Measurement Uncertainty
Adelaide Laboratory
Organic Chemistry
| Component | MU% * |
| Aldrin | 22.5 |
| Chlordane-a | 24.6 |
| Chlordane-g | 21.4 |
| Chlorpyrifos | 21.6 |
| Chlorthal-Dimethyl | 18.7 |
| DDD | 21.2 |
| DDE | 24 |
| DDT | 23 |
| Dieldrin | 21.5 |
| Endosulfan 1 | 19.4 |
| Endosulfan 2 | 19.8 |
| Endosulfan Sulphate | 19.1 |
| Endrin | 19.3 |
| Heptachlor | 21.2 |
| Heptachlor Epoxide | 19.9 |
| Lindane | 17.3 |
| Methoxychlor | 17.9 |
| Trifluralin | 15 |
| Glyphosate | 19.34 |
| AMPA | 15.49 |
| 2,4-D | 21 |
| 2,4,5-T | 29 |
| Clopyralid | 20 |
| Dicamba | 21 |
| MCPA | 24 |
| Picloram | 19 |
| Triclopyr | 28 |
| Silvex | 20 |
| Acifluorfen | 27 |
| Bentazon | 25 |
| 2,4-DB | 22 |
| 2,4-DP | 21 |
| Chlorosulfuron | 26 |
| Metsulfuron | 21 |
| Sulfometuron | 35 |
| Haloxyfop | 28 |
| Haloxyfop methyl | 29 |
| n-Octane (C8) TRH | 35 |
| n-Octane (C8) TPH | 34 |
| n-Dodecane (C12) TRH | 34 |
| n-Dodecane (C12) TPH | 32 |
| n-Docosane (C22) TRH | 38 |
| n-Docosane (C22) TPH | 36 |
| n-Dotriacontane (C32) TRH | 34 |
| n-Dotriacontane (C32) TPH | 32 |
| Cyanogen chloride | 37 |
| Cylindrospermopsin | 15 |
| Anatoxin-a | 18 |
| Acetic Acid | 24 |
| Propionic Acid | 22 |
| Isobutyric Acid | 12 |
| Butyric Acid | 12 |
| Isovaleric Acid | 12 |
| Valeric Acid | 22 |
| Caproic Acid | 24 |
| Heptanoic Acid | 46 |
| Naphthalene 0.07-0.1µg/L | 22 |
| 2-methylnaphthalene 0.05-0.1µg/L | 29 |
| 1-methylnaphthalene 0.05-0.1µg/L | 21 |
| Acenaphthylene 0.07-0.1µg/L | 22 |
| Acenaphthene 0.02-0.1µg/L | 19 |
| Fluorene 0.02-0.1µg/L | 19 |
| Phenanthrene 0.02-0.1µg/L | 15 |
| Anthracene 0.02-0.1µg/L | 11 |
| Flouranthene 0.02-0.1µg/L | 14 |
| Pyrene 0.02-0.1µg/L | 15 |
| Benzo[a]Anthracene 0.02-0.1µg/L | 23 |
| Chrysene 0.02-0.1µg/L | 10 |
| Benzo[a]pyrene 0.01-0.1µg/L | 38 |
| Benzo[b]fluoranthene 0.02-0.1µg/L | 20 |
| Benzo[k]fluoranthene 0.02-0.1µg/L | 21 |
| Indeno[1,2,3]pyrene 0.02-0.1µg/L | 30 |
| Dibenz[a,h]anthracene 0.02-0.1µg/L | 38 |
| Benzo[g,h,i]perylene 0.02-0.1µg/L | 30 |
| Chloroacetic acid 1-130µg/L | 35 |
| Bromoacetic acid 1-130µg/L | 25 |
| Dichloroacetic Acid 1-130µg/L | 25 |
| Bromochloroacetic Acid 1-130µg/L | 27 |
| Trichloroacetic Acid 1-130µg/L | 28 |
| Dibromoacetic Acid 1-130µg/L | 40 |
| Bromodichloroacetic Acid 1-130µg/L | 25 |
| Dibromochloroacetic Acid 1-130µg/L | 30 |
| Tribromoacetic Acid 1-130µg/L | 45 |
| Vinyl Chloride | 22 |
| 1,1 – dichloroethene | 23 |
| Trans - 1,2 - dichloroethene | 15 |
| Cis – 1,2 –dichloroethene | 19 |
| Chloroform | 23 |
| 1,1,1-trichloroethane | 15 |
| carbon tetrachloride | 18 |
| 1,1-dichloropropene | 38 |
| Benzene | 18 |
| 1,2-dichloroethane | 17 |
| trichloroethene | 25 |
