CDC reducing exposure to illicit drugs

Reducing illicit drug exposure: safety measures for first responders
Selecting your personal protective equipment ( PPE)
Take protective measures when illicit drugs are present
Minimal exposure: no amount of suspected illicit drugs are visible, use nitrile gloves
Moderate exposure: small amounts of suspected drugs are visible use nitrile gloves, safety goggles / glasses, wrist arm protection and disposable N,P,or R-100 filtering facepiece respirator or reuseable elastomeric N, P, or R-100 respirator
High Exposure: large amounts of illicit drug products are visible. Entry not recommended. Refer scene to special operations response workers such as local Hazmat team.