Resources DownloadsAnalysis Price ListChain of Custody (PDF)Chain of Custody (Fillable PDF)Sampling GuideDMR FormEPA Characteristics of Hazardous Waste 40 CFR 261.21-24EPA Method Selection, Perservatives, Holding Times and ContainersEPA NPDES Discharge Parameters 40 CFR 122, Appendix D LinksThe NELAC InstituteThe United States Environmental Protection AgencyOklahoma Department of Environmental QualityTexas Commission on Environmental QualityLouisiana Department of Environmental QualityKansas Department of Health and EnvironmentNorth Dakota Department of Health - Environmental Health