| 1,2-dichloropropane | 18 |
| dibromomethane | 20 |
| bromodichloromethane | 19 |
| cis-1,3-dichloropropene | 24 |
| Toluene | 18 |
| trans-1,3-dichloropropene | 20 |
| 1,1,2-trichloroethane | 18 |
| tetrachloroethene | 23 |
| 1,3-dichloropropane | 23 |
| dibromochloromethane | 19 |
| 1,2-dibromoethane | 21 |
| chlorobenzene | 20 |
| 1,1,1,2-tetrachloroethane | 16 |
| ethylbenzene | 19 |
| total m+p-xylenes | 18 |
| o-xylene | 18 |
| Styrene | 16 |
| Bromoform | 20 |
| isopropylbenzene | 18 |
| bromobenzene | 16 |
| 1,1,2,2-tetrachloroethane | 21 |
| 1,2,3-trichloropropane | 19 |
| n-propylbenzene | 20 |
| 2-chlorotoluene | 17 |
| 4-chlorotoluene | 20 |
| 1,3,5-trimethylbenzene | 17 |
| tert-butylbenzene | 17 |
| 1,2,4-trimethylbenzene | 15 |
| sec-butylbenzene | 19 |
| 1,3-dichlorobenzene | 14 |
| 4-isopropyltoluene | 17 |
| 1,4-dichlorobenzene | 16 |
| 1,2-dichlorobenzene | 15 |
| n-butylbenzene | 26 |
| 1,2-dibromo-3-chloropropane | 22 |
| 1,2,4-trichlorobenzene | 22 |
| hexachlorobutadiene | 24 |
| naphthalene | 22 |
| 1,2,3-trichlorobenzene | 17 |
| 4-chlorophenol | 17 |
| 2-bromophenol | 19 |
| 3-bromophenol | 13 |
| 2,6-dichlorophenol | 22 |
| 4-bromophenol | 17 |
| 2,4-dichlorophenol | 16 |
| 3,5-dichlorophenol | 30 |
| 2,4,6-trichlorophenol | 18 |
| 2,4,5-trichlorophenol | 16 |
| 2,6-dibromophenol | 18 |
| 2,4-dibrmomphenol | 18 |
| 2,4,6-tribromophenol | 21 |
| pentachlorophenol | 25 |
| phenol | 25 |
| 2,4-dimethylphenol | 27 |
| 4-chloro-3-methylphenol | 25 |
| 2-nitrophenol | 25 |
| 4-nitrophenol | 29 |
| o-cresol | 22 |
| m-cresol | 22 |
| p-cresol | 21 |
| 2,3,5,6-tetrachlorophenol | 17 |
| 2,3,4,6-tetrachlorophenol | 15 |
| 2,3,4,5-tetrachlorophenol | 22 |
| NDMA | 27 |
| Dichlorodifluoromethane | 33 |
| Chloromethane | 16 |
| Bromomethane | 15 |
| Chloroethane | 18 |
| Trichlorofluoromethane | 24 |
| Dichloromethane | 18 |
| 1,1-Dichloroethane | 13 |
| 2,2-dichloropropane | 23 |
| Bromochloromethane | 21 |
| 1,1-Dichloro-1-propene | 16 |
| 1,2-Dicloroethane | 17 |
| Trichloroethylene (TCE) | 17 |
| Tetrachloroethylene | 16 |
Inorganic Chemistry
| Component | MU% * |
| Alkalinity as Calcium Carbonate | 5.5 |
| Ammonia - Free - as N | 17.4 |
| Ammonia as N | 37.5 |
| Biochemical Oxygen Demand - Total | 30.8 |
| Bromide | 18.3 |
| Chemical Oxygen Demand - Total | 26.1 |
| Chloride | 15.4 |
| Chlorine | 12.4 |
| Colour - Apparent (456nm) Unfiltered | 6.1 |
| Colour - True (456nm) Filtered | 6.2 |
| Conductivity & Total Dissolved Solids | 6.4 |
| Cyanide - Total | 34 |
| Ferrous Iron - Soluble | 15.5 |
| Fluoride | 19.7 |
| Iodide | 14.1 |
| Methylene Blue Activated Substances | 23.0 |
