Manure and Groundwater Supplies 
.... public health standards for safe drinking water require that maximum contaminant level (MCL) should not exceed nitrate concentrations of
10 ppm as nitrate-N or ....
(1057
4
)
OZONE LAYER DEPLETION AND ITS EFFECTS
.... the Earth. Concentrations of ozone are a few parts per million, variously estimated between 5 and
10 ppm (
10:2127). Unstable ozone ....
(1836
7
)
Application of the Chemical Ammonia
.... One experiment performed in 1965 involved dumping
10 tons of liquid .... who may encounter atmospheric ammonia concentrations higher than 10,000
ppm should wear ....
(1487
6
)
Should the US Sign the Kyoto Protocol?
.... average surface temperature would gradually rise by as much as
10 degrees Fahrenheit .... already on the rise, increasing from 280 parts per million (
ppm) at the ....
(1839
7
)
Pesticide Aldrin
.... controlled and handled in the workplace as a suspected occupational carcinogen (4:
10). .... observed in rat liver upon gastrointestinal exposure to 0.5
ppm aldrin (4 ....
(4341
17
)
Adverse Effects of the Pesticide, Aldrin
.... controlled and handled in the workplace as a suspected occupational carcinogen (4:
10). .... observed in rat liver upon gastrointestinal exposure to 0.5
ppm aldrin (4 ....
(4280
17
)
Pollution Problems and Economics
.... elements of the Clean Air Act define air pollution in specific
ppm terms. .... After
10 million tons of sulfur dioxides have been removed from ongoing industrial ....
(4140
17
)
Arsenic As A Human Carcinogen
.... The arsenic content of certain wells ranges from 0.05
ppm to over 1.0
ppm (Levander et al., 1977, p. 202). .... Clinics in Laboratory Medicine,
10, 459 472. ....
(2072
8
)
Arsenic As A Human Carcinogen
.... The arsenic content of certain wells ranges from 0.05
ppm to over 1.0
ppm (Levander et al., 1977, p. 202). .... Clinics in Laboratory Medicine,
10, 459 472. ....
(2055
8
)
International Construction Market
.... is enough to handle situations where the droplet size distribution curve peaks between
10 and 15 microns, while oil concentration ranges from 500 to 4,000
ppm. ....
(8388
34
)
Effects of Oil as a Hazardous Waste
.... used oil generated annually, only about 57% is recycled and only about
10% of do .... high levels of certain contaminants (ie, greater than 1,000
ppm total halogens ....
(5279
21
)
Oil: A Hazardous Waste In recent years, oil pol
.... used oil generated annually, only about 57% is recycled and only about
10% of do .... high levels of certain contaminants (ie, greater than 1,000
ppm total halogens ....
(5280
21
)
Meat Products Trade
.... enormous: genuine free trade in manufactured goods would add 5 to
10 percent to .... At present, it is accepted that certain
PPM restrictions can be applied, "even ....
(3881
16
)
Pool Maintenance Proper pool maintenance is a health
.... At an electricity cost of
10 cents per kwh, that would be a savings of .... 3. Analyze the level of Free Residual Chlorine, keeping it between 0.5 and 2
ppm. ....
(1910
8
)
Mercury Pollution and Its Solutions
.... useful in has been found useful in "scavenging toxic metals in
ppm and ppb .... all the possible effects that mercury can have, among them are autism (
10) and birth ....
(2862
11
)
Water Problems in the Middle East
.... 60% of the average annual water supply, the White Nile about 30%, and the Atabara about
10%... .... The water carries 220
ppm of dissolved solids as it leaves Aswan ....
(10436
42
)
