Tweed Shire Council

Site

Tweed Laboratory Centre

Accreditation No.

12754

Site No.

12747

Date of Accreditation

12 Dec 1997

Address

46 Enterprise Avenue
Tweed Heads South, NSW 2486
Australia

tweed.nsw.gov.au/TweedLab

Contact

Dr Paul Wright P: +61 (07) 55693101

Availability

Services available to external clients

Scope of Accreditation

Tweed Laboratory Centre

ISO/IEC 17025 (2017)

Agribusiness

Service Product Determinant Technique Procedure
Analysis of physical and nutritional characteristics Soils pH - 1:5 Water extract Electrometric

in-house method M13 

Conductivity Direct reading instrument

in-house method M15


ISO/IEC 17025 (2017)

Environment

Service Product Determinant Technique Procedure
Analysis for elements Biosolids; Soils Aluminium; Arsenic; Cadmium; Chromium; Cobalt; Copper; Iron; Lead; Manganese; Mercury; Nickel; Zinc ICP-MS

in-house method M17

Aluminium; Arsenic; Cadmium; Chromium; Cobalt; Copper; Iron; Lead; Manganese; Nickel; Zinc ICP-AES

in-house method M8

Ground waters; Industrial waters - Treated; Irrigation and stock waters; Sewage; Steam-raising waters; Trade wastes Aluminium; Antimony; Arsenic; Barium; Beryllium; Bismuth; Boron; Cadmium; Calcium; Chromium; Cobalt; Copper; Iron; Lead; Lithium; Magnesium; Manganese; Molybdenum; Nickel; Potassium; Selenium; Silicon; Silver; Sodium; Strontium; Sulfur; Thallium; Tin; Titanium; Tungsten; Vanadium; Zinc ICP-AES

in-house method M8

Ground waters; Irrigation and stock waters; Sewage Aluminium; Antimony; Arsenic; Barium; Beryllium; Bismuth; Boron; Cadmium; Calcium; Chromium; Cobalt; Copper; Iron; Lead; Lithium; Magnesium; Manganese; Mercury; Molybdenum; Nickel; Potassium; Selenium; Silicon; Silver; Sodium; Strontium; Thallium; Tin; Titanium; Vanadium; Zinc ICP-MS

in-house method M16

Soils Aluminium; Arsenic; Cadmium; Chromium; Cobalt; Copper; Iron; Lead; Manganese; Mercury; Nickel; Zinc ICP-MS

in-house method M17

Analysis for hydrocarbons Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Soils; Steam-raising waters Acenaphthene; Acenaphthylene (acenaphthalene); Anthracene; Benz(a)anthracene; Benzo(a)pyrene; Benzo(b)fluoranthene; Benzo(g,h,i)perylene; Benzo(k)fluoranthene; Chrysene; Dibenz(a,h)anthracene; Fluoranthene (benzo[j,k]fluorene); Fluorene; Indeno(1,2,3-cd)pyrene; Naphthalene; Phenanthrene; Pyrene GC-MS

in-house methods ORG 1 and ORG 2

Benzene; Ethylbenzene; Toluene; m-Xylene; o-Xylene; p-Xylene GC-MS; GC-MS - Purge and trap

in-house method ORG 13

Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Steam-raising waters Bromodichloromethane (dichlorobromomethane); Bromoform (tribromomethane); Dibromochloromethane (chlorodibromomethane); Trichloromethane (chloroform) GC-MS - Purge and trap

in-house methods ORG 12 and ORG 6

Analysis for industrial chemicals Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Sewage; Steam-raising waters; Trade wastes 2-Methylisoborneol (MIB); Geosmin GC-MS

in-house method ORG 11

Analysis for nutrients Biosolids; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Sewage; Steam-raising waters; Trade wastes Nitrogen - Total Flow injection analyser (FIA)

in-house method C55

Phosphorus - Ortho Flow injection analyser (FIA)

in-house method C16

Nitrogen - Total Kjeldahl (TKN) Calculation

in-house methods C4 and C55

Nitrogen - Nitrite Flow injection analyser (FIA)

in-house method C4

Nitrogen - Nitrate Flow injection analyser (FIA)

in-house method C4

Phosphorus - Total Flow injection analyser (FIA)

in-house method C17

Nitrogen - Ammonia Flow injection analyser (FIA)

