| #D001 | | ALL FORMS OF MARINE LIFE | includes all life stages of all marine species. | high |
| #D002 | | AREA PRODUCTION FOREGONE (APF) | also known as habitat production foregone, is an estimate of the area that is required to produce (replace) the same amount of larvae or propagules* that are removed via entrainment at a desalination facilities* intakes. APF is calculated by multiplying the proportional mortality* by the source water body,* which are both determined using an empirical transport model.* | high |
| #D003 | | AREAS OF SPECIAL BIOLOGICAL SIGNIFICANCE (ASBS) | are those areas designated by the State Water Board as ocean areas requiring protection of species or biological communities to the extent that maintenance of natural water quality is assured. All Areas of Special Biological Significance are also classified as a subset of STATE WATER QUALITY PROTECTION AREAS.* ASBS are also referred to as State Water Quality Protection Areas* - Areas of Special Biological Significance (SWQPA-ASBS). | high |
| #D004 | | BACTERIA WATER QUALITY OBJECTIVE(S) | are the bacteria water quality objectives set forth in Chapter II.B.1.a.(1). | high |
| #D005 | | BASIN PLAN | is a water quality control plan that consists of a designation or establishment for the waters within a specified area of all of the following: (1) Beneficial uses to be protected, (2) Water quality objectives, (3) A program of implementation needed for achieving water quality objectives. | high |
| #D006 | | BRINE | is the byproduct of desalinated* water having a salinity* concentration greater than a desalination facility's* intake source water. | high |
| #D007 | | BRINE MIXING ZONE | is the area where salinity* may exceed 2.0 parts per thousand above natural background salinity,* or the concentration of salinity* approved as part of an alternative receiving water limitation. The standard brine mixing zone shall not exceed 100 meters (328 feet) laterally from the points of discharge and throughout the water column. An alternative brine mixing zone, if approved as described in chapter III.M.3.d, shall not exceed 200 meters (656 feet) laterally from the points of discharge and throughout the water column. The brine mixing zone is an allocated impact zone where there may be toxic effects on marine life due to elevated salinity. | high |
| #D008 | | CALENDAR MONTH(S) | is a period of time from a day of one month to the day before the corresponding day of the next month if the corresponding day exists, or if not to the last day of the next month (e.g. from January 1 to January 31, from June 15 to July 14, or from January 31 to February 28). | high |
| #D009 | | CHLORDANE | shall mean the sum of chlordane-alpha, chlordane-gamma, chlordenealpha, chlordene-gamma, nonachlor-alpha, nonachlor-gamma, and oxychlordane. | high |
| #D010 | | DDT | shall mean the sum of 4,4'DDT, 2,4'DDT, 4,4'DDE, 2,4'DDE, 4,4'DDD, and 2,4'DDD. | high |
| #D011 | | DESALINATION FACILITY | is an industrial facility that processes water to remove salts and other components from the source water to produce water that is less saline than the source water. | high |
| #D012 | | DICHLOROBENZENES | shall mean the sum of 1,2- and 1,3-dichlorobenzene. | high |
| #D013 | | DOWNSTREAM OCEAN WATERS | shall mean waters downstream with respect to ocean currents. | high |
| #D014 | | EELGRASS BEDS | are aggregations of the aquatic plant species of the genus Zostera . | high |
| #D015 | | EMPIRICAL TRANSPORT MODEL (ETM) | is a methodology for determining the spatial area known as the source water body* that contains the source water population, which are the organisms that are at risk of entrainment as determined by factors that may include but are not limited to biological, hydrodynamic, and oceanographic data. ETM can also be used to estimate proportional mortality,* Pm. | high |
| #D016 | | ENDOSULFAN | shall mean the sum of endosulfan-alpha and -beta and endosulfan sulfate. | high |
| #D017 | | FEASIBLE | for the purposes of chapter III.M, shall mean capable of being accomplished in a successful manner within a reasonable period of time, taking into account economic, environmental, social, and technological factors. | high |
| #D018 | | FLOW AUGMENTATION | is a type of in-plant dilution and occurs when a desalination facility* withdraws additional source water for the specific purpose of diluting brine* prior to discharge. | high |
