The phrase "a hazardous substances" is not correct in English.
It should be "hazardous substances" or "a hazardous substance." You can use the correct form when referring to materials that pose a risk to health or the environment.
Example: "The factory was fined for improperly disposing of hazardous substances."
Alternatives: "dangerous materials" or "toxic substances."
At least three cars are leaking a hazardous substance, according to Doug Buchanan, a spokesman for the District of Columbia fire department.
The talks will focus on whether chrysotile asbestos should be recognised as a hazardous substance on the Rotterdam convention list.
The agency declared the sweetener a hazardous substance in 1980, after the Food and Drug Administration declared it a potential human carcinogen.
In 2000, the E.P.A. determined that mercury is a hazardous substance as defined by the Clean Air Act, which requires that such substances be strictly controlled.
It is a hazardous substance, but used safely around the world in large-scale industrial cooling systems such as food processing and building air conditioning.
They said they traced the call and took him to Jamaica Hospital Medical Center for treatment of self-inflicted injuries from ingesting a hazardous substance.
The mud is normally regulated as a pollutant in Europe but can be classified as a hazardous substance if levels of toxic elements are high, he said.
Justice John Paul Stevens, writing for the majority in the 8-to-1 decision, said the statutory language applied only when companies took "intentional steps to dispose of a hazardous substance".
Without the urgent approval and construction of facilities like ours at Preesall, which has been under planning consideration for nearly seven years and has HSE recommended approval for a hazardous substance consent, the UK is perilously vulnerable and the shortages felt this week will become an annual occurrencethat will threaten not just businesses, but homes as well".
