# Part 5: Fact sheets - [Microorganisms](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms.md) - [Microbial indicators](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators.md) - [Bacteroides](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/bacteroides.md): (endorsed 2011) - [Coliphages](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/coliphages.md): (endorsed 2011) - [Clostridium perfringens](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/clostridium-perfringens.md): (endorsed 2011) - [Escherichia coli](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/escherichia-coli.md): (endorsed 2011) - [Heterotrophic plate counts](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/heterotrophic-plate-counts.md): (endorsed 2011) - [Intestinal enterococci](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/intestinal-enterococci.md): (endorsed 2011) - [Thermotolerant coliforms](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/thermotolerant-coliforms.md): (endorsed 2011) - [Total coliforms](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/microbial-indicators/total-coliforms.md): (endorsed 2011) - [Bacteria](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria.md) - [Aeromonas](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/aeromonas.md): (endorsed 1996) - [Burkholderia pseudomallei](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/burkholderia-pseudomallei.md): (endorsed 2001) - [Campylobacter](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/campylobacter.md): (endorsed 1996) - [Escherichia coli (E. coli) (pathogenic)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/escherichia-coli-e.-coli-pathogenic.md): (endorsed 2011) - [Helicobacter pylori](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/helicobacter-pylori.md): (endorsed 2011) - [Klebsiella](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/klebsiella.md): (endorsed 1996) - [Legionella](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/legionella.md): (endorsed 1996) - [Mycobacterium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/mycobacterium.md): (endorsed 2011) - [Pseudomonas aeruginosa](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/pseudomonas-aeruginosa.md): (endorsed 1996) - [Salmonella](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/salmonella.md): (endorsed 1996) - [Shigella](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/shigella.md): (endorsed 1996) - [Vibrio](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/vibrio.md): (endorsed 1996) - [Yersinia](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/bacteria/yersinia.md): (endorsed 1996) - [Protozoa](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/protozoa.md) - [Acanthamoeba](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/protozoa/acanthamoeba.md): (endorsed 1996) - [Blastocystis](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/protozoa/blastocystis.md): (endorsed 2011) - [Cryptosporidium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/protozoa/cryptosporidium.md): (endorsed 2011) - [Cyclospora](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/protozoa/cyclospora.md): (endorsed 2011) - [Giardia](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/protozoa/giardia.md): (endorsed 2011) - [Naegleria fowleri](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/protozoa/naegleria-fowleri.md): (endorsed 1996) - [Cyanobacteria and their toxins](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/cyanobacteria-and-their-toxins.md) - [Cyanobacteria and their toxins](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/cyanobacteria-and-their-toxins/cyanobacteria-and-their-toxins.md): (endorsed 2011) - [Cylindrospermopsin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/cyanobacteria-and-their-toxins/cylindrospermopsin.md): (endorsed 2011) - [Microcystins](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/cyanobacteria-and-their-toxins/microcystins.md): (endorsed 2011) - [Nodularin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/cyanobacteria-and-their-toxins/nodularin.md): (endorsed 2011) - [Saxitoxins](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/cyanobacteria-and-their-toxins/saxitoxins.md): (endorsed 2011) - [Viruses](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/viruses.md) - [Adenovirus](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/viruses/adenovirus.md): (endorsed 2011) - [Enterovirus](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/viruses/enterovirus.md): (endorsed 2011) - [Hepatitis viruses](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/viruses/hepatitis-viruses.md): (endorsed 2011) - [Norovirus](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/viruses/norovirus.md): (endorsed 2011) - [Rotavirus](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/microorganisms/viruses/rotavirus.md): (endorsed 2011) - [Physical and chemical characteristics](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics.md) - [Acephate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/acephate.md): (endorsed 2011) - [Acrylamide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/acrylamide.md): (endorsed 1996) - [Aldicarb](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/aldicarb.md): (endorsed 2011) - [Aldrin and Dieldrin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/aldrin-and-dieldrin.md): (endorsed 2011) - [Aluminium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/aluminium.md): (endorsed 2001) - [Ametryn](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ametryn.md): (endorsed 