ASTM D8068

ASTM D8068 is the ASTM standard that describes a practice for collecting culturable airborne fungi or bacteria on agar plates using inertial impaction systems. It is relevant for users who need a consistent way to capture viable airborne microorganisms for subsequent evaluation. By defining a recognized collection approach, the standard helps support comparable results, clearer procurement decisions, and more reliable quality control in air sampling work.

ASTM D8068 standard overview

The official title of ASTM D8068 points to a practical sampling method rather than a testing result or acceptance limit. It addresses collection of culturable airborne fungi or bacteria on agar plates by inertial impaction systems, which are commonly used to deposit airborne particles onto a growth medium. This makes the document useful when a standardized approach is needed for sampling consistency, repeatability, and clearer communication between users, laboratories, and equipment suppliers.

Where is ASTM D8068 used?

This standard is commonly used in air monitoring workflows where viable fungal or bacterial counts are collected from the air onto agar plates. It may support laboratory sampling programs, environmental monitoring activities, and equipment selection for inertial impaction-based air samplers. ASTM D8068 is most relevant when users need a defined practice for collecting culturable airborne microorganisms in a way that can be compared across projects or sampling events.

Practical importance of ASTM D8068

In practice, ASTM D8068 helps bring consistency to airborne microbiological collection methods. That matters for quality control, method alignment, and procurement of air sampling equipment or related consumables. A recognized standard can reduce uncertainty when comparing results from different sampling activities and may help support compliance-oriented documentation. For organizations that rely on viable airborne microorganism data, the standard provides a clearer technical basis for routine sampling decisions.

• Collection of culturable airborne fungi
• Collection of culturable airborne bacteria
• Agar plate sampling method
• Inertial impaction systems
• Standardized air sampling practice