draft notification of ministry of industry on list of hazardous substances no.4 to rectify and add some hazardous substances attached to the notification on list of hazardous substance 2013 dated 28th august 2013 as follows 1. regarding to list 4.1 no. 159 food and drug administration fda will cancel the prohibition of using methanol in case it is mixed in products being used as fuel for cooking or warming food. due to such products have already been controlled by thai industrial standard regulations. 2. regarding to list 4.3 fda will revise the controlling of two items of hazardous substance no.2 and no.3 by adding the condition of exemption as follow. 2.1 no.2 products used in household or public health activity with purposes for inhibiting preventing controlling getting rid of insects and other pests except any of the following products 1. products containing essential oils derived from plants or animals as an active ingredient. 2. products containing parts of plant as the main components that may be processed by cutting grinding chopping shredding etc. 3. products containing substances derived from plants or animals by the process of boiling fermentation distillation extraction burning or any other process and without any addition of other substances as an important ingredient that aims to make a chemical reaction. the above products must not contain synthetic chemicals as an active ingredient. 2.2 no.3 products used in household or public health activity with purposes for killing germs cleaning floor wall sanitary wares and other materials or for anti-clogging of drainage system or sewer line except any of the following products 1. products containing enzymes as an active ingredient. 2. products containing parts of plant as the main components that may be processed by cutting grinding chopping shredding etc.. 3. products containing substances derived from plants or animals by the process of boiling fermentation distillation extraction burning or any other process and without any addition of other substances as an important ingredient that aims to make a chemical reaction. the above products must not contain synthetic chemicals as an active ingredient. 3. according to the minamata convention department of industrial works diw will add 3 items which are mercury i chloride mercury ii sulfate mercury ii nitrate into list 5.1 and other mercury compound in list 5.4 as hazardous substance type 3 that need to register and apply for a permit before production import export or having in possession. in case of other mercury compound in list 5.4 they will be allowed in case of using in the laboratory only. meanwhile the department of agriculture doa who has prohibited the using of mercury compound in list 1.2 no.7 will clarify their responsibility by adding the condition except the part on responsibility of diw. 4. according to stockholm convention 15 items of persistent organic pollutant pops will be added into list 5.1 as hazardous substance type 3 of diw responsibility as follow. hexabromodiphenyl ether and heptabromodiphenyl ether 5 items 1 octabromodiphenyl ether cas no. 32536-52-0 2 2 2 4 4 5 5-hexabromo diphenyl ether bde-153 cas no. 68631-49-2 3 2 2 4 4 5 6-hexabromodiphenyl ether bde-154 cas no. 207122-15-4 4 2 2 3 3 4 5 6-heptabromodiphenyl ether bde-175 cas no. 446255-22-7 5 2 2 3 4 4 5 6-hepta bromodiphenyl ether bde-183 cas no. 207122-16-5 perfluorooctane sulfonic acid pfos and perfluorooctane sulfonyl fluoride pfosf 8 items 1 perfluorooctane sulfonic acid cas no. 1763-23-1 2 perfluorooctane sulfonyl fluoride cas no. 307-35-7 3 potassium perfluorooctane sulfonate cas no. 2795-39-3 4 lithium perfluorooctane sulfonate cas no. 29457-72-5 5 ammonium perfluorooctane sulfonate cas no. 29081-56-9 6 diethanolammonium perfluorooctane sulfonate cas no.70225-14-8 7 tetraethylammonium perfluorooctane sulfonate cas no. 56773-42-3 8 didecyldimethyl ammonium perfluorooctane sulfonate cas no. 251099-16-8 tetrabromodiphenyl ether and pentabromodiphenyl ether 2 items 1 2 2 4 4-tetrabromodiphenyl ether bde-47 cas no. 40088-47-9 2 2 2 4 4 5-pentabromodiphenyl ether bde-99 cas no. 32534-81-9 5. diw will add two kinds of sprout inhibitor which are 1 4-dimethyl naphthalene and isopropyl n- 3-chlorophenyl carbamate or chlorpropham as hazardous substance type 3 in list 5.1 and will be considered in case the industrial sector need to use only for treating potatoes in the industrial. in addition such chemicals as hazardous substance of doa in list 1.2 no. 9 will scope responsibility by adding the condition except the substance on responsibility of diw. 6. silane will be added into list 5.1 as hazardous substance type 3 in responsibility of diw due to its property that is highly flammable substance and it is used as raw material in solar cell manufacturing in thailand. 7. 1-phenyl-2-nitropropene will be controlled as hazardous substance type 3 in list 5.1 of diw because it can be used as precusor of phenyl-2-propanone that can be illegal used for drug producing.