35 Ill. Adm. Code 6110.611.361
Recordkeeping
Section 611
TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE F: PUBLIC WATER SUPPLIES
CHAPTER I: POLLUTION CONTROL BOARD
PART 611 PRIMARY DRINKING WATER STANDARDS
SECTION 611.361 RECORDKEEPING
Section 611.361
Recordkeeping
Any supplier subject to this
Subpart G must keep original records of all sampling data and analyses,
reports, surveys, letters, evaluations, schedules, Agency determinations, and
any other information Sections 611.351 through 611.360, 611.362, and 611.363
require. Each supplier must keep the records this Section requires on its
premises for at least 12 years.
BOARD NOTE: This Section
derives from 40 CFR 141.91.