| #D019 | | GRAYWATER | is drainage from galley, dishwasher, shower, laundry, bath, and lavatory wash basin sinks, and water fountains, but does not include drainage from toilets, urinals, hospitals, or cargo spaces. | high |
| #D020 | | HALOMETHANES | shall mean the sum of bromoform, bromomethane (methyl bromide) and chloromethane (methyl chloride). | high |
| #D021 | | ACUTE TOXICITY | a. Acute Toxicity (TUa) Expressed in Toxic Units Acute (TUa) b. Lethal Concentration 50% (LC 50) LC 50 (percent waste giving 50% survival of test organisms) shall be determined by static or continuous flow bioassay techniques using standard marine test species as specified in Appendix III. | high |
| #D022 | | CHRONIC TOXICITY | This parameter shall be used to measure the acceptability of waters for supporting a healthy marine biota until improved methods are developed to evaluate biological response. a. Chronic Toxicity (TUc) Expressed as Toxic Units Chronic (TUc) b. No Observed Effect Level (NOEL) The NOEL is expressed as the maximum percent effluent or receiving water* that causes no observable effect on a test organism, as determined by the result of a critical life stage toxicity test listed in Appendix III, Table III-1. | high |
| #D023 | | DEGRADE | Degradation shall be determined by comparison of the waste field and reference site(s) for characteristic species diversity, population density, contamination, growth anomalies, debility, or supplanting of normal species by undesirable plant and animal species. Degradation occurs if there are significant* differences in any of three major biotic groups, namely, demersal fish, benthic invertebrates, or attached algae. | high |
| #D024 | | ENCLOSED BAYS | are indentations along the coast which enclose an area of oceanic water within distinct headlands or harbor works. Enclosed bays include all bays where the narrowest distance between headlands or outermost harbor works is less than 75 percent of the greatest dimension of the enclosed portion of the bay. This definition includes but is not limited to: Humboldt Bay, Bodega Harbor, Tomales Bay, Drakes Estero, San Francisco Bay, Morro Bay, Los Angeles Harbor, Upper and Lower Newport Bay, Mission Bay, and San Diego Bay. | high |
| #D025 | | FULL CAPTURE SYSTEM | is a treatment control*, or series of treatment controls*, including but not limited to, a multi-benefit project* or a low-impact development control* that traps all particles that are 5 mm or greater, and has a design treatment capacity that is either: a) of not less than the peak flow rate, Q, resulting from a oneyear, one-hour, storm in the subdrainage area, or b) appropriately sized to, and designed to carry at least the same flows as, the corresponding storm drain. | high |
| #D026 | | INDICATOR BACTERIA | includes total coliform bacteria, fecal coliform bacteria (or E. coli ), and/or Enterococcus bacteria. | high |
| #D027 | | INITIAL DILUTION | is the process which results in the rapid and irreversible turbulent mixing of wastewater with ocean water around the point of discharge. | high |
| #D028 | | OCEAN WATERS | are the territorial marine waters of the State as defined by California law to the extent these waters are outside of enclosed bays,* estuaries, and coastal lagoons.* | high |
| #D029 | | TRASH | means all improperly discarded solid material from any production, manufacturing, or processing operation including, but not limited to, products, product packaging, or containers constructed of plastic, steel, aluminum, glass, paper, or other synthetic or natural materials. | high |
| #D030 | | WASTE | As used in this Plan, waste includes a discharger's total discharge, of whatever origin, i.e., gross, not net, discharge. | high |
| #D031 | | DREDGED MATERIAL | Any material* excavated or dredged from the navigable waters of the United States, including material* otherwise referred to as 'spoil'. | high |
