gas_specs

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Returns the facts for one breathing gas: maximum operating depth (MOD) at its Dive Kit PPO₂ band cap and at 1.4 bar, minimum depth for hypoxic mixes and, at a depth, PPO₂, equivalent narcotic depth (END), equivalent air depth (EAD) and gas density. Use this when the diver asks whether a gas is OK at a depth, its MOD, END, EAD or density. Not for planning a dive (plan_dive) or picking a gas (best_mix). Mixes are O₂ % and He %; depth follows units. The band cap is 1.4 bar under 28% O₂, 1.5 to under 45%, 1.6 at 45% and over, unless ppo2_max is given. No engine call. Example: {"oxygen_pct":32,"depth":35}