CHMM Exam Study Guide Exam with
complete solutions 2024/2025
P2 - ANSWER-Pollution Prevention, the highest priority is source reduction, the
most effective P2 activity is product modification to avoid solvent use
PDCA - ANSWER-Plan, Do, Check, Act (P2)
HAP - ANSWER-Hazardous Air Pollutant
MACT - ANSWER-Maximum Achievable Control Technology
TSDF - ANSWER-Transport, Storage, Disposal Facility, is required to have a
waste tracking program, a training plan, arrangements with emergency
responders, an employee onsite at all times
NPDES - ANSWER-National Pollution Discharge Elimination System
SWPPPs - ANSWER-Stormwater pollution prevention plans
Waste Management Hierarchy - ANSWER-1. Prevent or reduce 2. Recycle 3. Treat
4. Dispose or otherwise release
AEA - ANSWER-Atomic Energy Act
RCRA - ANSWER-Resource Conservation and Recovery Act, covers generation of
haz waste, transportation of haz waste, USTs, and non-haz solid waste
ALARA - ANSWER-As Low As Reasonably Achievable (AEA)
LDRs - ANSWER-Land Disposal Restriction (RCRA), meant to minimize post-
closure escape of waste, reduces the volume of haz waste disposal, encourages
recycling
,MTRs - ANSWER-Minimum Technology Requirements (RCRA), including liner
requirements, leak detection and collection requirements, groundwater
monitoring
CAMU - ANSWER-Corrective Action Management Unit (RCRA), needs to assess
environmental and health risks, if it will enhance the timeliness of remediation,
will minimize the land utilized for final disposal, will provide expeditious
implementation of site remedies
TU - ANSWER-Temporary Unit (RCRA)
RI - ANSWER-Remedial Investigation
CMS - ANSWER-Corrective Measures Study (RCRA)
IM - ANSWER-Interim Measures
RFI - ANSWER-RCRA Facility Investigation
SWMU - ANSWER-Solid Waste Management Unit (RCRA)
HSWA - ANSWER-Hazardous and Solid Waste Amendments (expanded RCRA)
CA - ANSWER-Corrective Action (HSWA), requires identification of all SWMUs on
a site before issuance of a Part B permit, a comprehensive groundwater
monitoring program, can require clean-ups outside a facilities boundary, provide
for temporary treatment units, has an additional section in a final permit requiring
further site clean-ups
Used Oil - ANSWER-Arsenic (5 ppm max), Cadmium (2 ppm max), Chromium
(10ppm max), Lead (100 ppm max), Total Halogens (4000 ppm max), Flash point
(100oF minimum)
NIOSH - ANSWER-National Institute of Occupational Safety and Health, conducts
research in occupational safety and health, develop criteria as a basis for new
standards, provides education, manpower development and training on health
and safety equipment, enforces occupational health and safety guidelines.
TLV - ANSWER-Threshold Limit Value
, Ceiling Value - ANSWER-An absolute value which cannot be exceeded (no TWA)
Nucleus - ANSWER-The center of an atom made up of a proton and a neutron
Ionization - ANSWER-the removal of electrons from an electrically neutral atom
TDS - ANSWER-Time, Distance, Shielding (ways to reduce exposure to radiation)
Alpha particle - ANSWER-Slowest, largest radioactive particle. Most destructive if
inhaled or ingested. Can be stopped by paper/tyvek. Made up of a proton and
neutron.
Beta particle - ANSWER-Can be stopped by plastic/aluminum foil. Can travel up to
four feet from source. Made up of an electron.
Half-lives to get to 12.5% of original radionuclide - ANSWER-Three. 100 (one) 50
(two) 25 (three) 12.5
Toxin - ANSWER-any substance that will produce a harmful effect when
introduced to the body in sufficient concentrations, creates a toxic effect when a
mechanism is available to allow a biochemical reaction at a receptor site in the
target organ
LD50 - ANSWER-Lethal dose 50%
Potentiation - ANSWER-not a toxin (for a particular target organ) that in
combination with a toxin, enhances the toxins effect
COI - ANSWER-Chemical of Interest (CFATS)
DHS - ANSWER-Department of Homeland Security (US Coast Guard, US Secret
Service, Transportation Security Administration (TSA), US Customs and Border
Protection (CBP)
CSAT - ANSWER-Chemical Security Assessment Tool, which assesses security
risks
Site Security Plan - ANSWER-Secure site assets, Deter, Detect, Delay, Screen and
control access.