| #D032 | | ESTUARIES AND COASTAL LAGOONS | are waters at the mouths of streams that serve as mixing zones for fresh and ocean* waters during a major portion of the year. Mouths of streams that are temporarily separated from the ocean by sandbars shall be considered as estuaries. Estuarine waters will generally be considered to extend from a bay or the open ocean to the upstream limit of tidal action but may be considered to extend seaward if significant* mixing of fresh and salt water occurs in the open coastal waters. The waters described by this definition include but are not limited to the Sacramento-San Joaquin Delta as defined by section 12220 of the California Water Code, Suisun Bay, Carquinez Strait downstream to Carquinez Bridge, and appropriate areas of the Smith, Klamath, Mad, Eel, Noyo, and Russian Rivers. | high |
| #D033 | | ETM/APF APPROACH or ANALYSIS | For guidance on how to perform an ETM/APF analysis please see Appendix E of the Staff Report for Amendment to the Water Quality Control Plan For Ocean Waters of California Addressing Desalination Facility Intakes, Brine Discharges, And The Incorporation Of Other Non-substantive Changes. | high |
| #D034 | | FULL CAPTURE SYSTEM EQUIVALENCY | is the Trash* load that would be reduced if full capture systems* were installed, operated, and maintained for all storm drains that capture runoff from the relevant areas of land (priority land uses*, significant trash generating areas*, facilities or sites regulated by NPDES permits for discharges of storm water* associated with industrial activity, or specific land uses or areas that generate substantial amounts of Trash*, as applicable). The full capture system equivalency* is a Trash* load reduction target that the permittee quantifies by using an approach, and technically acceptable and defensible assumptions and methods for applying the approach, subject to the approval of permitting authority*. | high |
| #D035 | | GEOMETRIC MEAN (GM) | is a type of mean or average that indicates the central tendency or typical value of a set of numbers by using the product of their values (as opposed to the arithmetic mean which uses their sum). The geometric mean is defined as the nth root of the product of n numbers. The formula is expressed as: GM = n\/x1x2...xn, where x is the sample value and n is the number of samples taken. | high |
| #D036 | | HCH | shall mean the sum of the alpha, beta, gamma (lindane) and delta isomers of hexachlorocyclohexane. | high |
| #D037 | | IN-KIND MITIGATION | is when the habitat or species lost is the same as what is replaced through mitigation. | high |
| #D038 | | INSTITUTIONAL CONTROLS | are non-structural best management practices (i.e., no structures are involved) that may include, but not be limited to, street sweeping, sidewalk Trash* bins, collection of the Trash*, anti-litter educational and outreach programs, producer take-back for packaging, and ordinances. | high |
| #D039 | | KELP BEDS | are aggregations of marine algae of the order Laminariales, including species in the genera Macrocystis, Nereocystis, and Pelagophycus. Kelp beds include the total foliage canopy throughout the water column. | high |
| #D040 | | LARGE PASSENGER VESSELS | are vessels of 300 gross registered tons or greater engaged in carrying passengers for hire. The following vessels are not large passenger vessels: (1) Vessels without berths or overnight accommodations for passengers; (2) Noncommercial vessels, warships, vessels operated by nonprofit entities as determined by the Internal Revenue Service, and vessels operated by the state, the United States, or a foreign government; (3) Oceangoing vessels,* as defined below (e.g. those used to transport cargo). | high |
| #D041 | | LOW-IMPACT DEVELOPMENT CONTROLS | are treatment controls* that employ natural and constructed features that reduce the rate of storm water* runoff, filter out pollutants, facilitate storm water* storage onsite, infiltrate storm water* into the ground to replenish groundwater supplies, or improve the quality of receiving groundwater and surface water. (See Water Code & 10564.) | high |
| #D042 | | LOEC | is the lowest observed effect concentration or the lowest concentration of effluent that causes observable adverse effects in exposed test organisms. | high |
| #D043 | | MARICULTURE | is the culture of algae, plants, and animals in marine waters independent of any pollution source. | high |
