Construction: lead abatement; certain definitions in lead abatement provision; modify. Amends secs. 5453, 5454, 5455, 5456, 5457, 5458, 5459, 5460, 5461a, 5462, 5463, 5464, 5465, 5468, 5469, 5470, 5471, 5472, 5473a, 5474, 5474b, 5474c, 5475, 5476 & 5477 of 1978 PA 368 (MCL 333.5453 et seq.) & repeals sec. 5474b of 1978 PA 368 (MCL 333.5474b {1}).