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| CERTIFICATIONS | Maryland Department of Health & Mental Hygiene, State of Maryland Water Quality Laboratory, Certification #179. Reciprocity agreement in Delaware. Pennsylvania National Environmental Laboratory Accreditation Conference (NELAC): Laboratory ID #68-3330 Virginia National Environmental Laboratory Accreditation Conference (NELAC): VELAP Laboratory ID #460156 West Virginia Certificate #303 U.S. Department of Agriculture Foreign Soil Permit #S-76772 |
