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New England Bioassay (NEB) is a woman-owned small business enterprise located in Manchester, Connecticut. We provide toxicological testing services to industrial, municipal, environmental engineering, and risk assessment clients nationwide. In business since 1986, New England Bioassay has become one of the leading aquatic toxicity laboratories in the Northeast. Our staff is committed to providing our clients with professional testing and consulting services, as well as excellent customer service, and reliable results.