complete solutions 2024/2025
P2 - ANSWER-Pollution Prevention, the highest priority is source reduction, the
most effective P2 activity is product modification to avoid solvent use
PDCA - ANSWER-Plan, Do, Check, Act (P2)
HAP - ANSWER-Hazardous Air Pollutant
MACT - ANSWER-Maximum Achievable Control Technology
TSDF - ANSWER-Transport, Storage, Disposal Facility, is required to have a
waste tracking program, a training plan, arrangements with emergency
responders, an employee onsite at all times
NPDES - ANSWER-National Pollution Discharge Elimination System
SWPPPs - ANSWER-Stormwater pollution prevention plans
Waste Management Hierarchy - ANSWER-1. Prevent or reduce 2. Recycle 3. Treat
4. Dispose or otherwise release
AEA - ANSWER-Atomic Energy Act
RCRA - ANSWER-Resource Conservation and Recovery Act, covers generation of
haz waste, transportation of haz waste, USTs, and non-haz solid waste
ALARA - ANSWER-As Low As Reasonably Achievable (AEA)
LDRs - ANSWER-Land Disposal Restriction (RCRA), meant to minimize post-
closure escape of waste, reduces the volume of haz waste disposal, encourages
recycling
,MTRs - ANSWER-Minimum Technology Requirements (RCRA), including liner
requirements, leak detection and collection requirements, groundwater
monitoring
CAMU - ANSWER-Corrective Action Management Unit (RCRA), needs to assess
environmental and health risks, if it will enhance the timeliness of remediation,
will minimize the land utilized for final disposal, will provide expeditious
implementation of site remedies
TU - ANSWER-Temporary Unit (RCRA)
RI - ANSWER-Remedial Investigation
CMS - ANSWER-Corrective Measures Study (RCRA)
IM - ANSWER-Interim Measures
RFI - ANSWER-RCRA Facility Investigation
SWMU - ANSWER-Solid Waste Management Unit (RCRA)
HSWA - ANSWER-Hazardous and Solid Waste Amendments (expanded RCRA)
CA - ANSWER-Corrective Action (HSWA), requires identification of all SWMUs on
a site before issuance of a Part B permit, a comprehensive groundwater
monitoring program, can require clean-ups outside a facilities boundary, provide
for temporary treatment units, has an additional section in a final permit requiring
further site clean-ups
Used Oil - ANSWER-Arsenic (5 ppm max), Cadmium (2 ppm max), Chromium
(10ppm max), Lead (100 ppm max), Total Halogens (4000 ppm max), Flash point
(100oF minimum)
NIOSH - ANSWER-National Institute of Occupational Safety and Health, conducts
research in occupational safety and health, develop criteria as a basis for new
standards, provides education, manpower development and training on health
and safety equipment, enforces occupational health and safety guidelines.
TLV - ANSWER-Threshold Limit Value
, Ceiling Value - ANSWER-An absolute value which cannot be exceeded (no TWA)
Nucleus - ANSWER-The center of an atom made up of a proton and a neutron
Ionization - ANSWER-the removal of electrons from an electrically neutral atom
TDS - ANSWER-Time, Distance, Shielding (ways to reduce exposure to radiation)
Alpha particle - ANSWER-Slowest, largest radioactive particle. Most destructive if
inhaled or ingested. Can be stopped by paper/tyvek. Made up of a proton and
neutron.
Beta particle - ANSWER-Can be stopped by plastic/aluminum foil. Can travel up to
four feet from source. Made up of an electron.
Half-lives to get to 12.5% of original radionuclide - ANSWER-Three. 100 (one) 50
(two) 25 (three) 12.5
Toxin - ANSWER-any substance that will produce a harmful effect when
introduced to the body in sufficient concentrations, creates a toxic effect when a
mechanism is available to allow a biochemical reaction at a receptor site in the
target organ
LD50 - ANSWER-Lethal dose 50%
Potentiation - ANSWER-not a toxin (for a particular target organ) that in
combination with a toxin, enhances the toxins effect
COI - ANSWER-Chemical of Interest (CFATS)
DHS - ANSWER-Department of Homeland Security (US Coast Guard, US Secret
Service, Transportation Security Administration (TSA), US Customs and Border
Protection (CBP)
CSAT - ANSWER-Chemical Security Assessment Tool, which assesses security
risks
Site Security Plan - ANSWER-Secure site assets, Deter, Detect, Delay, Screen and
control access.