| #D044 | | MARINE MANAGED AREAS | are named, discrete geographic marine or estuarine areas along the California coast designated by law or administrative action, and intended to protect, conserve, or otherwise manage a variety of resources and their uses. According to the California Public Resources Code (&& 36600 et seq.) there are six classifications of marine managed areas, including State Marine Reserves, State Marine Parks and State Marine Conservation Areas, State Marine Cultural Preservation Areas, State Marine Recreational Management Areas, and State Water Quality Protection Areas.* | high |
| #D045 | | MARKET SQUID NURSURIES | are comprised of numerous egg capsules, each containing approximately 200 developing embryos, attached in clusters or mops to sandy substrate with moderate water flow. Market squid ( Doryteuthis opalescens ) nurseries occur at a wide range of depths; however, mop densities are greatest in shallow, nearshore waters between ten and 100 meters (328 feet) deep. | high |
| #D046 | | MATERIAL | (a) In common usage: (1) the substance or substances of which a thing is made or composed (2) substantial; (b) For purposes of this Ocean Plan relating to waste disposal, dredging and the disposal of dredged material* and fill, MATERIAL means matter of any kind or description which is subject to regulation as waste, or any material dredged from the navigable waters of the United States. See also, DREDGED MATERIAL.* For the purposes of chapter III.M.2.d, materials relates to the common usage in (a). | high |
| #D047 | | METHOD DETECTION LIMIT (MDL) | is the minimum concentration of a substance that can be measured and reported with 99% confidence that the analyte concentration is greater than zero, as defined in 40 CFR PART 136 Appendix B. | high |
| #D048 | | MINIMUM LEVEL (ML) | is the concentrations at which the entire analytical system must give a recognizable signal and acceptable calibration point. The ML is the concentration in a sample that is equivalent to the concentration of the lowest calibration standard analyzed by a specific analytical procedure, assuming that all the method-specified sample weights, volumes and processing steps have been followed. | high |
| #D049 | | MULTIPORT DIFFUSERS | are linear structures consisting of spaced ports or nozzles that are installed on submerged marine outfalls. For the purposes of chapter III.M, multiport diffusers discharge brine* waste into an ambient receiving water body and enable rapid mixing, dispersal, and dilution of brine* within a relatively small area. | high |
| #D050 | | MUNICIPAL SEPARATE STORM SEWER SYSTEM (MS4) | has the same meaning set forth in 40 Code of Federal Regulations section 122.26(b)(8). | high |
| #D051 | | NATURAL BACKGROUND SALINITY | is the salinity* at a location that results from naturally occurring processes and is without apparent human influence. For purposes of determining natural background salinity, the regional water board may approve the use of: (1) the mean monthly natural background salinity... or (2) the actual salinity at a reference location, or reference locations, that is representative of natural background salinity at the discharge location. | high |
| #D052 | | NATURAL LIGHT | Reduction of natural light may be determined by the Regional Board by measurement of light transmissivity or total irradiance, or both, according to the monitoring needs of the Regional Board. | high |
| #D053 | | NO DISCHARGE ZONE (NDZ) | is an area in which both treated and untreated sewage discharges from vessels are prohibited. Within NDZ boundaries, vessel operators are required to retain their sewage discharges onboard for disposal at sea (beyond three miles from shore) or onshore at a pump-out facility. | high |
| #D054 | | NON-STORM WATER DISCHARGE | is any runoff that is not the result of a precipitation event. This is often referred to as 'dry weather flow.' | high |
| #D055 | | OCEANGOING VESSELS | (i.e., oceangoing ships) means commercial vessels of 300 gross registered tons or more calling on California ports or places, excluding active military vessels. | high |
| #D056 | | OILY BILGE WATER | includes bilge water that contains used lubrication oils, oil sludge and slops, fuel and oil sludge, used oil, used fuel and fuel filters, and oily waste. | high |
| #D057 | | OUT-OF-KIND MITIGATION | is when the habitat or species lost is different than what is replaced through mitigation. | high |
