| ACGIH |
American Conference of Governmental Industrial Hygienists |
| ACM |
Asbestos-Containing Material |
| AHERA |
Asbestos Hazard Emergency Response Act of 1986 |
| AHU |
Air Handling Unit |
| AIHA |
American Industrial Hygiene Association Analyst |
| AMS |
Air Monitoring Services |
| API |
American Petroleum Institute |
| APR |
Air purifying respirator |
| ASHRAE |
American Society of Heating, Refrigerating, and Air-Conditioning Engineers |
| AST |
Aboveground Storage Tank |
| ASTM |
American Society for Testing and Materials |
| BOD |
Biological Oxygen Demand |
| BRI |
Building-Related Illness |
| BSM |
Bulk Services Group |
| BTEX |
Benzene, Toluene, Ethylbenzene and Xylenes |
| C |
Ceiling |
| CFM |
Cubic feet per minute |
| CFR |
Code of Federal Regulations |
| CO |
Carbon monoxide |
| CO2 |
Carbon Dioxide |
| COD |
Chemical Oxygen Demand |
| cPAHs |
Carcinogenic Polynuclear Aromatic Hydrocarbons |
| DO |
Dissolved Oxygen |
| DPE |
Dual Phase Extraction |
| ELISA |
Enzyme-Linked Immunosorbent Assay |
| ELTF |
Excess Liability Trust Fund |
| EPA |
Environmental Protection Agency |
| ETS |
Environmental tobacco smoke |
| FID |
Flame-Ionization Detector |
| FID |
Facility Identification Number |
| HEPA |
High Efficiency Particulate Air Filter |
| HSE/NPL |
Health and Safety Executive/National Physical Testing Laboratory in Teddington, UK |
| HVAC |
Heating, ventilation, and air-conditioning system |
| IAQ |
Indoor Air Quality |
| IDCL |
Industrial Default Closure Level |
| IDEM |
Indiana Department of Environmental Management |
| IDLH |
Immediately dangerous to life and health |
| IH |
Industrial Hygiene |
| IPM |
Integrated pest management |
| ISO |
International Organization for Standardization |
| LDAR |
Leak Detection and Repair |
| LUST |
Leaking Underground Storage Tank |
| MCE |
Mixed Cellulose Ester Membrane |
| MCS |
Multiple Chemical Sensitivity |
| MNA |
Monitored Natural Attenuation |
| MQR |
Monthly Quality Report |
| MSDS |
Material Safety Data Sheet |
| MSHA |
Mine and Safety Health Administration |
| MTBE |
Methyl Tertiary-Butyl Ether |
| mVOC |
Microbial Volatile Organic Compound |
| NIOSH |
National Institute for Occupational Safety and Health |
| NTIS |
National Technical Information Service |
| OA |
Outdoor air |
| ORP |
Oxidation Reduction Potential |
| OSHA |
Occupational Safety and Health Administration |
| PAHs |
Polynuclear Aromatic Hydrocarbons |
| PAPR |
Powered air purifying respirator |
| PAT |
Proficiency Analytical Testing |
| PCM |
Phase Contrast Microscopy |
| PEL |
Permissable Exposure Level |
| PID |
Photo-ionization Detector |
| PLM |
Polarized Light Microscopy |
| PM |
Preventive Maintenance |
| PPB |
Parts per billion. |
| PPE |
Personal Protective Equipment |
| PPM |
Parts per million |
| QA/QC |
Quality Assurance/Quality Control |
| QCC |
Quality Control Coordinator. |
| RDCL |
Residential Default Closure Level |
| RELs |
Recommended Exposure Limits |
| RISC |
Risk Integrated System of Closure |
| SAL |
Stop Action Limit |
| SBS |
Sick Building Syndrome |
| SC |
Specific Conductivity |
| SEM |
Scanning Electron Microscopy |
| STEL |
Short term exposure limit |
| SVE |
Soil Vapor Extraction |
| SVOCs |
Semi-Volatile Organic Compounds |
| TEM |
Transmission Electron Microscopy |
| TLVs |
Threshold Limit Values |
| TPH-DRO |
Total Petroleum Hydrocarbons as Diesel-Range Organics |
| TPH-ERO |
Total Petroleum Hydrocarbons as Extended-Range Organics |
| TPH-GRO |
Total Petroleum Hydrocarbons as Gasoline-Range Organics |
| TVOCs |
Total volatile organic compounds |
| TWA |
Time-Weighted Average |
| UST |
Underground Storage Tank |
| VAV |
Variable air volume system |
| VOCs |
Volatile Organic Compounds |
| VRP |
Voluntary Remediation Program |
| WHO |
Word Health Organization |
