Field Monitoring

Telang AJ, S Ebert, LM Focht, DW Westlake, GE Jenneman, D Gevertz, G Voordouw (1997) Effect of nitrate injection on the microbial community in an oil field monitored by reverse sample genome probing. Appl Environ Microbiol 63 1785-1793. 

Decisions made in the design of field study data collection directly and indirectly affect analytical method development. Each sampling matrix will require specific procedures, and methods need to be developed with a view to the nature and scope of field monitoring programs that are or may be required. 

A fire-resistant building is located in the facility, 75 ft (23 m) from the nearest tank, and 25 ft (7.5 m) from the nearest edge of the dike wall. The building contains tank field monitoring and control equipment, provides shelter to the operators, and also houses administrative support activities. The building is equipped with multiple means of egress. 

Field monitoring and experimental simulation allow the researcher to study the variability of different links of biogeochemical food webs and to carry out the biogeochemical mapping of biosphere in accordance with above-mentioned classification regions of biosphere, sub-regions of biosphere and biogeochemical provinces. 

Denitrification, a dissimilatory pathway of nitrate reduction (see Section 3.3 also) into nitrogen oxides, N2O, and dinitrogen, N2, is performed by a wide variety of microorganisms in the forest ecosystems. Measurable rates of N20 production have been observed in many forest soils. The values from 2.1 to 4.0 kg/ha/yr are typical for forest soils in various places of Boreal and Sub-Boreal Forest ecosystems. All in situ studies (field monitoring) of denitrification in forest soils have shown large spatial and temporal variability in response to varying soils characteristics such as acidity, temperature, moisture, oxygen, ambient nitrate and available carbon. 

Hagstrum, D.W. 1994. Field monitoring and prediction of stored-grain insect populations. Postharv. 

Figure 5. Photograph of an autonomous lab-on-a-chip system (top) configured for remote field monitoring of phosphorus in natural waters. Bottom is a closeup of the detector area of the system.

To protect against the explosion and fire hazard, a plant manager should (a) have qualified plant personnel field monitor for explosive atmospheres and flammable vapors, (b) keep all potential ignition sources away from an explosive or flammable environment, (c) use nonsparking, explosion-proof equipment, and (d) follow safe practices when performing any task that might result in the agitation or release of chemicals. 

Monitoring Glaucoma patients on maximally tolerated medical therapy who are treated with 0.5% apraclonidine to delay surgery should have their visual fields monitored periodically. Discontinue treatment if lOP rises significantly. lOP reduction Because apraclonidine is a potent depressor of lOP, closely monitor patients who develop exaggerated reductions in lOP. 

An Integrated Approach for Field Monitoring and Effect Assessment Vethaak, Schrap, de Voogt, editors 2006... 

Issue The mineral processing industry and the end-users of their products need to agree on (1) realistic exposure scenario(s) (2) valid emission models (3) field monitoring methods for the application, use and disposal of biocidal products. 

Quantitative estimation of human exposure, environmental release/emissions rates and environmental distribution. This may be achieved through modelling or by field monitoring. 

Vethaak, A.D., Schrap, S.M., de Voogt, P. (editors) (2006). Estrogens and xenoestrogens in the aquatic environment an integrated approach for field monitoring and effect assessment. Pensacola (FI) Society of Environmental Toxicology and Chemistry (SETAC). 512 pp. 

Fig. 12 Optical near-field intensity distribution at the siuface of spherical gold nanoparticle with radius of 50 nm, calculated by FDTD technique. The incident field (1,0,0) was polarized along the y-axis the field monitor plane is perpendicular to the wave propagation direction (z-axis) and located at a distance of 70 nm from the center of the sphere...

Control of the field occurs on two levels. The upper level Is the supervisory control and data acquisition (SCADA) system whose main responsibility is well flow rate control, well testing, production allocation, accounting and general field monitoring. The SCADA system is operated from the Main Operations Center (MOC) which is remote from all three GCs. The second level of control is process control in the individual GCs. Flow to the GCs Is normally controlled by the SCADA system (HOC operator), but the GC operator can override and control well flow rates in case of SCADA system failure or other unusual circumstances. The GC operator and the MOC operator communicate via a dedicated telephone connection. 

The submicron particle number size distribution controls many of the main climate effects of submicron aerosol populations. The data from harmonized particle number size distribution measurements from European field monitoring stations are presented and discussed. The results give a comprehensive overview of the European near surface aerosol particle number concentrations and number size distributions between 30 and 500 nm of dry particle diameter. Spatial and temporal distributions of aerosols in the particle sizes most important for climate applications are presented. Annual, weekly, and diurnal cycles of the aerosol number concentrations are shown and discussed. Emphasis is placed on the usability of results within the aerosol modeling community and several key points of model-measurement comparison of submicron aerosol particles are discussed along with typical concentration levels around European background. 

With reference to the acylalanines, it can be stated that whenever they were introduced in mixtures, according to the recommended use concept, no cases of resistance leading to economic losses occurred. This use concept recommends a limited number of applications at the time of serious damage potential combined with field monitoring programs (39). In the interest of the user, the manufac-... 

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