Appendix 4: Vehicle Use List

SPARSE: Circle if there is a thin film of algae that cannot be measured by holding a ruler perpendicular to the surface of the substrate. 3. MODERATE: Circle if there is a “moderate” film of algae; the thickness of the attached algae does not exceed 5 mm. 4. ABUNDANT: Circle if there is an “abundant” film of algae; the thickness of the ... ................
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