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6. SAMPLING IN BOREHOLES
a. Thin-walled tube sampler Clause 4.4.4.3
b. Thin-walled Stationary Piston Sampler Clause 4.4.5
c. Mazier sampler Clause 4.4.5.1
Thin-walled tube sampler Thin-walled Stationary Piston sampler Mazier sampler
