MMSD Water Quality Measurements Documentation

  • 1975-1997 Abbreviations
  • 1998-2001 Abbreviations
  • 1998 MDL Summary
  • 1999 MDL Summary
  • 2000 MDL Summary
  • Return to MMSD Historic Data home page.

    Abbreviations Legend for MMSD Water Quality Data, 1975-1997*

    Variable Abbr. Measurement name
    TEMP Temperature Degrees Celsius
    pH Std. Units
    DO Dissolved Oxygen mg/L
    TKN Total Kjeldahl Nitrogen mg/L
    PHOS Phosphorus mg/L
    SOLPHOS Soluble Phosphorus mg/L
    SOLSIL Soluble Silica mg/L
    CHLA Chlorophyll “a” mg/m3
    SS Suspended Solids mg/L
    VSS Volatile Suspended Solids mg/L
    TS Total Solids mg/L
    FECAL Fecal Coliform Bacteria MPN/100 mL
    SPEC Specific Conductivity umhos/cm
    CHLOR Chloride mg/L
    AA_CD Total Cadmium (analyzed by Graphite Furnace Atomic Absorption) ug/L
    CR Total Chromium ug/L
    CU Total Copper ug/L
    NI Total Nickel ug/L
    AA_PB Total Lead (analyzed by Graphite Furnace Atomic Absorption) ug/L
    ZN Total Zinc ug/L
    CA Total Calcium mg/L
    MG Total Magnesium mg/L
    AA_AG Total Silver (analyzed by Graphite Furnace Atomic Absorption) ug/L
    AA_ AS Total Arsenic (analyzed by Graphite Furnace Atomic Absorption) ug/L
    AA_SE Total Selenium (analyzed by Graphite Furnace Atomic Absorption) ug/L
    DS Dissolved Solids mg/L
    LFC Log10 Fecal Coliform Bacteria (calculated value) MPN/100 mL
    HARD Hardness mg/L
    TURB Turbidity NTU
    SCHII Sechii Disk meters
    BOD5/20 Biochemical Oxygen Demand mg/L
    IXLITE 1% Light Level (measured with a Photometer) Meters
    TNOC Total Nonpurgeable Organic Carbon mg/L
    TNIC Total Nonpurgeable Inorganic Carbon mg/L
    TNDOC Total Nonpurgeable Dissolved Organic Carbon mg/L
    TALK Total Alkalinity mg/L

    * For 1975-1997 data, samples that were not collected are represented with a negative nine value (e.g. –99.99, -9.99, -999) or 99.9 for water temperature. This data has the Laboratory, Method Detection Limits (MDL) applied. Raw data values below the MDL appear as the MDL value.
    All data should be considered provisional.

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    Abbreviations Legend for MMSD Water Quality Data, 1998-2001*

    Variable Abbr. Measurement name
    Temperature Temperature Degrees Celsius
    pH Std. Units
    DO Dissolved Oxygen mg/L
    TKN Total Kjeldahl Nitrogen mg/L
    Tot_phos Total Phosphorus mg/L
    Tot_sol_phos Total Soluble Phosphorus mg/L
    Silica Soluble Silica mg/L
    Chlorophyll Chlorophyll “a” mg/m3
    Susp_solids Suspended Solids mg/L
    Vol_susp Volatile Suspended Solids mg/L
    Tot_solids Total Solids mg/L
    F_coliform_MPN Fecal Coliform Bacteria MPN/100 mL
    E. coli #/100 mL
    Conductivity Specific Conductivity umhos/cm
    Chloride Chloride mg/L
    Cadmium Total Cadmium (analyzed by Graphite Furnace Atomic Absorption) ug/L
    Chromium Total Chromium ug/L
    Copper Total Copper ug/L
    Nickel Total Nickel ug/L
    Lead Total Lead (analyzed by Graphite Furnace Atomic Absorption) ug/L
    Zinc Total Zinc ug/L
    Calcium Total Calcium mg/L
    Magnesium Total Magnesium mg/L
    Silver Total Silver (analyzed by Graphite Furnace Atomic Absorption) ug/L
    Arsenic Total Arsenic (analyzed by Graphite Furnace Atomic Absorption) ug/L
    Selenium Total Selenium (analyzed by Graphite Furnace Atomic Absorption) ug/L
    Mercury ug/L
    F_col_log Log10 Fecal Coliform Bacteria (calculated value) MPN/100 mL
    Hardness Hardness mg/L
    Turbid Turbidity NTU
    Secc_disk Sechii Disk meters
    BOD5/20 Biochemical Oxygen Demand mg/L
    1%_depth 1% Light Level (measured with a Photometer) Meters
    Tot_carbon Total Nonpurgeable Organic Carbon mg/L
    Tot_in_carbon Total Nonpurgeable Inorganic Carbon mg/L
    Tot_dis_orgc Total Nonpurgeable Dissolved Organic Carbon mg/L
    Alkalinity Total Alkalinity mg/L

