Standard Guide for Use of Dual-Wall Reverse-Circulation Drilling for Geoenvironmental Exploration and the Installation of Subsurface Water-Quality Monitoring Devices
NORMA vydaná dňa 1.1.2000
Označenie normy: ASTM D5781-95(2000)
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.2000
Počet strán: 8
Približná hmotnosť: 24 g (0.05 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
down-the-hole hammer (DTH) drilling, drilling, dual-wall reverse-circulation drilling method(s), geoenvironmental exploration, ground water, percussion-hammer drilling method, triple-wall percussion-hammer drilling method, vadose zone, ICS Number Code 73.100.30 (Equipment for drilling and mine excavation)