A prospective purchaser is not a responsible party solely as the result of:
1. Conducting an environmental assessment of real property;
2. Contracting to purchase, or acquiring an option to purchase, real property;
3. Applying to participate in a program; or
4. Conducting or supervising removal or remediation of a hazardous substance or substances, while exercising reasonable care, pursuant to an approved remedial agreement.
(Added to NRS by 1999, 2694)