highly toxic

highly toxic

adjective Referring to a chemical that:
(1) Has a median lethal dose (LD50) of ≤ 50 mg/kg when administered orally to 200–300 g albino rats; or
(2) Has an LD50 of ≤ 200 mg/kg when administered by continuous contact for 24 hours on the shaved skin of 2.0–3.0 kg albino rabbits; or
(3) Has an LD50 of ≤ 200 ppm of volume of gas or vapour, or ≤ 2 mg/L of mist or dust, when administered by continuous inhalation to 200–300 g albino rats.

highly toxic

Occupational medicine adjective Referring to a chemical that 1. Has a median lethal dose–LD50 of ≤ 50 mg/kg when administered orally to 200-300 g albino rats 2. Has an LD50 of ≤ 200 mg/kg when administered by continuous contact for 24 hrs on the shaved skin of 2.0-3.0 kg albino rabbits 3. Has an LD50 of ≤ 200 ppm of volume of gas or vapor, or ≤ 2 mg/L of mist or dust, when adminstered by continuous inhalation to 200-300 g albino rats
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References in periodicals archive ?
The Japan Atomic Energy Agency (JAEA) said the incident occurred on Tuesday at its Oarai Research and Development Centre, a facility for nuclear fuel study that uses highly toxic plutonium.
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POLICE have issued a warning after highly toxic capsules used to gas rabbits and moles were stolen from a Holmfirth farm.
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It states that all the highly toxic nuclear waste produced by Wylfa B will be held on site for approximately 140 years after the new plant is closed (that is for about 200 years in total).
Stockpiling toxic waste; LETTERS
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The six aluminium flasks each contain 30 three-gram green/grey tablets, which emit a highly toxic gas when they come in contact with water.
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Amman, Feb 22 (Petra) aAC" Anti-drug agents arrested five men and seized "highly toxic" drug substances besides equipment used in their manufacture during a raid on two apartments in north Amman, the Public Security Department (PSD) said on Saturday.
Five arrested in anti-drug raid in North Amman
Hirose apologized for the recently confirmed leak of highly toxic water at one of the huge water storage tanks at the Fukushima Daiichi nuclear power plant, some of which could have flown into the adjacent Pacific Ocean.
Fishermen press TEPCO to end toxic water problem at Fukushima
Today we see a full alert in Newcastle when rail freight tankers carrying highly toxic gas were derailed.
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