"Developmental effect" means an adverse effect on a developing organism that results or that can result from exposure to either parent prior to conception, exposure to the organism during prenatal development, or exposure to the organism at any time during postnatal development to the time of sexual maturation. Such effects can be detected at any point in the life span of the organism. Manifestations of such effects can include death of the developing organism, structural abnormality, altered growth, or functional deficiency.
N.H. Admin. Code § Env-A 103.05