39256 bs_analyte Data Set Published / External 37215 NSandT Project Completed 1992 The National Status and Trends (NSandT) Benthic Surveillance Project Chemistry data file reports the trace concentrations of a suite of chemical contaminants in marine sediment and benthic fish tissue samples collected from all U.S. coastal regions from 1984 to 1992. The sediment and tissue samples were analyzed for major and trace elements and a suite of organic chemical constituents, including butyltins, polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), and pesticides. The Benthic Surveillance Project Tissue Chemistry file is constructed as a vertically formatted table. In response to concerns over environmental quality of the Nation's coastal and estuarine ecosystems, NOAA created the National Status and Trends (NSandT) Program in 1984. From 1984 through 1993, the Benthic Surveillance Project monitored chemical concentrations in the livers (and for metabolites of PAH's in the bile) of bottom-dwelling fish and in sediments at the sites of fish capture. The Benthic Surveillance Project also measured the biological effects of contaminant exposure, primarily as prevalence's of toxicopathic liver diseases. 986 Theme ISO 19115 Topic Category environment Spatial Global Change Master Directory (GCMD) Location Keywords OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > GULF OF AMERICA Theme DDTs Theme NCCOS Research Data Type > Field Observation Theme NCCOS Research Priority > Long-term Monitoring Theme NCCOS Research Priority > Stressors, Impacts, Mitigation, and Restoration (SIMR) Theme NCCOS Research Topic > Bioeffects/Toxicity Theme NCCOS Research Topic > Chemical Contaminants Theme NCCOS Research Topic > Monitoring Theme NSandT Theme PAHs Theme PCBs Theme POPs Theme Persistent Organic pollutants Theme TBTs Theme TIC Theme TOC Theme butyltins Theme chemical contaminants of benthic fish Theme chemical contaminants of marine sediments Theme coastal monitoring Theme grain size Theme inorganic analytes Theme metals Theme oceans Theme organic analytes Theme organochlorine pesticides Theme pollution Theme polychlorinated biphenyls Theme polycyclic aromatic hydrocarbons Theme total inorganic carbon Theme total organic carbon Spatial Apalachicola Bay, St. George Island Spatial Arroyo Colorado, Arroyo City Spatial Baltimore Harbor, Brewerton Channel Spatial Baltimore Harbor, Fort McHenry Channel Spatial Barataria Bay, Barataria Pass Spatial Beaufort Sea, Oliktok Point Spatial Beaufort Sea, Prudhoe Bay Spatial Bering Sea, Dutch Harbor Spatial Bering Sea, Kuskokwim River Spatial Bering Sea, Kvichak Bay Spatial Bering Sea, Port Moller Spatial Bering Sea, Yukon River Spatial Biscayne Bay, Chicken Key Spatial Biscayne Bay, North Bay Spatial Boca de Quadra, Bacrian Point Spatial Bodega Bay, North Spatial Boston Harbor, Deer Island Spatial Boston Harbor, Hull Bay Spatial Boston Harbor, Mystic River Spatial Boston Harbor, President Roads Spatial Boston Harbor, Quincy Bay Spatial Buzzards Bay, West Island Spatial Calcasieu River, Bayou d Inde Spatial Calcasieu River, Prien Lake Spatial Calcasieu River, West Cove Spatial Cape Elizabeth, Richmond Island Spatial Cape Fear River, Horseshoe Shaol Spatial Casco Bay, Cousins Island Spatial Casco Bay, Great Chebeague Island Spatial Charleston Harbor, Coastal Spatial Charleston Harbor, South Channel Spatial Charlotte Harbor, Cape Haze Spatial Chesapeake Bay, Chester River Spatial Chesapeake Bay, Elizabeth River Spatial Chesapeake Bay, Gibson Island Spatial Chesapeake Bay, James River Spatial Chesapeake Bay, Kent Island Spatial Chesapeake Bay, Patuxent River Spatial Chesapeake Bay, Smith Island Spatial Chesapeake Bay, York River Spatial Choctawhatchee Bay, Choctawhatchee Bay Spatial Choctawhatchee Bay, Destin Harbor Spatial Chukchi Sea, Red Dog Mine Spatial Columbia River, Desdemona Sands Spatial Columbia River, Youngs Bay Spatial