| #D058 | | PAHs | (polynuclear aromatic hydrocarbons) shall mean the sum of acenaphthylene, anthracene, 1,2-benzanthracene, 3,4-benzofluoranthene, benzo[k]fluoranthene, 1,12-benzoperylene, benzo[a]pyrene, chrysene, dibenzo[ah]anthracene, fluorene, indeno[1,2,3-cd]pyrene, phenanthrene and pyrene. | high |
| #D059 | | PCBs | (polychlorinated biphenyls) shall mean the sum of chlorinated biphenyls whose analytical characteristics resemble those of Aroclor-1016, Aroclor-1221, Aroclor1232, Aroclor-1242, Aroclor-1248, Aroclor-1254 and Aroclor-1260. | high |
| #D060 | | PERMITTING AUTHORITY | means the State Water Board or Regional Water Board, whichever issues the permit. | high |
| #D061 | | PREPRODUCTION PLASTIC | has the same meaning set forth in section 13367(a) of the Water Code. | high |
| #D062 | | PRIORITY LAND USES | are those developed sites, facilities, or land uses (i.e., not simply zoned land uses) within the MS4* permittee's jurisdiction from which discharges of Trash* are regulated by this Ocean Plan as follows: (1) High-density residential: all land uses with at least ten (10) developed dwelling units/acre. (2) Industrial... (3) Commercial... (4) Mixed urban... (5) Public transportation stations... | high |
| #D063 | | PROPAGULES | are structures that are capable of propagating an organism to the next stage in its life cycle via dispersal. Dispersal is the movement of individuals from their birth site to their reproductive grounds. | high |
| #D064 | | PROPORTIONAL MORTALITY, Pm | is percentage of larval organisms or propagules* in the source water body* that is expected to be entrained at a desalination facility's* intake. It is assumed that all entrained larvae or propagules* die as a result of entrainment. | high |
| #D065 | | RECEIVING WATER | for permitted storm water discharges and nonpoint sources, should be measured at the point of discharge(s), in the surf zone immediately where runoff from an outfall meets the ocean water (a.k.a., at point zero). | high |
| #D066 | | REFERENCE SYSTEM | is a watershed or waterbody segment determined by the Water Board to be minimally disturbed by anthropogenic stresses but otherwise is representative of conditions of the assessed site, watershed, or water body segment. | high |
| #D067 | | SALINITY | is a measure of the dissolved salts in a volume of water. For the purposes of this Plan, salinity shall be measured using a standard method approved by the regional water board (e.g. Standard Method 2520 B, EPA Method 120.1, EPA Method 160.1) and reported in parts per thousand (ppt). | high |
| #D068 | | SEAWATER | is salt water that is in or from the ocean. For the purposes chapter III.M, seawater includes tidally influenced waters in coastal estuaries and coastal lagoons* and underground salt water beneath the seafloor, beach, or other contiguous land with hydrologic connectivity to the ocean. | high |
| #D069 | | SENSITIVE HABITATS | for the purposes of this Plan, are kelp beds,* rocky substrate, surfgrass beds,* eelgrass beds,* oyster beds, spawning grounds for state or federally managed species, market squid nurseries,* or other habitats in need of special protection as determined by the Water Boards. | high |
| #D070 | | SHELLFISH | are organisms identified by the California Department of Public Health as shellfish for public health purposes (i.e., mussels, clams and oysters). | high |
| #D071 | | SIGNIFICANT | difference is defined as a statistically significant difference in the means of two distributions of sampling results at the 95 percent confidence level. | high |
| #D072 | | SIGNIFICANT TRASH GENERATING AREAS | means all locations or facilities within the Department's jurisdiction where Trash* accumulates in substantial amounts, such as: (1) Highway on- and off-ramps in high density residential, commercial, and industrial land uses... (2) Rest areas and park-and-rides. (3) State highways in commercial and industrial land uses... (4) Mainline highway segments to be identified by the Department through pilot studies and/or surveys. | high |
| #D073 | | SINGLE SAMPLE MAXIMUM (SSM) | is a maximum value not to be exceeded in any single sample. | high |
| #D074 | | SOURCE WATER BODY | is the spatial area that contains the organisms that are at risk of entrainment at a desalination facility* as determined by factors that may include, but are not limited to, biological, hydrodynamic, and oceanographic data. | high |
