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File consists of scattered issues of a weekly bulletin between 1971-1975. Includes the following issues

• Vol. 9, nos. 14, 18, 19, 21, 24-26, 30, 34-38 (1971)
• Vol. 3, nos. 30, 31, 33-49, 51-53 (1972)
• Vol. 4, nos. 1, 2, 5-13, 15-21, 23-30 (1973)
• Vol. 6 no. 6 (1975)

File includes issue no. 2, May-June 1976.

1 folder of textual records

File includes a report made available from the Ministry of the Environment. Also included is an envelope of promotional material and samples from Staff Industries Canada Ltd., relating to industrial waste linings and covers.

File includes the following issues:

• vol. 5, no. 3 (1972)
• vol. 6, no. 2 (1973)
• vol. 7, nos. 1-3 (1974)
• vol. 8, no. 1 (1976)
• Vol. 9, no. 2 (1977)