    * Blank fields for 1998 and 1999 databases represent samples that were not collected. Method Detection Limits (MDL) have been applied. Raw data values below the MDL appear as the MDL value.

    * Blank fields for the 2000-2001 database represent samples that were not collected. Method Detection Limits (MDL) have been applied. Raw data values below the MDL appear as a zero value.

    All data should be considered provisional.

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    1998 MMSD Central Laboratory Method Detection Limit (MDL) Summary

    Analyte (units) Source - Reference Method MDL
    Alkalinity (mg/L as CaCO3) 2-310.2 3.4 mg/L
    Arsenic (ug/L) 3-7740 1.9 ug/L
    Ammonia (mg/L as N) 2-350.1 0.06 mg/L
    Biochemical Oxygen Demand (BOD), 5 day (mg/L) 1-5210B 0.2 mg/L
    Biochemical Oxygen Demand (BOD), 20 day (mg/L) 1-5210B 0.2 mg/L
    Cadmium (ug/L) 3-7761 0.1 ug/L
    Calcium (mg/L) 3-6010 0.088 mg/L
    Carbon (mg/L as C), Dissolved Organic Nonpurgeable 2-415.1 0.2 mg/L
    Carbon (mg/L as C), Total Inorganic Nonpurgeable 2-415.1 0.2 mg/L
    Carbon (mg/L as C), Total Organic Nonpurgeable 2-415.1 0.2 mg/L
    Chloride (mg/L) 2-325.2 0.6 mg/L
    Chlorophyll a (mg/m3) 1-10200H 0.11 Fluorometric units
    Chromium (ug/L) 3-6010 9.4 ug/L
    Conductance, Specific (umho/cm @ 25° C) 1-2510B 0.1 umho/cm
    Copper (ug/L) 3-6010 10 ug/L
    Fecal Coliform (#/100mL) 1-9221E 3/100 mL
    Hardness (mg/L as CaCO3) 3-6010 NA
    Lead (ug/L) 3-7761 1.9 ug/L
    Magnesium (mg/L) 3-6010 0.779 mg/L
    Mercury (ug/L)(Total) 3-245.1 0.22 ug/L
    Nickel (ug/L) 3-6010 14.3 ug/L
    Nitrate (mg/L as N) 2-353.2 0.05 mg/L
    Nitrite (mg/L as N) 2-353.2 0.006 mg/L
    Total Kjeldahl Nitrogen (mg/L as N) 2-351.2 0.13 mg/L
    pH (Std. Units @ 25° C) 1-4500 H+ 0.1 Std. Units
    Phosphorus (mg/L as P), Soluble 2-365.1 0.003 mg/L
    Phosphorus (mg/L as P), Total 2-365.1 0.003 mg/L
    PAH 3-8310 See PAH Report
    Polychlorinated Biphenyl’s (ug/L) 5-608.1 See PCB Report
    Quanta (x1017/sec/cm2) 4 (400 nm)
    Silver (ug/L) 3-7761 0.3 ug/L
    Silica (mg/L as SiO2 ) 2-370.1 0.02 mg/L as SiO2
    Selenium (ug/L) 3-7740 2.6 ug/L
    Solids (mg/L), Suspended 1-2540D 0.47 mg/L
    Solids (mg/L), Volatile 1-2540E 1 mg/L
    Solids (mg/L), Total 1-2540B 1 mg/L
    Solids (mg/L), Dissolved 1-2540C 1 mg/L
    Turbidity (NTU) 1-2130B  
    Zinc (ug/L) 3-6010 1.1 ug/L

    3/29/99

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    1998 METHOD REFERENCES

    1. “Standard Methods for the Examination of Water and Wastewater,” 20th ed., 1998. American Public Health Association (APHA), 1015 15th Street, NW, Washington, DC 20005.

    2. “Methods of Chemical Analysis of Water and Wastes,” USEPA, EMSL, Cincinnati, OH 45268, March, 1983 (EPA-600/4-79-020).

