TABLE 12 - SULPHATION RATE

1974 Period Le OuCeAer le OeNs

June 18 - July 19
July 20 - August 20 €0.1

August 30 - September 30 <0.1

* LOCATIONS: 603 Carmacks Street
Retail Store

Bill Rattray's House

No sulphation plates were exposed at site ''C''.