--- <1 µgm³) for quick equipment and ppe selection.​
- oel: applied in late-stagecommercial production; sets precise limits (e.g., 3 m³over 8-hour twa) based on toxicology testing compliance validation.​

this guide helps operators select containment systems by development phase, prioritizing personnel protection.

## why strategy matters hpapi manufacturing

hpapis work even tiny amounts. these medicines are so powerful. they made curing lung problems, hormone irregularities, cancer. small particles from compounds can cause adverse effects. some may affect fertility other systemic problems. to counter this, a is highly required.

[containment ](https:>title: "封じ込め：OEBとOELの違いは何ですか？" <1 µgm³ | extremely potent |

for example, when a substance falls into 10-100 m³.the range is available, but exact value may not be final yet.

this safety system classifies substances. [higher band level](https:>