    3. “Test Methods for Evaluating Solid Waste,” 3rd Edition. SW846. 1995. USEPA, SWER, Washington, DC 20460.

    4. Biospherical Instruments Inc. Operation and Service Manual, QSP-170 Profiling Quantum Scalar Irradiance System. Biospherical Instruments Inc. 1010 Second Avenue, #1405, San Diego, CA 92101.

    5. “Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater,” USEPA, EMSL, Cincinnati, OH 45268, July, 1982 (EPA-600/4-82-057).

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    1999 MMSD Central Laboratory Method Detection Limit (MDL) Summary

    Analyte (units) Source- Reference Method MDL
    Alkalinity (mg/L as CaCO3) 2-310.2 3.4 mg/L
    Arsenic (ug/L) 3-7740 1.9 ug/L
    Ammonia (mg/L as N) 2-350.1 0.06 mg/L
    Biochemical Oxygen Demand (BOD), 5 day (mg/L) 1-5210B 0.2 mg/L
    Biochemical Oxygen Demand (BOD), 20 day (mg/L) 1-5210B 0.2 mg/L
    Cadmium (ug/L) 3-7131A 0.1 ug/L
    Calcium (ug/L) 3-6010A 88 ug/L
    Carbon (mg/L as C), Dissolved Organic Nonpurgeable 1-5310B 0.2 mg/L
    Carbon (mg/L as C), Total Inorganic Nonpurgeable 1-5310B 0.2 mg/L
    Carbon (mg/L as C), Total Organic Nonpurgeable 1-5310B 0.2 mg/L
    Chloride (mg/L) 2-325.2 0.6 mg/L
    Chlorophyll a (mg/m3) 1-10200H.3 0.11 Fluorometric units
    Chromium (ug/L) 3-6010A 9.4 ug/L
    Conductance, Specific (umho/cm @ 25° C) 1-2510B 0.1 umho/cm
    Copper (ug/L) 3-6010A 10 ug/L
    Fecal Coliform (#/100mL) 1-9221E 2/100 mL
    Hardness (mg/L as CaCO3) 3-6010A NA
    Lead (ug/L) 3-7421 1.9 ug/L
    Magnesium (ug/L) 3-6010A 779 ug/L
    Mercury (ug/L)(Total) 3-245.2 0.045 ug/L
    Nickel (ug/L) 3-6010A 14.3 ug/L
    Nitrate (mg/L as N) 2-353.2 0.02 mg/L
    Nitrite (mg/L as N) 2-353.2 0.006 mg/L
    Total Kjeldahl Nitrogen (mg/L as N) 2-351.2 0.13 mg/L
    pH (Std. Units @ 25° C) 1-4500 H+ 0.1 Std. Units
    Phosphorus (mg/L as P), Soluble 2-365.1 0.02 mg/L
    Phosphorus (mg/L as P), Total 2-365.1 0.02 mg/L
    PAH 3-8310 See PAH Report
    Polychlorinated Biphenyl’s (ug/L) 5-608.1 See PCB Report
    Quanta (x1017/sec/cm2) 4 (400 nm)
    Silver (ug/L) 3-7761 0.3 ug/L
    Silica (mg/L as SiO2 ) 2-370.1 0.02 mg/L as SiO2
    Selenium (ug/L) 3-7740 2.6 ug/L
    Solids (mg/L), Suspended 1-2540D 0.47 mg/L
    Solids (mg/L), Volatile 1-2540E 0.3 mg/L
    Solids (mg/L), Total 1-2540B 7 mg/L
    Solids (mg/L), Dissolved 1-2540C 7 mg/L
    Turbidity (NTU) 1-2130B  
    Zinc (ug/L) 3-6010 4.3 ug/L

    1999 METHOD REFERENCES

    1. “Standard Methods for the Examination of Water and Wastewater,” 20th ed., 1998. American Public Health Association (APHA), 1015 15th Street, NW, Washington, DC 20005.

    2. “Methods of Chemical Analysis of Water and Wastes,” USEPA, EMSL, Cincinnati, OH 45268, March, 1983 (EPA-600/4-79-020).

    3. “Test Methods for Evaluating Solid Waste,” 3rd

    Edition. SW846. 1995. USEPA, SWER, Washington, DC 20460.

    4. Biospherical Instruments Inc. Operation and Service Manual, QSP-170 Profiling Quantum Scalar Irradiance System. Biospherical Instruments Inc. 1010 Second Avenue, #1405, San Diego, CA 92101.

