(8) the results of water analysis and a siting proposal for the reference well and the observation wells; and

Taqiy al-Din ibn-Maruf, The azymuthal observation well of Istanbul: Instruments of observations for the tables of the Shahinshah, Turkey, 1580.

(4) fails to construct groundwater observation wells in accordance with section 39,

(4) fails to construct groundwater observation wells in accordance with section 39;

(10) to lay out a monitoring network in accordance with the requirements of section 26;

Members of an Indian farmers group measure local groundwater levels at an observation well.

Prior to waste injection, the observation wells showed no detectable H2S and CH4.

Every excavation in which a tank is installed must have at least one observation well.

(12) to take a groundwater sample in each of the monitoring wells in accordance with section 33;

The reservoir will also include groundwater observation wells and observation equipment, to keep an eye on the quality and quantity of water in the reservoir.

(1) For groundwater monitoring purposes, observation wells must be sampled once per year and 90 days after every repair to the well.

Outline a geochemical hypothesis to account for the occurrence of H2S and CH4 in the observation wells.

Calculate the drawdown that would occur in an observation well 60 m from the pumping well at times of 1, 5, 10, 50, and 210 min after the start of pumping.

After injection commences, observation wells in the aquifer near the disposal well yield water in which abundant H2S and CH4 are detected.

(12) to take a groundwater sample in each of the monitoring wells in accordance with section 33;