in-house method C3

Analysis for organochlorine pesticides Ground waters; Saline waters; Soils Aldrin; Dichlorodiphenyldichloroethane (DDD); Dichlorodiphenyldichloroethylene (DDE); Dichlorodiphenyltrichloroethane (DDT); Dieldrin; Endosulfan I (α-endosulfan); Endosulfan II (β-endosulfan); Endosulfan sulfate; Endrin; Endrin aldehyde; Endrin ketone; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Methoxychlor; trans-Chlordane (γ-chlordane); α-Hexachlorocyclohexane (α-HCH); β-Hexachlorocyclohexane (β-HCH); γ-Hexachlorobenzene (γ-benzene hexachloride, γ-BHC, γ-HCB, lindane); δ-Hexachlorocyclohexane (δ-HCH) GC-MS

in-house methods ORG 1 and ORG 2

Analysis for organophosphate pesticides Ground waters; Saline waters; Soils 2-Methoxycarbonyl-1-methylvinyl dimethyl phosphate (mevinphos); Chlorpyrifos ethyl (chlorpyrifos); Chlorpyrifos methyl; Diazinon; Dichlorvos; Diethyl-2-([dimethoxyphosphorothioyl]sulfanyl)butanedioate (maldison, malathion, carbofos, mercaptothion); Ethion; Fenchlorphos (ronnel); Fenitrothion; Fenthion; Methylparathion (parathionmethyl); O,O-Diethyl O-(4-nitrophenyl) phosphorothioate (parathion, ethylparathion, diethylparathion, parathion-ethyl, folidol) GC-MS

in-house methods ORG 1 and ORG 2

Analysis for petroleum hydrocarbons Fresh waters; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Soils; Surface waters Total recoverable hydrocarbons (TRH) - Variable fractions: C10-C40 GC-FID In-house method Org14
BTEX (benzene, toluene, ethylbenzene and xylene); Volatile total recoverable hydrocarbons (TRH): C6-C10 GC-MS - Headspace In-house method Org13
Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Soils; Steam-raising waters Total petroleum hydrocarbons (TPH): C6-C9 GC-MS; GC-MS - Purge and trap

in-house method ORG 13

Analysis for phenols Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Soils; Steam-raising waters 2,4,5-Trichlorophenol; 2,4,6-Trichlorophenol; 2,4-Dichlorophenol; 2,4-Dimethylphenol; 2-Chlorophenol (o-chlorophenol); 2-Methylphenol (2-cresol, o-cresol); 2-Nitrophenol; 4-Chloro-3-methylphenol; 4-Methylphenol (4-cresol, p-cresol); Pentachlorophenol; Phenol GC-MS

in-house methods ORG 1 and ORG 2

Analysis for physical and chemical characteristics Estuarine waters; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Sewage; Steam-raising waters; Trade wastes Ultraviolet transmittance UV-vis spectrophotometry

in-house method P11

Colour - Apparent; Colour - True UV-vis spectrophotometry

in-house method P10

Solids - Total dissolved (TDS) Gravimetric

in-house method P6

Conductivity Direct reading instrument

 in-house method P2

Chlorophyll a UV-vis spectrophotometry

in-house method C9 

Turbidity Nephelometry

 in-house method P8

Biochemical oxygen demand (BOD) Dissolved oxygen (DO) analyser

in-house method C1 

pH Ion selective electrode (ISE)

 in-house method P1

Oil and grease Gravimetric

in-house method C8

Dissolved oxygen (DO) Membrane electrode

 in-house method P12

Fluoride Ion selective electrode (ISE)

 in-house method C36

Chlorine - Residual; Chlorine - Total UV-vis spectrophotometry

in-house method C12 

Solids - Total suspended Gravimetric

in-house method P4

Hardness - Calcium; Hardness - Carbonate; Hardness - Magnesium; Hardness - Non-carbonate; Hardness - Total Calculation

in-house method M8A

Estuarine waters; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Steam-raising waters Chloride Titration

in-house method C20

Estuarine waters; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Saline waters; Steam-raising waters; Trade wastes Solids - Total dissolved (TDS) Calculation

in-house method P17

Estuarine waters; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Sewage; Steam-raising waters Solids - Volatile Gravimetric

in-house method P7

Estuarine waters; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Sewage; Steam-raising waters; Trade wastes Alkalinity Titration