| #D075 | | STATE WATER QUALITY PROTECTION AREAS (SWQPAs) | are nonterrestrial marine or estuarine areas designated to protect marine species or biological communities from an undesirable alteration in natural water quality. All Areas of Special Biological Significance (ASBS)* that were previously designated by the State Water Board in Resolutions 74-28, 74-32, and 75-61 are now also classified as a subset of State Water Quality Protection Areas and require special protections afforded by this Plan. | high |
| #D076 | | STATE WATER QUALITY PROTECTION AREAS - GENERAL PROTECTION (SWQPA-GP) | designated by the State Water Board to protect marine species and biological communities from an undesirable alteration in natural water quality within State Marine Parks and State Marine Conservation Areas. | high |
| #D077 | | STATISTICAL THRESHOLD VALUE (STV) | for the bacteria water quality objective* is a set value that approximates the 90th percentile of the water quality distribution of a bacterial population. The STV* for the bacteria water quality objective* is 110 cfu/100mL. | high |
| #D078 | | STORM WATER | has the same meaning set forth in 40 Code of Federal Regulations section 122.26(b)(13) (Nov. 16, 1990). | high |
| #D079 | | SUBSURFACE INTAKE | for the purposes of chapter III.M, is an intake withdrawing seawater* from the area beneath the ocean floor or beneath the surface of the earth inland from the ocean. | high |
| #D080 | | SURFGRASS BEDS | are aggregations of marine flowering plants of the genus Phyllospadix. | high |
| #D081 | | TCDD EQUIVALENTS | shall mean the sum of the concentrations of chlorinated dibenzodioxins (2,3,7,8-CDDs) and chlorinated dibenzofurans (2,3,7,8-CDFs) multiplied by their respective toxicity factors. | high |
| #D082 | | TRASH PROVISIONS | are the water quality objective for Trash*, as well as the prohibition of discharge set forth in Chapter III.I and implementation requirements set forth in Chapter III.L herein. | high |
| #D083 | | TREATMENT CONTROLS | are structural best management practices to either (a) remove pollutants and/or solids from storm water* runoff, wastewater, or effluent, or (b) capture, infiltrate or reuse storm water* runoff, wastewater, or effluent. Treatment controls include full capture systems* and low-impact development controls*. | high |
| #D084 | | WATER RECLAMATION | The treatment of wastewater to render it suitable for reuse, the transportation of treated wastewater to the place of use, and the actual use of treated wastewater for a direct beneficial use or controlled use that would not otherwise occur. | high |
| #D085 | | WQS VARIANCE | A water quality standards variance, as defined by 40 Code of Federal Regulations section 131.3(o), is a time-limited designated use and criterion for a specific pollutant(s) or water quality parameter(s) that reflect the highest attainable condition during the term of the water quality standards variance. | high |
| #D086 | | MULTI-BENEFIT PROJECT | is a treatment control* project designed to achieve any of the benefits set forth in section 10562, subdivision (d) of the Water Code. Examples include projects designed to: infiltrate, recharge or store storm water* for beneficial reuse; develop or enhance habitat and open space through storm water* and nonstorm water management; and/or reduce storm water* and non-storm water runoff volume. | high |
| #D087 | | State Board or State Water Board | shall mean the State Water Resources Control Board. | high |
| #D088 | | Regional Board or Regional Water Board | shall mean a California Regional Water Quality Control Board. | high |
| #D089 | | Environmental Protection Agency, USEPA, or EPA | shall mean the federal Environmental Protection Agency. | high |
| #D090 | | NGI | National Epidemiological and Environmental Assessment of Recreational Water gastrointestinal illness rate | high |
| #D091 | | AB 411 Beach | is defined as a beach visited by more than 50,000 people annually and located on an area adjacent to a storm drain that flows in the summer. (Health & Saf. Code § 115880.) | high |
| #D092 | | SWAMP | Surface Water Ambient Monitoring Program | high |
| #D093 | | CEDEN | California Environmental Data Exchange Network | high |
| #D094 | | MRPs | monitoring and reporting programs | high |
