delta-waves
发表于 2025-4-1 04:56:23
Pesticides,They are intended to kill and therefore control insects, plants, fungi, mites, rodents, bacteria, and a host of other destructive nuisances. More than 34,000 pesticides that are derived from about 600 basic chemicals are registered by the EPA for use in this country.
NIB
发表于 2025-4-1 06:14:36
Heavy Metal Wastes and Other Toxic Pollutants,owever, when their concentrations build up to higher than normal levels. The major sources of heavy-metal pollution are, primarily, the metals-processing industries, the mineral processors, the manufacturers of inorganic products, and the large-scale users of coal, such as the public utilities.
惹人反感
发表于 2025-4-1 13:05:49
Acid Rain,he past several decades the composition of moisture in the form of rain, snow, sleet, fog, dew, and frost that falls on the earth has changed drastically. We now have acid rain, acid snow, acid dew, and so on to complete the roster. If there is any one problem that has surfaced recently to affect our quality of life on this planet it is acid rain.
vocation
发表于 2025-4-1 16:21:22
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监禁
发表于 2025-4-1 19:34:07
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可触知
发表于 2025-4-2 00:51:35
Handling Radioactive Waste,B, 10; Chapter 7, C, 4-h, and 5-g; Chapter 9, B, G-9; and Chapter 16.) The handling of radioactive materials, such as spent fuel rods, or neutron thermal shields of nuclear power reactors, however, presents somewhat different requirements than are customarily encountered in the general run of materials-handling situations.
ALT
发表于 2025-4-2 02:50:06
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STYX
发表于 2025-4-2 08:32:05
h in turn are often based upon the firm foundation of data and experience in those areas. Personal and public safety require that the information concerning hazardous materials be disseminated as widely as possible. This document should not be used to determine compliance with the u.s. DOT hazardous material 978-1-4613-1959-7
goodwill
发表于 2025-4-2 11:29:20
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extemporaneous
发表于 2025-4-2 16:57:03
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