in-house method C10

Chemical oxygen demand (COD) UV-vis spectrophotometry

in-house method C18

Alkalinity - Bicarbonate; Alkalinity - Carbonate; Alkalinity - Hydroxide Calculation

 in-house method C10

Estuarine waters; Ground waters; Industrial waters - Treated; Irrigation and stock waters; Steam-raising waters Carbon - Total organic (TOC) Nondispersive infrared (NDIR)

in-house method ORG 10

Saline waters; Sewage; Trade wastes Non-filterable residue (NFR) Calculation As required by the NSW EPA Pollution Control Act 1970 Licence and in-house P15
Soils Acid neutralising capacity - Back titration (ANCBT) Titration

in-house method ASS 13

Acidity - Titratable actual (TAA) Titration

in-house method ASS 2

Net acid soluble sulfur (SNAS, SNAS) ICP-MS

in-house method ASS 11

Sulfur potassium chloride extractable (SKCl) ICP-MS

in-house method ASS 4

Moisture Gravimetric

in-house method ORG 3

Hydrochloric acid extractable sulfur (SHCl, SHCl) ICP-MS

in-house method ASS 8

Sulfur - Chromium reducible Titration

in-house method ASS 7

pH - Potassium chloride (pHKCl) Electrometric

in-house method ASS 2

Sample collection Ground waters; Industrial and steam-raising waters; Irrigation and stock waters; Saline waters; Sewage; Trade wastes Not applicable Composite; Grab

in-house method SP1

ISO/IEC 17025 (2017)

Food and Beverage

Service Product Determinant Technique Procedure
Analysis for elements Waters for potable and domestic purposes Aluminium; Antimony; Arsenic; Barium; Beryllium; Bismuth; Boron; Cadmium; Calcium; Chromium; Cobalt; Copper; Iron; Lead; Lithium; Magnesium; Manganese; Mercury; Molybdenum; Nickel; Potassium; Selenium; Silicon; Silver; Sodium; Strontium; Thallium; Tin; Titanium; Vanadium; Zinc ICP-MS

in-house method M16

Aluminium; Antimony; Arsenic; Barium; Beryllium; Bismuth; Boron; Cadmium; Calcium; Chromium; Cobalt; Copper; Iron; Lead; Lithium; Magnesium; Manganese; Molybdenum; Nickel; Potassium; Selenium; Silicon; Silver; Sodium; Strontium; Sulfur; Thallium; Tin; Titanium; Tungsten; Vanadium; Zinc ICP-AES

in-house method M8

Analysis for phenols Waters for potable and domestic purposes 2,4,5-Trichlorophenol; 2,4,6-Trichlorophenol; 2,4-Dichlorophenol; 2,4-Dimethylphenol; 2-Chlorophenol (o-chlorophenol); 2-Methylphenol (2-cresol, o-cresol); 2-Nitrophenol; 4-Chloro-3-methylphenol; 4-Methylphenol (4-cresol, p-cresol); Pentachlorophenol; Phenol GC-MS

in-house methods ORG 1 and ORG 2

Analysis for residues and contaminants - Hydrocarbons, phthalates, industrial chemicals Potable waters Bromochloromethane (chlorobromomethane); Bromodichloromethane (dichlorobromomethane); Bromoform (tribromomethane); Trichloromethane (chloroform) GC-MS - Headspace In-house method Org12
BTEX (benzene, toluene, ethylbenzene and xylene); Total recoverable hydrocarbons (TRH): C6-C10 GC-MS - Headspace In-house method Org13
Waters for potable and domestic purposes Benzene; Ethylbenzene; Toluene; m-Xylene; o-Xylene; p-Xylene GC-MS; GC-MS - Purge and trap

in-house method ORG 13

Bromodichloromethane (dichlorobromomethane); Bromoform (tribromomethane); Dibromochloromethane (chlorodibromomethane); Trichloromethane (chloroform) GC-MS - Purge and trap

in-house methods ORG 5 and ORG 6

2-Methylisoborneol (MIB); Geosmin GC-MS

in-house method ORG 11

Acenaphthene; Acenaphthylene (acenaphthalene); Anthracene; Benz(a)anthracene; Benzo(a)pyrene; Benzo(b)fluoranthene; Benzo(g,h,i)perylene; Benzo(k)fluoranthene; Chrysene; Dibenz(a,h)anthracene; Fluoranthene (benzo[j,k]fluorene); Fluorene; Indeno(1,2,3-cd)pyrene; Naphthalene; Phenanthrene; Pyrene GC-MS

