description | The Department of Ecology conducted a screening level study to assess the presence and magnitudes of various chemicals of concern (CECs) and other under-regulated chemicals in pretreated industrial wastewater being received by wastewater treatment plants in the Puget Sound region. We sampled nine facilities, representing seven different industry types, once during January–April 2021. Parameters of interest included polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), per- and polyfluoroalkyl substances (PFAS), organophosphate flame retardants (OPFRs), bisphenols, alkylphenols, and semivolatile organic compounds (SVOCs). Wide ranges in CEC concentrations were found in samples from the nine facilities. Sample concentrations ranged as follows: • Total PCB: 64–168,000 pg/L • Total PBDE: 29–3,490,000 pg/L • Total PFAS: 4–9,840 ng/L • Total OPFR: 35–29,800,000 ng/L • Total bisphenol: 225–36,500 ng/L • Total alkylphenol: non-detect to 2,430,000 ng/L Overall, the study demonstrated that the various CECs have the potential to be present in industrial wastewater, sometimes at high concentrations. |
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The mission of the Department of Ecology is to protect, preserve, and enhance Washington’s environment. To help us meet that goal, please consider the environment before you print or request a copy.
ADA Accessibility The Department of Ecology is committed to providing people with disabilities access to information and services by meeting or exceeding the requirements of the Americans with Disabilities Act (ADA), Section 504 and 508 of the Rehabilitation Act, and Washington State Policy #188. Visit Ecology’s website for more information. |
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| Contact | Siana Wong at 360-407-6764 or swon461@ecy.wa.gov | ||||
| Keywords | CECs, pretreatment, chemicals of concern, toxics monitoring, industrial wastewater | ||||
| DATA | Environmental Information Management (EIM) #SWON0002 |
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| RELATED PUBLICATIONS | Title:
Quality Assurance Project Plan: Sampling of Pretreated Industrial Wastewater in Northwestern Washington State |
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