excludedMetallurgical coal: out of scope - USGS does not track metallurgical coal in MCS / MYB. Documented as v1 scope exclusion in `docs/datasources.md`.
no dataNo pricing data - No `PriceRecord` rows in scope for this commodity.
no dataNo demand data - No consumption / intensity / projection rows in scope. Forward-looking demand requires either USGS MCS apparent-consumption coverage (commodity-specific) or hand-curated intensity proxies + IEA CMO scenarios.
no dataNo commodity-decomposed recycling data - No USGS MCS Fig13 scrap rows. EU WEEE / battery EOL flows (Phase 6.1.1) are country-keyed only see country profiles.