| Nitrate + Nitrite as N | 18.4 |
| Nitrite as N | 15.6 |
| OrganoChlorine Pesticides | 25.0 |
| Organophosphorous and Triazine Pesticides | 26.2 |
| pH | 3.6 |
| Phosphorus - Filterable Reactive as P | 14.0 |
| Phosphorus - Total | 21.5 |
| Silica - Reactive | 13.5 |
| Silica - Soluble | 25.7 |
| TKN as N | 22.6 |
| Total Dissolved Solids by Evaporation | 12.8 |
| Total Organic Carbon | 17.6 |
| Trihalomethanes | 23.4 |
| Turbidity | 17.8 |
| Volatile Fatty Acids | 17.4 |
Measurement Uncertainty
Element | Sample matrix | M.U (%) |
Lithium | Fresh/ Waste Waters | 18 |
Seawater | 24 | |
Solids | 34 | |
Beryllium | Fresh/ Waste Waters | 13 |
Seawater | 14 | |
Solids | 30 | |
Boron | Fresh/ Waste Waters | 17 |
Seawater | 22 | |
Solids | 19 | |
Sodium | Fresh/ Waste Waters | 15 |
Seawater | 15 | |
Solids | 22 | |
Magnesium | Fresh/ Waste Waters | 15 |
Seawater | 18 | |
Solids | 23 | |
Aluminium | Fresh/ Waste Waters | 21 |
Seawater | 21 | |
Solids | 23 | |
Silicon | Fresh/ Waste Waters | 15 |
Seawater | 17 | |
Phosphorus | Fresh/ Waste Waters | 25 |
Seawater | 25 | |
Solids | 31 | |
Sulphur | Fresh/ Waste Waters | 17 |
Seawater | 22 | |
Solids | 21 | |
Potassium | Fresh/ Waste Waters | 12 |
Seawater | 15 | |
Solids | 20 | |
Calcium | Fresh/ Waste Waters | 21 |
Seawater | 21 | |
Solids | 26 | |
Titanium | Fresh/ Waste Waters | 15 |
Seawater | 15 | |
Vanadium | Fresh/ Waste Waters | 18 |
Seawater | 18 | |
Solids | 21 | |
Chromium | Fresh/ Waste Waters | 15 |
Seawater | 18 | |
Solids | 21 | |
Manganese | Fresh/ Waste Waters | 15 |
Seawater | 16 | |
Solids | 24 | |
Iron | Fresh/ Waste Waters | 21 |
Seawater | 24 | |
Solids | 27 | |
Cobalt | Fresh/ Waste Waters | 14 |
Seawater | 15 | |
Solids | 22 | |
Nickel | Fresh/ Waste Waters | 14 |
Seawater | 14 | |
Solids | 24 | |
Copper | Fresh/ Waste Waters | 14 |
Seawater | 14 | |
Solids | 21 | |
Zinc | Fresh/ Waste Waters | 15 |
Seawater | 15 | |
Solids | 16 | |
Arsenic | Fresh/ Waste Waters | 12 |
Seawater | 12 | |
Solids | 24 | |
Selenium | Fresh/ Waste Waters | 15 |
Seawater | 15 | |
Solids | 24 | |
Strontium | Fresh/ Waste Waters | 20 |
Seawater | 20 | |
Solids | 21 | |
Molybdenum | Fresh/ Waste Waters | 15 |
Seawater | 16 | |
Solids | 22 | |
Silver | Fresh/ Waste Waters | 18 |
Seawater | 20 | |
Solids | 27 | |
Cadmium | Fresh/ Waste Waters | 18 |
Seawater | 24 | |
Solids | 21 | |
Tin | Fresh/ Waste Waters | 14 |
Seawater | 14 | |
Solids | 29 | |
Antimony | Fresh/ Waste Waters | 15 |
Seawater | 15 | |
Solids | 17 | |
Barium | Fresh/ Waste Waters | 18 |
Seawater | 21 | |
Solids | 31 | |
Lanthanum | Fresh/ Waste Waters | 21 |
Seawater | 21 | |
Solids | 31 | |
Platinum | Fresh/ Waste Waters | 16 |
