1. The commissioner shall, within three calendar months after the effective date of this article, promulgate regulations establishing methods for indentification and quantification of ingredients in sewage system cleaners and additives used in restricted geographical areas.

2. The commissioner shall, within three calendar months after the effective date of this article, promulgate regulations requiring manufacturers of sewage system cleaners or additives distributed, sold or offered for sale in restricted geographical areas to furnish to the commissioner existing information regarding chemical components including the nature and extent of investigations and research performed by the manufacturer concerning the effects of such products on the quality of groundwaters, provided, however, that in lieu of furnishing said information, such manufacturers may refer the commissioner to any federal or state agency which has obtained said information, to the extent that said information is available to the commissioner from any such agency.

3. Whenever the commissioner finds, after investigation and public hearing, that any ingredient other than a restricted chemical material in a sewage system cleaner or additive distributed, sold, offered or exposed for sale in restricted geographical areas is likely to have a dangerous, deleterious or injurious effect upon the public health or environment, he shall prohibit or restrict in restricted geographical areas the sale, distribution, offer or exposure for sale or use by any person of sewage system cleaners or additives containing such ingredients.

4. The commissioner shall hold confidential any information obtained pursuant to subdivision two of this section when shown by any manufacturer that such information, if made public, would divulge competitive business information, methods or processes entitled to protection as trade secrets of such manufacturers.