in-house methods ORG 1 and ORG 2

Analysis of pesticide residues and contaminants Potable waters 2-Methoxycarbonyl-1-methylvinyl dimethyl phosphate (mevinphos); Chlorpyrifos ethyl (chlorpyrifos); Chlorpyrifos methyl; Diazinon; Dichlorvos; Diethyl-2-([dimethoxyphosphorothioyl]sulfanyl)butanedioate (maldison, malathion, carbofos, mercaptothion); Ethion; Fenchlorphos (ronnel); Fenitrothion; Fenthion; Methylparathion (parathionmethyl); O,O-Diethyl O-(4-nitrophenyl) phosphorothioate (parathion, ethylparathion, diethylparathion, parathion-ethyl, folidol) GC-MS

in-house methods ORG 1 and ORG 2

Aldrin; Dichlorodiphenyldichloroethane (DDD); Dichlorodiphenyldichloroethylene (DDE); Dichlorodiphenyltrichloroethane (DDT); Dieldrin; Endosulfan I (α-endosulfan); Endosulfan II (β-endosulfan); Endosulfan sulfate; Endrin; Endrin aldehyde; Endrin ketone; Heptachlor; Heptachlor epoxide; Hexachlorobenzene (HCB); Methoxychlor; trans-Chlordane (γ-chlordane); α-Hexachlorocyclohexane (α-HCH); β-Hexachlorocyclohexane (β-HCH); γ-Hexachlorobenzene (γ-benzene hexachloride, γ-BHC, γ-HCB, lindane); δ-Hexachlorocyclohexane (δ-HCH) GC-MS

in-house methods ORG 1 and ORG 2

Analysis of physical and nutritional characteristics Waters for potable and domestic purposes Chlorophyll a UV-vis spectrophotometry

in-house method C9 

Solids - Total dissolved (TDS) Gravimetric

 in-house method P6

Ultraviolet transmittance UV-vis spectrophotometry

in-house method P11

Alkalinity Titration

in-house method C10

Colour - Apparent; Colour - True UV-vis spectrophotometry

in-house method P10

Solids - Volatile Gravimetric

in-house method P7

Solids - Total dissolved (TDS) Calculation

in-house method P17

Nitrogen - Total Kjeldahl (TKN) Calculation

in-house methods C4 and C55

Phosphorus - Total Flow injection analyser (FIA)

in-house method C17

pH Ion selective electrode (ISE)

in-house method P1

Dissolved oxygen (DO) Membrane electrode

 in-house method P12

Nitrogen - Total Flow injection analyser (FIA)

 in-house method C55

Oil and grease Gravimetric

in-house method C8

Chlorine - Residual; Chlorine - Total UV-vis spectrophotometry

in-house method C12 

Biochemical oxygen demand (BOD) Dissolved oxygen (DO) analyser

in-house method C1 

Chloride Titration

in-house method C20

Nitrogen - Nitrite Flow injection analyser (FIA)

 in-house method C4

Nitrogen - Nitrate Flow injection analyser (FIA)

 in-house method C4

Carbon - Total organic (TOC) Nondispersive infrared (NDIR)

in-house method ORG 10

Turbidity Nephelometry

 in-house method P8

Nitrogen - Ammonia Flow injection analyser (FIA)

in-house method C3

Conductivity Direct reading instrument

 in-house method P2

Solids - Total suspended Gravimetric

 in-house method P4

Alkalinity - Bicarbonate; Alkalinity - Carbonate; Alkalinity - Hydroxide Calculation

in-house method C10

Non-filterable residue (NFR) Calculation As required by the NSW EPA Pollution Control Act 1970 Licence and in-house P15
Phosphorus - Ortho Flow injection analyser (FIA)

in-house method C16

Hardness - Calcium; Hardness - Carbonate; Hardness - Magnesium; Hardness - Non-carbonate; Hardness - Total Calculation

 in-house method M8A

Chemical oxygen demand (COD) UV-vis spectrophotometry

in-house method C18

Fluoride Ion selective electrode (ISE)

in-house method C36

Sample collection Waters for potable and domestic purposes Not applicable Composite; Grab

in-house method SP1

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