| #D095 | | ACUTE TOXICITY | a. Acute Toxicity (TUa) Expressed in Toxic Units Acute (TUa) b. Lethal Concentration 50% (LC 50) LC 50 (percent waste giving 50% survival of test organisms) shall be determined by static or continuous flow bioassay techniques using standard marine test species as specified in Appendix III. If specific identifiable substances in wastewater can be demonstrated by the discharger as being rapidly rendered harmless upon discharge to the marine environment, but not as a result of dilution, the LC 50 may be determined after the test samples are adjusted to remove the influence of those substances. When it is not possible to measure the 96-hour LC 50 due to greater than 50 percent survival of the test species in 100 percent waste, the toxicity concentration shall be calculated by the expression: TUa = log (100 - S) / 1.7 where: S = percentage survival in 100% waste. If S > 99, TUa shall be reported as zero. | high |
| #D096 | | NATURAL BACKGROUND SALINITY | is the salinity* at a location that results from naturally occurring processes and is without apparent human influence. For purposes of determining natural background salinity, the regional water board may approve the use of: (1) the mean monthly natural background salinity. Mean monthly natural background salinity shall be determined by averaging 20 years of historical salinity* data in the proximity of the proposed discharge location and at the depth of the proposed discharge, when feasible.* For historical data not recorded in parts per thousand, the regional water boards may accept converted data at their discretion. When historical data are not available, natural background salinity shall be determined by measuring salinity* at depth of proposed discharge for three years, on a weekly basis prior to a desalination facility* discharging brine,* and the mean monthly natural salinity* shall be used to determine natural background salinity; or (2) the actual salinity at a reference location, or reference locations, that is representative of natural background salinity at the discharge location. The reference locations shall be without apparent human influence, including wastewater outfalls and brine discharges. | high |
| #D097 | | PRIORITY LAND USES | are those developed sites, facilities, or land uses (i.e., not simply zoned land uses) within the MS4* permittee's jurisdiction from which discharges of Trash* are regulated by this Ocean Plan as follows: (1) High-density residential: all land uses with at least ten (10) developed dwelling units/acre. (2) Industrial : land uses where the primary activities on the developed parcels involve product manufacture, storage, or distribution (e.g., manufacturing businesses, warehouses, equipment storage lots, junkyards, wholesale businesses, distribution centers, or building material sales yards). (3) Commercial : land uses where the primary activities on the developed parcels involve the sale or transfer of goods or services to consumers (e.g., business or professional buildings, shops, restaurants, theaters, vehicle repair shops, etc.) (4) Mixed urban : land uses where high-density residential, industrial, and/or commercial land uses predominate collectively (i.e., are intermixed). (5) Public transportation stations : facilities or sites where public transit agencies' vehicles load or unload passengers or goods (e.g., bus stations and stops). | high |
| #D098 | | SIGNIFICANT TRASH GENERATING AREAS | means all locations or facilities within the Department's jurisdiction where Trash* accumulates in substantial amounts, such as: (1) Highway on- and off-ramps in high density residential, commercial, and industrial land uses (as such land uses are defined under priority land uses* herein). (2) Rest areas and park-and-rides. (3) State highways in commercial and industrial land uses (as such land uses are defined under priority land uses* herein). (4) Mainline highway segments to be identified by the Department through pilot studies and/or surveys. | high |
| #D099 | | TCDD EQUIVALENTS | shall mean the sum of the concentrations of chlorinated dibenzodioxins (2,3,7,8-CDDs) and chlorinated dibenzofurans (2,3,7,8-CDFs) multiplied by their respective toxicity factors, as shown in the table below. | high |