    5. “Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater,” USEPA, EMSL, Cincinnati, OH 45268, July, 1982 (EPA-600/4-82-057).

    3/24/00

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    2000 MMSD Central Laboratory Method Detection Limit (MDL) Summary

    Analyte (units) Source *- Reference Method MDL **
    Alkalinity (mg/L as CaCO3) 2-310.2 3.4 mg/L
    Arsenic (ug/L) 3-7740 1.9 ug/L
    Ammonia (mg/L as N) 2-350.1 0.06 mg/L
    Biochemical Oxygen Demand (BOD), 5 day (mg/L) 1-5210B 0.2 mg/L
    Biochemical Oxygen Demand (BOD), 20 day (mg/L) 1-5210B 0.2 mg/L
    Cadmium (ug/L) 3-7761 0.1 ug/L
    Calcium (ug/L) 3-6010A 0.088 mg/L
    Carbon (mg/L as C), Dissolved Organic Nonpurgeable 2-415.1 0.2 mg/L
    Carbon (mg/L as C), Total Inorganic Nonpurgeable 2-415.1 0.2 mg/L
    Carbon (mg/L as C), Total Organic Nonpurgeable 2-415.1 0.2 mg/L
    Chloride (mg/L) 2-325.2 0.6 mg/L
    Chlorophyll a (mg/m3) 1-10200H.3 0.11 Fluorometric units
    Chromium (ug/L) 3-6010A 9.4 ug/L
    Conductance, Specific (umho/cm @ 25° C) 1-2510B 0.1 ?mho/cm
    Copper (ug/L) 3-6010A 10 ug/L
    Fecal Coliform (MPN/100 mL) 1-9221E 2/100 mL
    E. coli (#/100 mL) 1-9223B 1/100 mL
    Hardness (mg/L as CaCO3) 3-6010A NA
    Lead (ug/L) 3-7421 1.9 ug/L
    Magnesium (mg/L) 3-6010A 0.779 mg/L
    Mercury (ug/L)(Total) 3-245.2 0.045 ug/L
    Nickel (ug/L) 3-6010A 14.3 ug/L
    Nitrate (mg/L as N) 2-353.2 0.02 mg/L
    Nitrite (mg/L as N) 2-353.2 0.006 mg/L
    Total Kjeldahl Nitrogen (mg/L as N) 2-351.2 0.13 mg/L
    pH (Std. Units @ 25° C) 1-4500 H+ 0.1 Std. Units
    Phosphorus (mg/L as P), Soluble 2-365.1 0.02 mg/L
    Phosphorus (mg/L as P), Total 2-365.1 0.02 mg/L
    PAH 3-8310 See PAH Lab Report
    Polychlorinated Biphenyl’s (ug/L) 4-608.1 See PCB Lab Report
    Silver (ug/L) 3-7761 0.3 ug/L
    Silica (mg/L as SiO2 ) 2-370.1 0.02 mg/L as SiO2
    Selenium (ug/L) 3-7740 2.6 ug/L
    Solids (mg/L), Suspended 1-2540D 0.47 mg/L
    Solids (mg/L), Volatile 1-2540E 0.3 mg/L
    Solids (mg/L), Total 1-2540B 7 mg/L
    Solids (mg/L), Dissolved 1-2540C 7 mg/L
    Turbidity (NTU) 2-180.1 0.01 NTU
    Zinc (ug/L) 3-6010A 4.3 ug/L

    * See Method References below.
    ** The MDL value listed above is based on a 1:1 dilution. For differences in analyte dilution values consult laboratory raw LIMS (Laboratory Information Management System) Results.

    REFERENCES

    1. “Standard Methods for the Examination of Water and Wastewater,” 20th ed., 1998. American Public Health Association (APHA), 1015 15th Street, NW, Washington, DC 20005.
    2. “Methods of Chemical Analysis of Water and Wastes,” USEPA, EMSL, Cincinnati, OH 45268, March, 1983 (EPA-600/4-79-020).
    3. “Test Methods for Evaluating Solid Waste,” 3rd Edition. SW846. 1995. USEPA, SWER, Washington, DC 20460.
    4. “Methods for Organic Chemical Analysis of Municipal and Industrial Wastewater,” USEPA, EMSL, Cincinnati, OH 45268, July, 1982 (EPA-600/4-82-057).

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