(a) Each arborist business shall maintain records for not less than five years from the date such record is made or amended, whichever is later. The record shall indicate: (1) For each application of a pesticide made on behalf of the business, (A) the name and certification number of the commercial supervisor and the commercial operator, (B) the kind and amount of pesticide used and the amount of acreage treated, if applicable, (C) the date and place of application, (D) the pest treated for, and (E) the crop or site treated; (2) a list of the names and corresponding United States Environmental Protection Agency registration numbers of any pesticide applied by the business; (3) the names and applicator certification numbers of all certified commercial pesticide applicators, whether operator or supervisory, who are employees or agents of the arborist business, and a list of the types of applications that each applicator performs; and (4) for each site where arboriculture not involving the use of pesticides was performed: (A) The type of work performed, including, but not limited to, pruning, trimming, cabling, bracing, fertilization or treating cavities, (B) the date and place of work, (C) the name and license number of the licensed arborist supervising the work, and (D) the names of any unlicensed or licensed persons performing the work under the supervision of the licensed arborist.

(b) Information required under subdivision (2) of subsection (a) of this section may be kept separately from the records required by subdivision (1) of subsection (a) of this section or may be integrated with such records by including on the record of each pesticide application the full name and the United States Environmental Protection Agency registration number of the pesticide used.

(c) All records and information required to be kept pursuant to this section shall be kept at the place of business for such arborist business and may be inspected by the Commissioner of Energy and Environmental Protection pursuant to § 22a-59. If the place of business for such arborist business is outside of the state, the records and information shall be made available to the commissioner at a location in the state not more than ten days after receipt of a request for inspection from the commissioner.

(d) Each arborist business shall, upon written request, provide any customer with a copy of the record which is required to be kept pursuant to this section and which pertains to arboriculture performed for such customer.