Coos Bay, North Bend Spatial Corpus Christi Bay, Corpus Christi Channel Spatial Corpus Christi Bay, Long Reef Spatial Dana Point Harbor, Outside Spatial Dana Point, Inside Harbor Spatial Delaware Bay, Brandywine Shoal Spatial Delaware Bay, Cherry Island Range Spatial Delaware Bay, The Shears Spatial Estero Bay, Estero Bay Spatial Farallon Islands, Farallon Islands Spatial Frenchmans Bay, Long Porcupine Island Spatial Galveston Bay, Boggy Bayou Spatial Galveston Bay, Cedar Bayou Spatial Galveston Bay, Clear Lake Spatial Galveston Bay, Eagle Point Spatial Galveston Bay, East Bay Spatial Galveston Bay, Goat Islands Spatial Galveston Bay, Greens Bayou Spatial Galveston Bay, Morgans Point Spatial Galveston Bay, Texas City Spatial Galveston Bay, Trinity Bay Spatial Great Bay, Intracoastal Waterway Spatial Great Bay, Seven Island Spatial Great Bay, Wells Island Spatial Gulf of Alaska, Kamishak Bay Spatial Gulf of Mexico Spatial Heron Bay, Heron Bay Spatial Hudson River, Englewood Cliffs Spatial Humboldt Bay, Indian Island Spatial Johns Bay, Pemaquid Neck Spatial Lake Pontchartrain, North Shore Spatial Lake Pontchartrain, South Shore Spatial Lavaca Bay, Lavaca Bay Spatial Lavaca Bay, Point Comfort Spatial Long Island Sound, Lloyd Point Spatial Long Island Sound, Long Sand Shoal Spatial Long Island Sound, New Haven Spatial Long Island Sound, Norwalk Spatial Long Island Sound, Oak Neck Point Spatial Long Island Sound, Rocky Point Spatial Lower Laguna Madre, Laguna Heights Spatial Lower Laguna Madre, Long Island Spatial Lutak Inlet, Chilkoot River Mouth Spatial Machias Bay, Chance Island Spatial Machias Bay, Hog Island Spatial Massachusetts Bay, Plymouth Entrance Spatial Merrimac River, Plum Island Spatial Mission Bay, Mission Bay Spatial Mission Bay, Outside Spatial Mississippi River Delta, Head of Passes Spatial Mississippi River Delta, Off Shore Spatial Mississippi River Delta, Southeast Pass Spatial Mobile Bay, Mobile River Spatial Mobile Bay, North Point Spatial Monterey Bay, Indian Head Beach Spatial Monterey Bay, Moss Landing Spatial NCCOS Research Location > Geographic Area > Coastal Ocean Spatial NCCOS Research Location > Region > Alaska Spatial NCCOS Research Location > Region > East Coast Spatial NCCOS Research Location > Region > Gulf of Mexico Spatial NCCOS Research Location > Region > West Coast Spatial NCCOS Research Location > U.S. States and Territories > Alabama Spatial NCCOS Research Location > U.S. States and Territories > Alaska Spatial NCCOS Research Location > U.S. States and Territories > California Spatial NCCOS Research Location > U.S. States and Territories > Connecticut Spatial NCCOS Research Location > U.S. States and Territories > Delaware Spatial NCCOS Research Location > U.S. States and Territories > Florida Spatial NCCOS Research Location > U.S. States and Territories > Georgia Spatial NCCOS Research Location > U.S. States and Territories > Louisiana Spatial NCCOS Research Location > U.S. States and Territories > Maine Spatial NCCOS Research Location > U.S. States and Territories > Maryland Spatial NCCOS Research Location > U.S. States and Territories > Massachusetts Spatial NCCOS Research Location > U.S. States and Territories > Mississippi Spatial NCCOS Research Location > U.S. States and Territories > New Jersey Spatial NCCOS Research Location > U.S. States and Territories > New York Spatial NCCOS Research Location > U.S. States and Territories > North Carolina Spatial NCCOS Research Location > U.S. States and Territories > Oregon Spatial NCCOS Research Location > U.S. States and Territories > Rhode Island Spatial NCCOS Research Location > U.S. States and Territories > South Carolina Spatial NCCOS Research Location > U.S. States and Territories > Texas Spatial NCCOS Research Location > U.S. States and Territories > Virginia Spatial NCCOS Research Location > U.S. States and Territories > Washington Spatial Nahku Bay, East