- (a) The operator shall submit to the Department a chemical analysis of the sewage sludge under § 275.104 (Reserved) every 4 months following the first application of sludge, unless the Department approves a different schedule in the permit.
- (b) The operator shall perform and submit to the Department additional analyses if there has been a significant change in the quality of sludge.
- (c) The Department may modify the approved sludge application rate if there has been a significant change in the quality of sludge.