| #D100 | | existing facilities | means desalination facilities* that have been issued an NPDES permit and all building permits and other governmental approvals necessary to commence construction for which the owner or operator has relied in good faith on those previously-issued permits and approvals and commenced construction of the facility beyond site grading prior to January 28, 2016. | high |
| #D101 | | expanded facilities | means existing facilities for which, after January 28, 2016, the owner or operator does either of the following in a manner that could increase intake or mortality of all forms of marine life * beyond that which was originally approved in any NPDES permit or Water Code section 13142.5, subdivision (b) (hereafter Water Code section 13142.5(b)) determination: 1) increases the amount of seawater* used either exclusively by the facility or used by the facility in conjunction with other facilities or uses, or 2) changes the design or operation of the facility. To the extent that the desalination facility* is co-located with another facility that withdraws water for a different purpose and that other facility reduces the volume of water withdrawn to a level less than the desalination facility's* volume of water withdrawn, the desalination facility* is considered to be an expanded facility. | high |
| #D102 | | new facilities | means desalination facilities* that are not existing facilities or expanded facilities. | high |
| #D103 | | positively buoyant commingled effluent | shall mean that the commingled plume rises when it enters the receiving water body due to salinity* levels in the commingled discharge being lower than the natural background salinity.* | high |
| #D104 | | reported Minimum Level | is the Minimum* Level (and its associated analytical method) chosen by the discharger for reporting and compliance determination from the Minimum* Levels included in their permit. | high |
| #D105 | | Core monitoring | consists of the basic site-specific monitoring necessary to measure compliance with individual effluent limits and/or impacts to receiving water* quality. Core monitoring is typically conducted in the immediate vicinity of the discharge by examining local scale spatial effects. | high |
| #D106 | | Regional monitoring | provides information necessary to make assessments over large areas and serves to evaluate cumulative effects of all anthropogenic inputs. Regional monitoring data also assists in the interpretation of core monitoring studies. | high |
| #D107 | | Special studies | are directed monitoring efforts designed in response to specific management or research questions identified through either core or regional monitoring programs. Often they are used to help understand core or regional monitoring results, where a specific environmental process is not well understood, or to address unique issues of local importance. | high |
| #D108 | | Irrigated lands | are where water is applied for the purpose of producing crops, including, but not limited to, row and field crop, orchards, vineyard, rice production, nurseries, irrigated pastures, and managed wetlands. | high |
| #D109 | | SWAMP comparable | means all sample collection and analyses shall meet or exceed the measurement quality objectives (MQOs) - including all sample types, frequencies, control limits and holding time requirements - as specified in the SWAMP Quality Assurance Project Plan (QAPrP) | high |
| #D110 | | MQOs | measurement quality objectives | high |
| #D111 | | QAPrP | Quality Assurance Project Plan | high |
| #D112 | | SCCOOS | Southern California Coastal Ocean Observing System | high |
| #D113 | | CeNCCOOS | Central and Northern California Ocean Observing System | high |
| #D114 | | NPDES | National Pollutant Discharge Elimination System | high |
| #D115 | | Subchapter N | 40 Code of Federal Regulations, Chapter I, Subchapter N | high |
| #D116 | | SICs | Standard Industrial Classifications | high |
| #D117 | | Inactive mining operations | mining sites that are not being actively mined, but which have an identifiable owner/operator. Inactive mining sites do not include sites where mining claims are being maintained prior to disturbances associated with the extraction, beneficiation, or processing of mined material; or sites where minimal activities are undertaken for the sole purpose of maintaining a mining claim. | high |
| #D118 | | construction activities | any clearing, grading, or excavation that results in disturbance | high |