Below is a list of hazardous chemicals that are regulated by the county. This is not an exhaustive list of all potentially hazardous chemicals. When in doubt, contact the science office. Be sure to consult MSDS sheets prior to any use of chemicals.
| NOT PERMITTED | PERMITTED W/RESTRICTION | PERMITTED W/RESTRICTION |
|---|---|---|
| 1,2 Dichloroethane | 1-Phenyl-2-Thiourea | Phosphorus Pentoxide |
| 2,4 Dinitrophenol | 2,2,4-Trimenthylpentane | Phthalic Anhydride |
| Acetamide | Aluminum Chloride | Potassium |
| Acrylonitrile | Ammonium Bichromate | Potassium Chromate |
| Anthracene | Ammonium Chromate | Potassium Oxalate |
| Arsenic | Ammonium Dichromate | Potassium Periodate |
| Arsenic Chloride | Ammonium Nitrate | Potassium Permanganate |
| Arsenic Pentoxide | Ammonium Vanadate | Potassium Sulfide |
| Arsenic Trioxide | Aniline | Pyridine |
| Asbestos | Aniline Hydrochloride | Pyrogallic Acid |
| Ascarite | Antimony | Silver Nitrate |
| Benzene | Antimony Chloride | Silver Oxide |
| Benzone | Antimony Oxide | Sodium |
| Benzoyl Peroxide | Antimony Potassium Tartrate | Sodium Azide |
| Cadmium Sulfate | Barium Chloride | Sodium Chloride |
| Cadmium Powder | Barium Compounds | Sodium Floride |
| Carbon Tetrachloride | Beryllium Carbonate | Sodium Nitrate |
| Chloroform | Bromine | Sodium Permanganate |
| Chromium III Oxide | Butanol | Sodium Silicofluoride |
| Chromium IV Oxide | Cadmium compounds | Sodium Sulfide |
| Chromium powder | Calcium Cyanide | Sodium Thiocyanate |
| Colbalt powder | Carbon Disulfide | Stannic Chloride |
| Colchicine | Catechol (pyrocatechol) | Stearic Acid |
| Diphenyl Ester Carbonic Acid | Chloral Hydrate | Strontium |
| Ethyl Ether | Chloretone (chlorobutanol) | Strontium Nitrate |
| Formaldehyde | Chlorobutanol (chloretone) | Sulfuric Acid |
| Gunpowder | Chlorpromazine | Tetrabromoethane |
| Hydrofluoric Acid | Chromic Acid | Thermite and related compounds |
| Lead Arsenate | Cyclohexane | Thioacetamide |
| Methyl Iodide | Ethylene | Titanium Trichloride |
| Nickel Carbonate | Ethylene Oxide | |
| Nickel 11 Acetate | Gasoline | |
| Nickel powder | Hexachlorophene | |
| O-Toluidine | Hydrobromic Acid | |
| p-Dioxane | Hydrochloric Acid | |
| Perchloric Acid | Hydrogen Sulfide | |
| Phenol | Hydroquinone | |
| Picric Acid | Iodine crystals | |
| Potassium Cyanide | Lead (11) acetate | |
| Selenium | Lead Chromate | |
| Silver Cyanide | Lead compounds | |
| Sodium Arsenate | Lithium | |
| Sodium Aresenite | Magnesium | |
| Sodium Cyanide | Magnesium Chlorate | |
| Sodium Nitrite | Mercuric Nitrate | |
| Sudan IV | Mercury | |
| Sulfuric Acid (fuming) | Methyl Ethyl Ketone | |
| Tannic Acid | Methyl Methacrylate | |
| Thiourea | Mexitylene | |
| Toluene | n,n-Dimethylaniline | |
| Uranium | Nicotine | |
| Uranyl Acetate | Osmium Tetroxide | |
| Uranyl Nitrate | Paris Green | |
| Urethane | Pentane | |
| Vinylite | Petroleum Ether | |
| Phenyl Salicylate (solol) |
NOTE: This is not an exhaustive list of all potentiall hazardous chemicals. When in doubt, contact the science office.
Be sure to consult MSDS sheets prior to any use of chemicals.