| Study ID | WHOB005 |
| Study Name | Environmental Effects-based Concentrations for Total Petroleum Hydrocarbons in Marine and Fresh Waters |
| EIM Data Entry Review Status | Reviewed |
| Study Type | General environmental study |
| Study Purpose | This study will use chronic exposure toxicity tests on a fish and invertebrate from fresh and marine water exposed to concentrations of total petroleum hydrocarbons (referred to as NWTPH). The NWTPH diesel (Dx) and gasoline (Gx) fractions will be tested on all organisms. The tests will consist of six dilutions of each NWTPH fraction and will be based on literature effects-based concentrations and range-finding tests. Chronic exposure toxicity tests on aquatic organisms provide knowledge of the lowest-observable-effects-concentration (LOEC) and no-observable-effects-concentration (NOEC). The main goal of this project is to provide a statistically defendable NOEC that could be used in the future as guidance for the Washington State Surface Water Cleanup Standards. |
| Field Collection Date Range | 12/13/2018 - 3/18/2019 |
| Data First/Last Loaded Date |  |
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| Ecology Program or Other Responsible Entity | Ecy Environmental Assessment Program |
| Ecology Contact | Will Hobbs |
| Ecology Monitoring Program | |
| Submitting Organization | WA Department of Ecology (internal) |
| Study QA Planning Level | LEVEL 4: Approved QAPP or SAP. |
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| Study QA Assessment Level | Level 5: Data Verified and Assessed for Usability in a Peer-Reviewed Study Report |
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