USCG Exam Practice · MARPOL and discharge regulations
Under 33 CFR §151.05, the definition of 'plastic' for purposes of the garbage discharge regulations includes which of the following?
- AIncinerator ashes from plastic products, but only if the ash contains identifiable plastic residue
- BSynthetic ropes, synthetic fishing nets, plastic garbage bags, and incinerator ashes from plastic products✓ correct
- CSynthetic ropes and fishing nets, but not incinerator ashes since incineration destroys the polymer structure
- DOnly hard plastics; soft or elastic plastic materials are classified as operational wastes
Why B is correct
33 CFR §151.05 defines 'all plastics' as all garbage that consists of or includes plastic in any form, and specifically lists synthetic ropes, synthetic fishing nets, plastic garbage bags, and incinerator ashes from plastic products. No exception is made for ash or for soft versus hard plastics.
Cited:33 CFR §151.05
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