| Series | Control Symbol | Title | Contents dates |
|---|---|---|---|
| A13403 | ENCA 1 | Submission 1-28 | 11 Jul 1990 - 12 Nov 1990 |
| A13403 | ENCA 2 | Submissions 29-41 | 30 Sep 1986 - 14 Feb 1991 |
| A13403 | ENCA 3 | Submission Number 31 | 01 Oct 1984 - 28 Apr 1991 |
| A13403 | ENCA 4 | Submission 42-58 | 10 Jan 1990 - 08 May 1991 |
| A13403 | ENCA 5 | Submissions and documents Presented at the Public Hearing, 21 Nov 1990, Vol IV | 01 Jan 1990 - 31 Dec 1990 |