| Aspect |
Impacts |
Significance Evaluation |
Legal & Other Requirements |
Operational Controls & Measuring
Protocols |
| Hexavalent Chromium Solution |
Natural Resource Use: none
Air Impacts: regulated toxic
Water Impacts: regulated toxic
Land Impacts: listed waste
Other Impacts: none
|
Qualitative Analysis: regulated waste, threat to environment/ personnel
Quantitative Analysis: magnitude/severity=4
frequency=5
Significant?
Qualitative: yes
Quantitative: yes |
RCRA: hazardous waste
CERCLA: spills
EPCRA: Sections 301-303, 604, 311-312, 313
CWA: wastewater discharge, stormwater (if exposed)
CAA: NSR if “new source,” if “non-attainment,” HAPs, operating permits if “major source,” enhanced monitoring if “signficant emissions,”
Spill reporting
|
Operational Controls: material specification, delivery/ dispensing procedure, bath temperature/ exhaust control system, wastewater treatment
Parametric Measures: none
Performance Measures: amount used per unit of production |
| Phosphate Solution |
Natural Resource Use: none
Air Impacts: regulated toxic
Water Impacts: regulated toxic
Land Impacts: listed waste
Other Impacts: none |
Qualitative Analysis: threat to environment/ personnel
Quantitative Analysis: magnitude/severity=2
frequency=5
Significant?
Qualitative: yes
Quantitative: yes |
RCRA: depends
CERCLA: depends
EPCRA: depends
CWA: wastewater discharge if exposed
CAA: depends |
Operational Controls: material specification, delivery/ dispensing procedure, bath temperature/ exhaust control system, wastewater treatment
Parametric Measures: none
Performance Measures: amount used per unit of production |
| Nitric Acid |
Natural Resource Use: none
Air Impacts: regulated toxic
Water Impacts: regulated toxic, pH
Land Impacts: listed waste
Other Impacts: none
|
Qualitative Analysis: threat to environment/ personnel
Quantitative Analysis: magnitude/severity=3
frequency=5
Significant?
Qualitative: yes
Quantitative: yes |
RCRA: hazardous waste
CERCLA: spills
EPCRA: Sections 301-303, 604, 311-312, 313
CWA: wastewater discharge, stormwater (if exposed)
CAA: NSR if “new source,” if “non-attainment,” HAPs, operating permits if “major source,” enhanced monitoring if “signficant emissions,”
Spill reporting |
Operational Controls: material specification, delivery/ dispensing procedure, bath temperature/ exhaust control system, wastewater treatment
Parametric Measures: none
Performance Measures: amount used per unit of production |
