(1) These Regulations may be cited as the Environmental Protection (Controls on Injurious Substances) (No. 2) Regulations 1992 and shall come into force on 31st July 1992.
(2) In these Regulations—
“ CAS Number ” means a number described in the CAS Registry Handbook, ISSN 0093-058X, published in instalments from 1965 to 1971 with supplements for 1972 to 1976, 1977 to 1981, 1982 to 1986 and 1987 to 1991 by the Chemical Abstracts Service, American Chemical Society, Columbus, Ohio, USA ;
“ DBBT ” means monomethyl-dibromo-diphenyl methane, CAS Number 99688-47-8;
“Ugilec 121 or Ugilec 21” means monomethyl-dichloro-diphenyl methane;
“Ugilec 141” means monomethyl-tetrachloro-diphenyl methane, CAS Number 76253-60-6.