Seawater | 20 | |
Solids | 31 | |
Mercury | Fresh/ Waste Waters | 24 |
Seawater | 24 | |
Solids | 21 | |
Thallium | Fresh/ Waste Waters | 17 |
Seawater | 17 | |
Solids | 21 | |
Lead | Fresh/ Waste Waters | 19 |
Seawater | 19 | |
Solids | 18 | |
Bismuth | Fresh/ Waste Waters | 21 |
Seawater | 21 | |
Solids | 21 | |
Thorium | Fresh/ Waste Waters | 18 |
Seawater | 18 | |
Solids | 25 | |
Uranium | Fresh/ Waste Waters | 16 |
Seawater | 16 | |
Solids | 21 |
Field Services
| Component | MU% * |
| Chlorine | 23.1 |
| Conductivity | 8.9 |
| pH | 4.3 |
Biology
| Component | MU% * |
| Unicellular Phytoplankton | - 24.7 / + 32.7 |
| Small Colonial Phytoplankton | - 25.2 / + 33.8 |
| Filamentous Phytoplankton | - 31.8 / + 46.6 |
| Filamentous Greens/Diatoms | - 26.6 / + 36.2 |
| Straight Filamentous Cyanobacteria | - 34.6 / + 52.9 |
| Coiled Cyanobacteria | - 29.4 / + 41.7 |
| Large Colonial Pico-cyanobacteria | - 15.7 / +18.6 |
| Chlorophyll a (Wintermans & de Mots) | 11.0 |
| Chlorophyll b (Wintermans & de Mots) | 41.0 |
| Chlorophyll a (ISO10260) | 16.2 |
| Phaeophytin (ISO10260) | 53.1 |
Biomonitoring
| Component | MU% * |
| Macroinvertebrates - Taxa x Tally: | |
| Family | 1.25 |
| Genus | 1.38 |
| Species | 1.57 |
Microbiology
| Component | MU% * |
| Aeromonas spp | 20.10 |
| Amoeba | 32.39 |
| Bacteriophage | 23.57 |
| Campylobacter spp | 45.4 |
| Cryptosporidium | 26.05 |
| Giardia | 25.88 |
| E. coli - Defined Substrate Technology | 15.1 |
| E. coli - Membrane Filtration | 22.31 |
| Coliform - Defined Substrate Technology | 15.1 |
| Coliform - Membrane Filtration | 22.31 |
| Coliforms, Faecal Coliforms and E. coli | 34.25 |
| Faecal Coliforms and E. coli | 16.61 |
| FRNA (MS2) Phage | 15.50 |
| Colony Count | 18.23 |
| Enterococci | 13.28 |
| Enterococci and Faecal Streptococcus | 13.28 |
| Iron Bacteria Heterotrophic | 16.74 |
| Legionella spp | 28.98 |
| Pseudomonas aeruginosa | 20.63 |
| Pseudomonas spp | 20.63 |
| Sulphite Reducing Bacteria | 12.04 |
Melbourne Laboratory
Chemistry
| Component | MU% * |
| Alkalinity | 6 |
| Colour Filtered 456nm | 6 |
| Colour Unfiltered 456nm | 7 |
| Total Suspended Solids | 17 |
| Volatile Suspended Solids | 23 |
| Conductivity | 8 |
| pH | 6 |
| Turbidity | 17 |
| BOD | 33 |
| COD | 20 |
Life Sciences
| Component | MU% * |
| Total Coliforms & E. coli | 14.2 |
| Total Coliforms & E. coli - Colilert | 15.4 |
| Heterotrophic Colony Counts | 13.8 |
| Cryptosporidium | 25.1 |
| Giardia | 23.2 |
| Chlorophyll | 10% |
| Enterococcus | 13.7 |
*Maximum MU value has been listed. Actual value may be lower depending on test method used. For specific MU value please contact your customer service representative.