The results of the inspection of the Bangkok area did not find cadmium contamination in the environment.

Bangkok: Pollution Control Department Revealing inspection results from finding cadmium and zinc residue. at Bang Sue District Cadmium levels were found higher than specific criteria from soil samples in the factory. But the soil outside the factory Nearby water sources and vapors in the air No contamination found Continuously watch out

The Pollution Control Department (PCD) reports the results of its inspection in the case of finding cadmium and zinc residue. stored in factory Pracharat Road 1, Wong Sawang Subdistrict, Bang Sue District, which is operated in collaboration with the Health Department. Bangkok They found cadmium and zinc sludge piled up inside the factory building. According to the announcement of the officials in accordance with the Factory Act, B.E. 2535 and the Hazardous Substances Act, B.E. 2535, there are 99 bags, equivalent to 150 tons of such sludge. It was seized as a medium in legal proceedings under the factory law.

In this regard, waste samples were randomly collected, consisting o
f 2 samples of soil inside the factory and 9 samples of soil outside the factory in the community area at distances of 50, 100, and 500 meters. When analyzed with an Energy Dispersive X-ray fluorescence machine (Energy Dispersive Ray Fluorescence (EDXRF) found that the tailings had a cadmium content higher than the TTLC value, which is considered a hazardous waste. The soil in the factory was found to be contaminated with cadmium higher than the criteria for soil contamination in the factory. As for the soil outside the factory, no cadmium contamination was detected.

As for the results of measuring chemical vapors in the atmosphere at 3 locations: inside the factory, in front of the factory, and in a community 250 meters away from the factory, no hazardous substances were detected in the atmosphere.

From wastewater sampling at two points inside the building and surface water samples from three points around the factory area, it was found that the initial water quality in both points was within normal limits
because there was no activity in the cadmium waste storage area. water in business operations and no business operations found

Previously, the Pollution Control Department attended a meeting of the cadmium waste problem solving committee of 6 agencies in accordance with the Prime Minister’s order. with Mr. Natthaphon Rangsitphon, Permanent Secretary of the Ministry of Industry, as chairman. Ms. Preeyaporn Suwannakes, Director-General of the Pollution Control Department, represented the Ministry of Natural Resources and Environment. Meeting with Mr. Phon Damtham, Governor of Samut Sakhon Province, Mr. Somchai Kitcharoenrungroj Governor of Tak Province Dr. Yongchua Sirithaworn Director of the Division of Occupational and Environmental Diseases Dr. Surawit Sakdanupap, Public Health Doctor of Samut Sakhon Province Ministry of Public Health Police Major Yutthana Praedam, Deputy Director-General of the Department of Special Investigation (DSI), Acting Director-General of the Department of Special Investigation, Po
lice Major General Watcharin Pusit, Commander for the Suppression of Crimes Related to Natural Resources and the Environment (Commander of Natural Resources and Environmental Crime Suppression Division). )

The Permanent Secretary of the Ministry of Industry emphasized in the meeting that all 6 agencies will jointly work together on guidelines for cadmium waste management. According to the orders of the Prime Minister and will communicate to the public to understand and correctly understand that Cadmium waste in Tak Province It is obtained by smelting zinc ore which contains copper ore and cadmium ore. in a mine in Tak Province that has long been closed down and is safely buried underground in Tak Province. Cadmium residue found Stabilized Mixed with Portland cement, which is widely used around the world in construction work, to prevent leaching and diffusion into the air.

Currently, more than 12,500 tons of cadmium waste have been found in Samut Sakhon Province. Chonburi Province and Bang Sue District Bangk
ok It will search for cadmium residue in areas that have not yet been found.

In dealing with the cadmium residue found The Department of Primary Industries and Mines has been assigned to plan and set guidelines. Including safety measures for moving. From origin to destination and prepare the area and environment to be safe Both before and after moving There is a way to return it to landfill at the original pond in Tak Province, which is a cement pond and lined with High-Density Polyethylene: HDPE plastic material produced by polymerizing under high pressure. Thickness 1.5 millimeters according to the environmental impact assessment. (Environmental Impact Assessment EIA) set.-512

Source: Thai News Agency