Side Spatial Narragansett Bay, Conanicut Island Spatial Narragansett Bay, Prudence Island Spatial New Bedford Harbor, Clarks Point Spatial Niantic Bay, Black Point Spatial Norton Sound, Nome Spatial Oceanside Harbor, Outside Spatial Pamlico Sound, Jones Bay Spatial Pascagoula River, Escatawpa River Spatial Pascagoula River, Pascagoula River Spatial Penobscot Bay, Colt Head Island Spatial Penobscot Bay, Islesboro Island Spatial Penobscot Bay, Job Island Spatial Pensacola Bay, Pensacola Bay Spatial Prince William Sound, Port Valdez Spatial Puget Sound, Commencement Bay Spatial Puget Sound, Elliott Bay Spatial Puget Sound, Nisqually Reach Spatial Raritan Bay, East Reach Spatial Raritan Bay, Gravesend Bay Spatial Raritan Bay, Lower Bay Spatial Raritan Bay, Upper Bay Spatial Raritan Bay, West Reach Spatial Round Island, Round Island Spatial Salem Harbor, Folger Point Spatial San Antonio Bay, Mosquito Point Spatial San Antonio Bay, San Antonio Bay Spatial San Diego Bay, Harbor Island Spatial San Diego Bay, National City Spatial San Diego Bay, North Spatial San Diego Bay, Outside Spatial San Diego Bay, Shelter Island Spatial San Diego Bay, Twenty Eighth Street Spatial San Francisco Bay, Castro Creek Spatial San Francisco Bay, Hunters Point Spatial San Francisco Bay, Islais Creek Channel Spatial San Francisco Bay, Oakland Enterance Spatial San Francisco Bay, Oakland Estuary Spatial San Francisco Bay, Redwood City Spatial San Francisco Bay, San Pablo Bay Spatial San Francisco Bay, Southampton Shoal Spatial San Luis Obispo Bay, San Luis Obispo Bay Spatial San Pedro Bay, Cerritos Channel Spatial San Pedro Bay, Long Beach Spatial San Pedro Bay, Mid Harbor Spatial San Pedro Bay, Outer Harbor Spatial San Pedro Bay, Outside Spatial San Pedro Bay, Seal Beach Spatial Santa Monica Bay, Deep Spatial Santa Monica Bay, Manhatten Beach Spatial Santa Monica Bay, North Spatial Santa Monica Bay, South Spatial Santa Monica Bay, Southeast Spatial Santa Monica Bay, West Spatial Sapelo Sound, Barbour Island River Spatial Sapelo Sound, Dog Hammock Spatial Sapelo Sound, High Point Spatial Sapelo Sound, Inlet Spatial Sapelo Sound, Johnson Creek Spatial Sapelo Sound, South Newport River Spatial Savannah River, Elba Island Spatial Skagway, Skagway River Spatial St. Andrews Bay, Military Point Spatial St. Johns River, Arlington Channel Spatial St. Johns River, Orange Point Spatial St. Johns River, Ortega River Spatial St. Johns River, Piney Point Spatial St. Johns River, Quarantine Island Spatial St. Johns River, Trout River Spatial St. Johns River, W. Mill Cove Spatial St. Lucie River, Stuart Spatial Tampa Bay, Northern Tampa Bay Spatial U.S. Exclusive Economic Zone National Centers for Coastal Ocean Science Silver Spring MD Data Set None Planned Table (digital) None 41236 Dataset Parameters for Benthic Surveillance Chemistry data Published / External Completed The BS_analyte file reports information regarding chemistry study parameters for the Benthic Surveillance Project. | Description Source: National Status and Trends, Benthic Surveillance Project Converted from FGDC using 'fgdc_to_inport_xml_entity.pl' script. 1 NST_SITE Unknown No No Active NSandT Site Code: A 4-character acronym, which defines the name of a NSandT sampling site. The characters are generally chosen from the site's general and specific location. | Description Source: National Status and Trends, Benthic Surveillance Project User defined 2 YEAR Unknown No No Active Project year. Samples collected during the fiscal year (1OCT2000 and 30SEP2001) are reported as project year 2001. Analytical results reported in calendar year 2001 for samples collected on 1OCT1999 should be reported as project year of 2000 (i.e. fiscal year 2000). | Description Source: National Status and Trends, Benthic Surveillance Project User defined 3 MATRIX Unknown No No Active Sample matrix. A 3-letter code which identifies the matrix