2011) - [Amitraz](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/amitraz.md): (endorsed 2011) - [Amitrole](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/amitrole.md): (endorsed 2011) - [Ammonia](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ammonia.md): (endorsed 1996) - [Antimony](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/antimony.md): (endorsed 1996) - [Arsenic](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/arsenic.md) - [Asbestos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/asbestos.md): (endorsed 1996) - [Asulam](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/asulam.md): (endorsed 2011) - [Atrazine](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/atrazine.md): (endorsed 2011) - [Azinphos-methyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/azinphos-methyl.md): (endorsed 2011) - [Barium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/barium.md): (endorsed 2011) - [Benomyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/benomyl.md): (endorsed 2011) - [Bentazone](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/bentazone.md): (endorsed 2011) - [Benzene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/benzene-casrn-71-43-2.md): CASRN 71-43-2 (endorsed 2013) - [Beryllium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/beryllium.md): (endorsed 2011) - [Bioresmethrin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/bioresmethrin.md): (endorsed 2011) - [Bismuth](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/bismuth.md): (endorsed 2025) - [Boron](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/boron.md): (endorsed 2011) - [Bromacil](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/bromacil.md): (endorsed 2011) - [Bromate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/bromate.md): (endorsed 1996) - [Bromoxynil](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/bromoxynil.md): (endorsed 2011) - [Cadmium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/cadmium.md): (endorsed 1996) - [Captan](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/captan.md): (endorsed 2011) - [Carbaryl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/carbaryl.md): (endorsed 2011) - [Carbendazim/Thiophanate-methyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/carbendazimthiophanate-methyl.md): (endorsed 2011) - [Carbofuran](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/carbofuran.md): (endorsed 2011) - [Carbon tetrachloride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/carbon-tetrachloride.md): (endorsed 1996) - [Carboxin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/carboxin.md): (endorsed 2011) - [Carfentrazone-ethyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/carfentrazone-ethyl.md): (endorsed 2011) - [Chloral hydrate (Trichloroacetaldehyde)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chloral-hydrate-trichloroacetaldehyde.md): CAS NO 302-17-0 (endorsed 2014) - [Chlorantraniliprole](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorantraniliprole.md): (endorsed 2011) - [Chlordane](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlordane.md): (endorsed 2011) - [Chlorfenvinphos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorfenvinphos.md): (endorsed 2011) - [Chloride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chloride.md): (endorsed 1996) - [Chlorinated furanones](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorinated-furanones.md): 3-chloro-4-(dichloromethyl)-5-hydroxy-2(5H)-furanone (MX) (endorsed 1996) - [Chlorine](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorine.md): CAS NO 7782-50-5 (endorsed 2014) - [Chlorine dioxide, Chlorite, Chlorate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorine-dioxide--chlorite--chlorate.md): (endorsed 2011) - [Chloroacetic acids: chloroacetic acid, dichloroacetic acid (DCA), trichloroacetic acid (TCA)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chloroacetic-acids--chloroacetic-acid--dichloroacetic-acid-dca--trichloroacetic-acid-tca.md): (endorsed 1996) - [Chlorobenzene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorobenzene.md): (endorsed 1996) - [Chloroketones](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chloroketones.md): 1,1-dichloropropanone (dichloroacetone); 1,3-dichloropropanone; 1,1,1-trichloropropanone (trichloroacetone); 1,1,3-trichloropropanone (endorsed 1996) - [Chlorophenols](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorophenols.md): 2-chlorophenol; 2,4-dichlorophenol; 2,4,6-trichlorophenol (endorsed 1996) - [Chloropicrin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chloropicrin.md): (endorsed 2011) - [Chlorothalonil](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorothalonil.md): (endorsed 2011) - [Chlorpyrifos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorpyrifos.md): (endorsed 2011) - [Chlorsulfuron](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chlorsulfuron.md): (endorsed 2011) - [Chromium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/chromium.md): (endorsed 1996) - [Clopyralid](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/clopyralid.md): (endorsed 2011) - [Colour (True)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/colour-true.md): (endorsed 1996) - [Copper](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/copper.md): (endorsed 2001) - [Cyanide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/cyanide.md): (endorsed 1996) - [Cyanogen chloride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/cyanogen-chloride.md): (endorsed 1996) - [Cyfluthrin, Beta-cyfluthrin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/cyfluthrin-beta-cyfluthrin.md): (endorsed 