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| Title | American Crossarm and Conduit January 6-7, September 9-10, and December 9-10, 1997 | |||
| Month-Year Published | April 1999 | |||
| Online Availability |
2997 kilobytes, requires version 4.0 or later of Adobe Acrobat Reader Software get Acrobat Reader
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| Short Description |
This document summarizes the first year of groundwater and surface water monitoring at the American Crossarm and Conduit site. Ecology will be conducting semi-annual sampling at the site for five years, until 2001. All samples will be analyzed for polycyclic aromatic hydrocarbons (PAHs) and chlorinated phenolics. The objective of this sampling is to provide the Toxics Cleanup Program with data to evaluate the long-term effectiveness of the cleanup action taken at ACC. (Also see abstract below) | |||
| Publication Number | 99-321 | |||
| Author(s) | Marti, P. | |||
| Print Availability |
Not maintained in stock. Copy must be made from archive version. Request will be referred to the source program.
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| Number of pages | 11 pp. + app. (63 total) | |||
| Keywords | chlorinated, cleanup, groundwater, hydrocarbons, laboratory, Model Toxic Control Act, PAHs, pH, polycyclic aromatic hydrocarbons, toxic, toxics, water, wells | |||
| Subject Waterbodies |
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| Related Publications | Title | Relationship | ||
| American Crossarm and Conduit Monitoring Results, September 1999 and June 2000 | similar topic | |||
| Abstract | Long Description |
This document summarizes the first year of groundwater and surface water monitoring at the American Crossarm and Conduit (ACC) site. Ecology will be conducting semi-annual sampling at the site for five years, until 2001. The objective of this sampling is to provide the Toxics Cleanup Program with data to evaluate the long-term effectiveness of the cleanup action taken at ACC. Samples were collected on January 6-7 and September 9-10, 1997 from four downgradient monitoring wells (MW-22, MW-23, MW-24, and MW-25) and two on-site surface water stations (ACCSW1 and ACCSW2). All samples were analyzed for polycyclic aromatic hydrocarbons (PAHs) and chlorinated phenolics. Due to a laboratory error, data quality objectives for sample completeness were not met in September, consequently samples for PAH analyses were re-collected on December 9-10, 1997. In January, low concentrations of several PAHs were detected in the four wells. Concentrations ranged from an estimated value of 0.00094 ug/L to 0.12 ug/L, with most detections near or below the analytical detection limit. In December, only naphthalene (0.01-0.014 ug/L) and acenaphthylene (0.00056J ug/L) were detected in two of the wells. Chlorinated phenolics were not detected in any of the wells during either sampling. Model Toxic Control Act (MTCA) Method B cleanup standards for groundwater for this project are 0.012 ug/L for PAHs and 0.729 ug/L for pentachlorophenol (PCP). The following table summarizes PAHs that exceeded the established cleanup standard in groundwater. |
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