as sediment (SED), tissue (TIS), liver (LIV), or bile (BIL) | Description Source: National Status and Trends, Benthic Surveillance Project User defined 4 SPEC_CD1 Unknown No No Active Species abbreviation. Usually a 2 or 3 letter code which identifies the common species name. For example AF is used to define Artic Flounder. | Description Source: National Status and Trends, Benthic Surveillance Project User defined 5 ANALYTE Unknown No No Active Analyte abbreviation. Abbreviation for the target compound or surrogate standard. | Description Source: National Status and Trends, Benthic Surveillance Project User defined 6 CONC1 Unknown No No Active Result concentration. A numerical value for the measured parameter. | Description Source: National Status and Trends, Benthic Surveillance Project User defined 7 UNITS Unknown No No Active The units associated with the measured parameter: (ng/dry g) for organic chemicals; (ug/dry g) for inorganic chemicals; percent (%) for surrogate standards; percent (dry wt.) TC, TIC, TOC. | Description Source: National Status and Trends, Benthic Surveillance Project User defined 8 P25 Unknown No No Active Percentile 25% | Description Source: National Status and Trends, Benthic Surveillance Project User defined 9 P50 Unknown No No Active Percentile 50% | Description Source: National Status and Trends, Benthic Surveillance Project User defined 10 P75 Unknown No No Active Percentile 75% | Description Source: National Status and Trends, Benthic Surveillance Project User defined 11 P85 Unknown No No Active Percentile 85% | Description Source: National Status and Trends, Benthic Surveillance Project User defined 12 SED_ERL Unknown No No Active Amount of fines in sediment sample. Percent dry weight of sediment in the less than 64 microns size fraction. | Description Source: National Status and Trends, Benthic Surveillance Project User defined 13 SED_ERM Unknown No No Active Amount of gravel in sediment sample. Percent dry weight of sediment in the greater than 2mm size fraction. | Description Source: National Status and Trends, Benthic Surveillance Project User defined 14 ST_ABBR Unknown No No Active State abbreviation | Description Source: National Status and Trends, Benthic Surveillance Project User defined 15 REGCODE Unknown No No Active Region code | Description Source: National Status and Trends, Benthic Surveillance Project User defined 16 EDACDA Unknown No No Active NOAA's Coastal Assessment Framework watershed code | Description Source: National Status and Trends, Benthic Surveillance Project User defined 17 REV_ANALYTE Unknown No No Active Last revision of analyte file. | Description Source: National Status and Trends, Benthic Surveillance Project User defined Data Steward 1992 Position NCCOS Scientific Data Coordinator NCCOS.data@noaa.gov Distributor 1992 Position NCCOS Scientific Data Coordinator NCCOS.data@noaa.gov Metadata Contact 1992 Position NCCOS Scientific Data Coordinator NCCOS.data@noaa.gov Point of Contact 1992 Position NCCOS Scientific Data Coordinator NCCOS.data@noaa.gov Principal Investigator 1992 Person Piniak, Greg greg.piniak@noaa.gov Publication Date -159.356 -66.181 61.133 17.939 Range 1984 1992 Yes Unclassified None NOAA requests that all individuals who download NSandT data acknowledge the source of these data in any reports, papers, or presentations. If you publish these data, please include a statement similar to: "Some or all of the data described in this article were produced by NOAA through its National Status and Trends Program". https://products.coastalscience.noaa.gov/collections/ltmonitoring/nsandt/default.aspx Live Data and Maps ASCII Text (Unstructured) https://products.coastalscience.noaa.gov/collections/ltmonitoring/nsandt/default.aspx Live Data and Maps XML XML (Structured Text) https://products.coastalscience.noaa.gov/collections/ltmonitoring/nsandt/default.aspx Online Resource 2016-11-16 Date that the source FGDC record was last modified. 