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Hazardous Material Cleanup and Removal; or Hazardous Materials Site Remediation (2021-09-14)
7-453 Hazardous Material Cleanup and Removal and 7-454 Hazardous Materials Site
Remediation are both covered under the one classification of 7-220 Hazardous Waste
Treatment or Removal. Those obtaining these classifications must take 7-220 Hazardous
Waste Treatment or Removal examination.
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