2011) - [Cypermethrin isomers](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/cypermethrin-isomers.md): (endorsed 2011) - [Cyprodinil](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/cyprodinil.md): (endorsed 2011) - [2,4-D \[(2,4-Dichlorophenoxy) acetic acid\]](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/2-4-d-2-4-dichlorophenoxy-acetic-acid.md): (endorsed 2011) - [DDT (1,1,1-trichloro-di-(4-chlorophenyl) ethane)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ddt-1-1-1-trichloro-di-4-chlorophenyl-ethane.md): (endorsed 2011) - [Deltamethrin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/deltamethrin.md): (endorsed 2011) - [Diazinon](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/diazinon.md): (endorsed 2011) - [Dicamba](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dicamba.md): (endorsed 2011) - [Dichlorobenzenes](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dichlorobenzenes.md): 1,2-dichlorobenzene (1,2-DCB); 1,3-dichlorobenzene (1,3-DCB); 1,4-dichlorobenzene (1,4-DCB) (endorsed 1996) - [Dichloroethanes: 1,1-dichloroethane, 1,2-dichloroethane](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dichloroethanes-1-1-dichloroethane-1-2-dichloroethane.md): (endorsed 1996) - [Dichloroethenes: 1,1-dichloroethene (1,1-DCE), 1,2-dichloroethene (1,2-DCE)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dichloroethenes-1-1-dichloroethene-1-1-dce-1-2-dichloroethene-1-2-dce.md): (endorsed 1996) - [Dichloromethane (methylene chloride)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dichloromethane-methylene-chloride.md): (endorsed 1996) - [1,3-Dichloropropene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/1-3-dichloropropene.md): (endorsed 2011) - [Dichlorprop/Dichlorprop-P](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dichlorpropdichlorprop-p.md): (endorsed 2011) - [Dichlorvos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dichlorvos.md): (endorsed 2011) - [Diclofop-methyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/diclofop-methyl.md): (endorsed 2011) - [Dicofol](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dicofol.md): (endorsed 2011) - [Diflubenzuron](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/diflubenzuron.md): (endorsed 2011) - [Dimethoate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dimethoate.md): (endorsed 2011) - [Diquat (ion), Diquat dibromide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/diquat-ion-diquat-dibromide.md): (endorsed 2011) - [Dissolved oxygen](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/dissolved-oxygen.md): (endorsed 1996) - [Disulfoton](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/disulfoton.md): (endorsed 2011) - [Diuron](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/diuron.md): (endorsed 2011) - [2,2-DPA](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/2-2-dpa.md): (endorsed 2011) - [Endosulfan](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/endosulfan.md): (endorsed 2011) - [Endothal](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/endothal.md): (endorsed 2011) - [Epichlorohydrin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/epichlorohydrin.md): (endorsed 1996) - [EPTC](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/eptc.md): (endorsed 2011) - [Esfenvalerate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/esfenvalerate.md): (endorsed 2011) - [Ethion](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ethion.md): (endorsed 2011) - [Ethoprophos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ethoprophos.md): (endorsed 2011) - [Ethylbenzene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ethylbenzene-casrn-100-41-4.md): CASRN 100-41-4 (endorsed 2013) - [Ethylenediamine tetraacetic acid (EDTA)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ethylenediamine-tetraacetic-acid-edta.md): (endorsed 1996) - [Etridiazole](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/etridiazole.md): (endorsed 2011) - [Fenamiphos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fenamiphos.md): (endorsed 2011) - [Fenarimol](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fenarimol.md): (endorsed 2011) - [Fenchlorphos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fenchlorphos.md): (endorsed 2011) - [Fenitrothion](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fenitrothion.md): (endorsed 2011) - [Fenthion](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fenthion.md): (endorsed 2011) - [Fenvalerate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fenvalerate.md): (endorsed 2011) - [Fipronil](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fipronil.md): (endorsed 2011) - [Flamprop-methyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/flamprop-methyl.md): (endorsed 2011) - [Fluometuron](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fluometuron.md): (endorsed 2011) - [Fluoride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/fluoride.md): (endorsed 1996) - [Flupropanate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/flupropanate.md): (endorsed 2011) - [Formaldehyde](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/formaldehyde.md): (endorsed 1996) - [Glyphosate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/formaldehyde-1.md): (updated 2011) - [Haloacetonitriles](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/haloacetonitriles.md): dichloroacetonitrile; trichloroacetonitrile; dibromoacetonitrile bromochloroacetonitrile (endorsed 2011) - [Haloxyfop](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/haloxyfop.md): (endorsed 