2017-04-05 Converted from FGDC Content Standards for Digital Geospatial Metadata (version FGDC-STD-001-1998) using 'fgdc_to_inport_xml.pl' script. Contact Tyler Christensen (NOS) for details. 2017-09-13 Partial upload of Spatial Info section only. 2018-02-08 Partial upload of Positional Accuracy fields only. The quality of the analytical data generated by the NSandT Program is overseen by the QA Project component, which has been in operation since 1985 and is designed to document sampling and analytical procedures, and to reduce intralaboratory and interlaboratory variation. The QA Project documentation will facilitate comparisons among different monitoring programs with similar QA activities and thus extended the temporal and spatial scale of such programs. To document laboratory expertise, the QA Project required all NSandT laboratories to participate in a series of intercomparison exercises utilizing a variety of materials. The organic analytical intercomparison exercises were coordinated by the NIST, and the inorganic exercises by National Research Council (NRC) of Canada. Details of quality assurance for the Benthic Surveillance Program can be found in Lauenstein, et. al. 1993. The same kind of field/site data have been supplied since the start of the Benthic Surveillance Project, in 1984. Original site coordinates were derived from Loran-C time conversions. Early sites information resulting from Loran-C was converted from time delay information to latitudes and longitudes. These earlier data may be suspect when sites were located close to large structures that could have interfered with accurate time delays. When GPS was first available the signal was intentionally degraded so earlier coordinate information, even if it resulted from GPS, is not as accurate as data would be today.Because fish are not sessile, fish trawls have been made along different tracks in the water body of interest. The latitude/ longitude coordinates provided in this file represent a nominal site center and trawling occurs within a 1 km radius of this location. When possible sediment samples were collected within 500 m of the fish sampling location. Once sampling in a certain geographic area is initiated, repeat sampling occurs during the same time frame. Northeast samples (Chesapeake Bay through Maine) have been collected during March and April. Southeast samples have been collected from August to October. Gulf Coast samples have been collected from August to October. West Coast samples have been collected from May through July. Alaska samples have been collected from May to August. The collection of fish is not directly tied to their spawning cycle, though different age classes may be found in certain estuaries during different times of the year. Sediments were collected concurrently with fish specimens at each Benthic Surveillance Project site. Care was taken to minimize the disturbance to the sediment grabs. Grabs that were incomplete, slumped, less than 7 cm in depth, or comprised chiefly of shelly substrates were discards. The chance of sampling the same location was minimized by repositioning the boat (five meters downstream) after three sampling attempts. Analytical protocols for the quantification of the NSandT organic contaminants were developed by MacLeod et al. (1984) at the National Marine Fisheries Service (NMFS), Northwest Fisheries Science Center (NWFSC) facilities in Seattle, WA. These methods were prescribed for all NMFS laboratories participating in the Benthic Surveillance Project (BSP) when the NSandT Program began in 1984. Three NMFS laboratories used these methods in 1984: Northeast Fisheries Science Center (NEFSC), Gloucester, MA; Southeast Fisheries Science Center (SEFSC), Charleston, SC; and NWFSC, Seattle, WA. The philosophy associated with the development of exacting protocols