EPA Definition

The Environmental Protection Agency (EPA) monitors hazardous waste in the United States. The Resource Conservation and Recovery Act (RCRA) was enacted in 1976 to provide “cradle to grave” tracking of substances that have been shown to pose a substantial danger to human health or the environment when improperly managed.

What is considered hazardous waste?
The EPA defines hazardous waste and generates lists of substances shown to cause increased mortality or illness in humans or harm to the environment. In general, “hazardous waste” includes materials that have been judged by the EPA to be corrosive, ignitable, reactive or toxic.

In addition to publishing lists of hazardous wastes, the EPA also develops management regulations for hazardous waste generators, treatment, storage, and disposal facilities (TSDFs). Other issues addressed by the EPA include classification and labeling, as well as identifying opportunities to minimize the production of hazardous waste.

EPA Hazardous Waste Website

Analytical Laboratory Services

We provide the analytical services that support your environmental projects. Whenever you need legally defensible analytical results, we deliver on time. Our laboratory provides comprehensive analytical services for drinking water, wastewater, ground and surface water, foods, soils, sediments, sludges, filters, air, and hazardous waste samples.

Our team of experienced scientists can also help you understand the analytical requirements of regulations such as CWA, NPDES, SDWA, RCRA, CERCLA, and SARA.

Our Laboratory Services Include

  • Chemical analysis of organic compounds by GC, GC/MS, and HPLC
  • Chemical analysis of inorganics by ICP, ICP-MS, UV-VIS, and IC
  • Water quality analysis by instrumental and wet chemistry methodologies, SFA
  • Sampling and analysis of groundwater monitoring projects
  • Leachate preparation procedures, including TCLP & SPLP
  • Analysis for petroleum hydrocarbons
  • MTBE analysis by EPA 524.2
  • Microbiology

As part of our total commitment to customer service, we offer our clients:

  • Sampling kits that are custom-designed to meet your project needs with containers, preservatives, labels, instructions and chain-of-custody forms
  • Responsive client services with knowledgeable project managers
  • A Quality Assurance Program that yields data capable of withstanding the rigors of regulatory review and legal scrutiny
  • High level of automation that results in shorter turnaround times and cost control
  • Custom Data delivery in a variety of formats by our Laboratory Information management System

Contact Neilson Research Corporation now to order your sample kit.

Testing Methods

Biosolid/Sludge Packages

Toxicity Characteristic Leaching Procedure (TCLP)

Synthetic Precipitation Leaching Procedure (SPLP)


TCLP (or SPLP) 3 Metals

Cadmium Chromium Lead


TCLP (or SPLP) 4 Metals

Arsenic Cadmium
Barium Chromium


TCLP (or SPLP) 8 Metals

Arsenic Chromium Selenium
Barium Lead Silver
Cadmium Mercury


TCLP Pesticides

Chlordane Heptachlor Epoxide Toxaphene
Endrin Lindane
Heptachlor Methoxychlor


TCLP Semi-Volatiles

2,4,5-Trichlorophenol Hexachlorobutadiene o-Cresol
2,4,6-Trichlorophenol Hexachloroethane p-Cresol
2,4-Dinitrotoluene m-Cresol Pentachlorophenol
Hexachlorobenzene Nitrobenzene Pyridine


TCLP Volatiles (ZHE)

1,1-Dichloroethylene Carbon Tetrachloride Tetrachloroethylene
1,4-Dichlorobenzene Chlorobenzene Trichloroethylene
1,2-Dichloroethane Chloroform Vinyl Chloride
Benzene Methyl Ethyl Ketone (MEK)


Environmental Testing

Semi-Volatile Organic Compounds

Base, Neutrals, and Acids (BNA) Phenol
Penta & Tetrachlorophenol Polynuclear Aromatic Hydrocarbons (PAH)


Volatile Organic Compounds

Full 8260 BTEX + Napthalene


RBDM Volatiles

1,1,1-Trichloroethane Cis-1,2-Dichloroethylene Toluene
1,1-Dichloroethane Ethylbenzene Trans-1,2-Dichloroethylene
1,2,4-Trimethylbenzene Isopropylbenzene Trichloroethene (TCE)
1,2-Dibromoethane (EDB) Methyl Tert-butyl Ether Vinyl Chloride
1,2-Dichloroethane (EDC) Napthalene Xylenes, Total
1,3,5-Trimethylbenzene n-Propylbenzene
Benzene Tetrachloroethene (PCE)


Hydrocarbon Analyses



Polychlorinated Biphenyls (PCBs)

Aroclor 1016 Aroclor 1254 Aroclor 1260
Aroclor 1221 Aroclor 1242
Aroclor 1232 Aroclor 1248


Other Common Analyses

Paint Filter Test Lead in Paint
Ethanol & Methanol pH
Flash Point Polychlorinated Biphenyls (PCBs) in Oil
Glycol & Alcohols Trace Metals