2011) - [Hardness (as calcium carbonate)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/hardness-as-calcium-carbonate.md): (endorsed 1996) - [Heptachlor and heptachlor epoxide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/heptachlor-and-heptachlor-epoxide.md): (endorsed 1996) - [Hexachlorobutadiene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/hexachlorobutadiene.md): (endorsed 1996) - [Hexazinone](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/hexazinone.md): (endorsed 2011) - [Hydrogen sulfide, Sulfide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/hydrogen-sulfide--sulfide.md): (endorsed 1996) - [Imazapyr](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/imazapyr.md): (endorsed 2011) - [Iodine, Iodide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/iodine-iodide.md): (endorsed 2011) - [Iprodione](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/iprodione.md): (endorsed 2011) - [Iron](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/iron.md): (endorsed 1996) - [Lanthanum](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/lanthanum.md): (endorsed 2017) - [Lead](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/lead.md): (endorsed 2025) - [Lindane](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/lindane.md): (endorsed 2011) - [Maldison (Malathion)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/maldison-malathion.md): (endorsed 2011) - [Mancozeb](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/mancozeb.md): (endorsed 2011) - [Manganese](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/manganese.md): (endorsed 2025) - [MCPA](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/mcpa.md): (endorsed 2011) - [Mercury](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/mercury.md): (endorsed 1996) - [Metaldehyde](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/metaldehyde.md): (endorsed 2011) - [Metham](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/metham.md): (endorsed 2011) - [Methidathion](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/methidathion.md): (endorsed 2011) - [Methiocarb](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/methiocarb.md): (endorsed 2011) - [Methomyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/methomyl.md): (endorsed 2011) - [Methyl bromide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/methyl-bromide.md): (endorsed 2011) - [Metiram](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/metiram.md): (endorsed 2011) - [Metolachlor/s-Metolachlor](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/metolachlors-metolachlor.md): (endorsed 2011) - [Metribuzin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/metribuzin.md): (endorsed 2011) - [Metsulfuron-methyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/metsulfuron-methyl.md): (endorsed 2011) - [Mevinphos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/mevinphos.md): (endorsed 2011) - [Molinate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/molinate.md): (endorsed 2011) - [Molybdenum](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/molybdenum.md): (endorsed 1996) - [Monochloramine](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/monochloramine.md): CAS NO 10599-90-3 (endorsed 2014) - [Naphthalophos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/naphthalophos.md): (endorsed 2011) - [Napropamide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/napropamide.md): (endorsed 2011) - [Nicarbazin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/nicarbazin.md): (endorsed 2011) - [Nickel](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/nickel.md): (endorsed 1996) - [Nitrate and nitrite](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/nitrate-and-nitrite.md): (endorsed 2011) - [Nitrilotriacetic acid (NTA)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/nitrilotriacetic-acid-nta.md): (endorsed 1996) - [N-Nitrosodimethylamine (NDMA)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/n-nitrosodimethylamine-ndma.md): (endorsed 2011) - [Norflurazon](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/norflurazon.md): (endorsed 2011) - [Omethoate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/omethoate.md): (endorsed 2011) - [Organotins: dialkyltins, tributyltin oxide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/organotins--dialkyltins--tributyltin-oxide.md): (endorsed 1996) - [Oryzalin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/oryzalin.md): (endorsed 2011) - [Oxamyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/oxamyl.md): (endorsed 2011) - [Paraquat](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/paraquat.md): (endorsed 2011) - [Parathion](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/parathion.md): (endorsed 2011) - [Parathion-methyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/parathion-methyl.md): (endorsed 2011) - [Pebulate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pebulate.md): (endorsed 2011) - [Pendimethalin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pendimethalin.md): (endorsed 2011) - [Pentachlorophenol](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pentachlorophenol.md): (endorsed 2011) - [Per- and poly-fluoroalkyl substances (PFAS)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/cas-numbers-1763-23-1-pfos-335-67-1-pfoa-355-46-4-pfhxs.md): CAS NUMBERS 335-67-1 (PFOA), 1763-23-1 (PFOS), 355-46-4 (PFHxS), 375-73-5 (PFBS), 62037-80-3 and 13252-13-6 (GenX Chemicals) (endorsed 2025) - [Permethrin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/permethrin.md): (endorsed 