for the quantification of organic contaminants was that the same analytical methods would increase the likelihood of data being comparable among laboratories. Even though interlaboratory comparisons were initiated at the start of the NSandT Program, it was felt that a method-driven QA and analytical effort for the quantification of organic contaminants was the best way to begin. In 1985, MacLeod et al., 1985, updated the protocols. This method was further has been further edited and can be found in Volume 1 of Technical Memorandum 71. The NSandT Mussel Watch Project (MWP) began in 1986. At that time, both the MWP and BSP laboratories were allowed to use any analytical method if it could be proven that the proposed alternate procedure was equal to or better than earlier MacLeod et al. (1984, 1985) methods. Mandatory protocols were never prescribed for the laboratories quantifying major and trace elements in either the BSP or MWP. The quantification of elements by the NSandT Program laboratories was perceived to be of a high enough quality that analytical control could be maintained by the use of standard reference materials during the analytical cycle and through interlaboratory comparisons exercises. The sampling gear does not require any calibration, although it was inspected regularly for damage by mishandling or impact on rocky substrates. All sampling equipment was washed with water, and rinsed with alcohol and a final rinse with distilled water. Other solvents were used to rinse equipment earlier in the project.Because most fish were dissected onboard ship, a special effort was made to develop an environment as close to clean-room conditions as possible. All fish were dissected in positive pressure laminar flow hoods. Air was drawn into the laminar flow hood from above and filtered by a high efficiency particle attenuator (HEPA) filter before it passed over the fish samples. Stainless steel tools were used to dissect fish for organic analysis. Titanium tools were used to dissect fish for trace metal analyses because tools made of this element do not pose the problem of introducing nickel, chromium, and/or iron into the specimens to be analyzed. The NSandT Program analyzed specimens for the latter three elements. After knives had been sharpened, and thoroughly cleaned with detergent solution, rinsed extensively with tap water, rinsed in distilled or high-purity water (i.e., milli-Q or HPLC-grade water), rinsed with isopropranol under a fume hood, followed by a rinse with distilled water, and placed on a similarly cleaned Teflon cutting board that was allowed to air-dry in the laminar-flow hood. Between individual fish of the same species at the same site, the tools were rinsed with distilled water before any fluid or tissue had a chance to dry on the knife. Three sets of sampling tools were used to remove fish tissues for analysis. One set was used to cut through the body wall or make the initial cuts through the epidermis for fish muscle dissection. A second set was used to collect the liver and other internal tissues that were analyzed for organic contaminants. The third set, consisting of a Teflon knife and polyamide forceps, was used for collecting liver tissue for trace element analyses. The second set of cutting instruments avoids chemistry samples from being contaminated with dirt and mucus from the surface to the fish, while the third set of tools avoids introducing trace element contamination. 1 Sediment and benthic fish tissue samples were collected for the analysis of metallic and organic chemical constituents. Separate samples from the same sediment were collected for sediment grain-size analyses and Clostridium perfringens enumeration. Samples were primarily collected from gasoline-powered boats or from NOAA ships. The NOAA RV Ferrell was the primary collecting platform on the US East and Gulf coasts while the NOAA RV McArthur was the primary collecting platform for the West Coast.Multiple sediment grabs were collected from each site using a Young-modified Van Veen grab sampler. Each grab was nominally 440 cm2 in area and up to 10 cm in depth, but only the top two-centimeter section of a grab was retained for the chemical analyses. Sample material was a composite from three grab samples for each suite of analyses. Sediments were taken from the center of each grab, avoiding contact with the sediment grab walls. The grab was cleaned and solvent rinsed between each sampling site. Subsamples were taken with a kynar coated calibrated sediment scoop. Fish were primarily collected with Otter trawls towed by NOAA research vessels or their associated boats. Occasionally, along the Southeast and Gulf Coasts, fish were taken with hook and line or with gill nets. These alternate collections methods were necessary because larger fish, such as older Atlantic croaker, were able to avoid an Otter trawl, or were found in untrawlable habitats such as shallow water, along marsh edges, and over oyster reefs. Fish in the correct size range were dissected in the onboard laboratory immediately after collection. This ensured that a determination could be made regarding whether sufficient material had been collected and whether the sample material was of high quality. If either one of these criteria was not met, the opportunity existed to continue sample collection. Also, field dissection minimizes contamination problems associated with dissection of frozen fish samples. Frozen fish tissues, when thawed, may lose their integrity and one tissue type may contaminate another. Fish tissues for histopathological examination must be prepared in the field because freezing will destroy the morphology of the tissue. Sediment and benthic fish tissue samples were analyzed for metals, butyltins, PAH's (sediments only), PCBs, pesticides, and periodically additional analytes. The analytical instruments were calibrated by standard laboratory procedures including: construction calibration curves, running blank and spiked quality control samples, and analyzing standard reference materials. Process Date Range is 1984 - 1992 1992-01-01T00:00:00 2 Total DDT = opdde + ppdde + ppddd + opddt + ppddt Total PAH (high molecular weight) = benanth + chrysene + fluorant + pyrene + benapy + benepy + benzobfl + benzokfl + benzofl + dibenz + perylene + benzop + indeno Total PAH (low molecular weight) = biphenyl + dimeth + menap1 + menap2 + naph + trimeth + acenth + acenthy + anthra + bibenzot + fluorene + mephen1 + phenanth Total PAHs (prior to 1988) = naph + menap2 + menap1 + biphenyl + dimeth + acenthy + fluorene + phenanth + anthra + mephen1 + fluorant + pyrene + benanth + chrysene + benepy + benapy + perylene + dibenz Total PAHs (since 1988) = naph + menap2 + menap1 + biphenyl + dimeth + acenthe + acenthy + trimeth + fluorene + phenanth + anthra + mephen1 + fluorant + pyrene + benanth + benzobfl + benzokfl + benzofl + benepy + benapy + dibenz + indeno + benzop + chrysene + perylene (Note: benzobfl and benzokfl were not reported when benzofl was, therefore benzofl is included in the sum) Total PCBs (prior to 1988) = di + tri + tet + pen + hex + hep + oct + non Total PCBs (since 1988) = 2 x (pcb8 + pcb18 + pcb 28 + pcb52 + pcb44 + pcb66 + pcb101 + pcb105 + pcb138 + pcb118 + pcb128 + pcb153 + pcb170 + pcb180 + pcb187 + pcb195 + pcb206 + pcb209) Total Chlordanes = alphachl + tnonchl + heptachl + heptaepo (Note: gammachl, cnonchl, and oxychl not included) Total Dieldrin = aldrin + dieldrin (Note: endrin not included) Total butyltins = tbt + dbt + mbtProcess Date Range is 1984 - 1992 1992-01-01T00:00:00 41236 Entity gov.noaa.nmfs.inport:39256 Tyler Christensen 2017-04-05T12:51:30 SysAdmin InPortAdmin 2025-05-15T19:15:54 2018-02-08 National Centers for Coastal Ocean Science NCCOS 1002 Public No No 2018-02-08 1 Year 2019-02-08