2011) - [pH](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/ph.md): (endorsed 1996) - [Picloram](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/picloram.md): (endorsed 2011) - [Piperonyl butoxide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/piperonyl-butoxide.md): (endorsed 2011) - [Pirimicarb](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pirimicarb.md): (endorsed 2011) - [Pirimiphos methyl](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pirimiphos-methyl.md): (endorsed 2011) - [Plasticisers](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/plasticisers.md): Di(2-ethylhexyl) phthalate (DEHP); Di(2-ethylhexyl) adipate (DEHA) (endorsed 1996) - [Polihexanide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/polihexanide.md): (endorsed 2011) - [Polycyclic aromatic hydrocarbons (PAHs)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/polycyclic-aromatic-hydrocarbons-pahs.md): (endorsed 2011) - [Profenofos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/profenofos.md): (endorsed 2011) - [Promecarb](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/promecarb.md): (endorsed 2011) - [Propachlor](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/propachlor.md): (endorsed 2011) - [Propanil](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/propanil.md): (endorsed 2011) - [Propargite](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/propargite.md): (endorsed 2011) - [Propazine](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/propazine.md): (endorsed 2011) - [Propiconazole](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/propiconazole.md): (endorsed 2011) - [Propyzamide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/propyzamide.md): (endorsed 2011) - [Pyrasulfotole](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pyrasulfotole.md): (endorsed 2011) - [Pyrazophos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pyrazophos.md): (endorsed 2011) - [Pyroxsulam](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/pyroxsulam.md): (endorsed 2011) - [Quintozene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/quintozene.md): (endorsed 2011) - [Radionuclides, Specific Alpha and Beta Emitting](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/quintozene-1.md): (updated 2022) - [Radium (radium-226 and radium-228)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/quintozene-2.md): (updated 2022) - [Radon-222](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/quintozene-3.md): (updated 2022) - [Selenium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/selenium.md): (endorsed 2025) - [Silicon and Silica](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/silica.md): (endorsed 2025) - [Silver](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/silver.md): (endorsed 1996) - [Simazine](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/simazine.md): (endorsed 2011) - [Sodium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/sodium.md): (endorsed 1996) - [Spirotetramat](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/spirotetramat.md): (endorsed 2011) - [Styrene (vinylbenzene)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/styrene-vinylbenzene.md): (endorsed 1996) - [Sulfate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/sulfate.md): (endorsed 1996) - [Sulprofos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/sulprofos.md): (endorsed 2011) - [Taste and Odour](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/taste-and-odour.md): (endorsed 2011) - [Temephos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/temephos.md): (endorsed 2011) - [Temperature](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/temperature.md): (endorsed 1996) - [Terbacil](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/terbacil.md): (endorsed 2011) - [Terbufos](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/terbufos.md): (endorsed 2011) - [Terbuthylazine](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/terbuthylazine.md): (endorsed 2011) - [Terbutryn](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/terbutryn.md): (endorsed 2011) - [Tetrachloroethene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/tetrachloroethene.md): (also known as tetrachloroethylene or perchloroethylene) (endorsed 1996) - [Thiobencarb](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/thiobencarb.md): (endorsed 2011) - [Thiometon](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/thiometon.md): (endorsed 2011) - [Thiram](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/thiram.md): (endorsed 2011) - [Tin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/tin.md): (endorsed 2011) - [Toltrazuril](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/toltrazuril.md): (endorsed 2011) - [Toluene](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/toluene-casrn-108-88-3.md): CASRN 108-88-3 (endorsed 2013) - [Total dissolved solids](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/total-dissolved-solids.md): (endorsed 2011) - [Triadimefon](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/triadimefon.md): (endorsed 2011) - [Trichlorfon](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/trichlorfon.md): (endorsed 2011) - [Trichlorobenzenes](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/trichlorobenzenes.md): 1,2,3-trichlorobenzene (1,2,3-TCB); 1,2,4-trichlorobenzene (1,2,4-TCB); 1,3,5-trichlorobenzene (1,3,5-TCB) (endorsed 1996) - [1,1,1-Trichloroethane](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/1-1-1-trichloroethane.md): (endorsed 1996) - [Trichloroethylene (TCE)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/trichloroethylene-tce.md): (endorsed 1996) - [Triclopyr](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/triclopyr.md): (endorsed 2011) - [Trifluralin](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/trifluralin.md): (endorsed 2011) - [Trihalomethanes (THMs)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/trihalomethanes-thms.md): trichloromethane (chloroform); bromodichloromethane; dibromochloromethane; tribromomethane (bromoform) (endorsed 1996) - [Turbidity](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/turbidity.md): (endorsed 2011) - [Uranium](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/uranium.md): (updated 2022) - [Vernolate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/vernolate.md): (endorsed 2011) - [Vinyl chloride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/vinyl-chloride.md): (endorsed 1996) - [Xylenes](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/xylenes-casrn-1330-20-7.md): CASRN 1330-20-7 (endorsed 2013) - [Zinc](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/physical-chemical-characteristics/zinc.md): (endorsed 1996) - [Drinking water treatment chemicals](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals.md) - [Aluminium chlorohydrate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/aluminium-chlorohydrate.md): (endorsed 2005) - [Aluminium sulfate (alum)](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/aluminium-sulfate-alum.md): (endorsed 2005) - [Ammonia](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/ammonia.md): (endorsed 2005) - [Ammonium sulfate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/ammonium-sulfate.md): (endorsed 2005) - [Calcium hydroxide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/calcium-hydroxide.md): (endorsed 2005) - [Calcium hypochlorite](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/calcium-hypochlorite.md): (endorsed 2005) - [Calcium oxide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/calcium-oxide.md): (endorsed 2005) - [Carbon, granulated activated](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/carbon-granulated-activated.md): (endorsed 2005) - [Carbon, powdered activated](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/carbon-powdered-activated.md): (endorsed 2005) - [Chlorine](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/chlorine.md): (endorsed 2005) - [Copper sulfate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/copper-sulfate.md): (endorsed 2005) - [Ferric chloride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/ferric-chloride.md): (endorsed 2005) - [Ferric sulfate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/ferric-sulfate.md): (endorsed 2005) - [Hydrochloric acid](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/hydrochloric-acid.md): (endorsed 2005) - [Hydrofluorosilicic acid](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/hydrofluorosilicic-acid.md): (endorsed 2005) - [Hydrogen peroxide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/hydrogen-peroxide.md): (endorsed 2005) - [Hydroxylated ferric sulfate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/hydroxylated-ferric-sulfate.md): (endorsed 2005) - [Ozone](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/ozone.md): (endorsed 2005) - [Polyacrylamide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/polyacrylamide.md): (endorsed 2005) - [Polyaluminium chloride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/polyaluminium-chloride.md): (endorsed 2005) - [Polyaluminium silica sulfates](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/polyaluminium-silica-sulfates.md): (endorsed 2005) - [Polydiallyldimethylammonium chloride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/polydiallyldimethylammonium-chloride.md): (endorsed 2005) - [Potassium permanganate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/potassium-permanganate.md): (endorsed 2005) - [Sodium aluminate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-aluminate.md): (endorsed 2005) - [Sodium bicarbonate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-bicarbonate.md): (endorsed 2005) - [Sodium carbonate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-carbonate.md): (endorsed 2005) - [Sodium fluoride](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-fluoride.md): (endorsed 2005) - [Sodium fluorosilicate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-fluorosilicate.md): (endorsed 2005) - [Sodium hexametaphosphate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-hexametaphosphate.md): (endorsed 2005) - [Sodium hydroxide](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-hydroxide.md): (endorsed 2005) - [Sodium hypochlorite](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-hypochlorite.md): (endorsed 2005) - [Sodium silicate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-silicate.md): (endorsed 2005) - [Sodium tripolyphosphate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sodium-tripolyphosphate.md): (endorsed 2005) - [Sulfuric acid](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/sulfuric-acid.md): (endorsed 2005) - [Zinc orthophosphate](https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5/treatment-chemicals/zinc-orthophosphate.md): (endorsed 2005) --- # Agent Instructions: Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter: ``` GET https://guidelines.nhmrc.gov.au/australian-drinking-water-guidelines/part-5.md?ask= ``` The question should be specific, self-contained, and written in natural language. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.