Chemical covers

K. B. Clansky, ed., H Guide to Industrial Chemicals Covered under Major Federal Regulatory andMdvisory Programs, Roytech, Burlingame, Calif., 1990. 

In addition to chemicals covered under TRI, many other chemicals are released. For example, the EPA Office of Air Quality Planning and Standards has compiled air pollutant emission factors for determining the total air emissions of priority pollutants (e.g., VOCs, SO, NO, CO, particulates, etc.) from many refinery sources. The EPA Office of Aerometric Information Retrieval System (AIRS) contains a wide range of information related to stationary sources of air pollution, including the emissions of a number of air pollutants which may be of concern within a particular industry. With the exception of volatile organic compounds (VOCs), there is little overlap with the TRI chemicals reported above. 

Hydrocarbon fuels used solely for workplace consumption as a fuel (e.g., propane used for comfort heating, gasoline for vehicle refueling), if such fuels are not a part of a process containing another highly hazardous chemical covered by this standard... 

In general, every material safety data sheet should provide the local emergency plamiing committee and tlie fire department in each conmiunity with tlie name of tlie chemical covered, as well as such general characteristics (see Table 2.6.4) as ... 

The field of these very important chemicals covers a very broad scope. An organized consideration of all phases of the problem is needed in developing a research program. From this the most critical research needs should be selected and emphasized. The following outline presents one type of an organized picture of the breadth and scope of the problem, and the variety of research and educational needs. Chemistry plays a major role in this work. 

Chemicals covered. Both laws exclude certain categories of chemicals from their PMN requirements, primarily those substances that are covered by other existing health and environmental laws. These include pesticides, drugs and medicinal products, and radioactive materials.(10)... 

As a result of the joint OSHA-EPA chemical accident investigation of the Napp Technologies incident in April 1995, a recommendation was made by EPA and OSHA to consider adding more reactive chemicals to their respective lists of chemicals covered by process safety regulations. To date, neither OSHA nor EPA process safety regulations have been modified to better cover reactive hazards. 

Figure 7.4 Relationship between Pacific oyster (Crassostrea gigas) and SPMD uptake-rate constants (ky.o and ku,s respectively), for test chemicals covering the range of test chemical log KqwS (250-ng treatment). Test chemicals within the range of log Kow 5.6 to 6.4 are shown as open symbols but are not used in the regression (see text for explanation). Reprinted from Huckins et al. (2004), copyright (2004) reproduced with permission from Alliance Communication Group.

Acids such as sulfuric, hydrochloric, nitric, phosphoric, perchloric, formic, acetic, chlorosulfonic, 50% hydrofluoric, and adipic can be treated by a mix of magnesium oxide and other chemical additives. It must be expected that when the dry chemical agent is applied to an acid spill, there will be a momentary increase in the volume of vapor coming off the spill. This puff is caused by the heat generated from the neutralization of the acid. To protect the personnel applying the dry chemical cover from this puff, suitable personnel protective equipment should be worn. 

The scope is limited to the schedule list (schedule 1, 2, and 3) in the Annex on Chemicals. The nature of the chemicals is described in Article II of the CWC. Article II defines the chemicals covered by the CWC and gives the criteria that determine if a chemical within a given context can be included or excluded from the scope for the purposes of the CWC. 

Senior Reporter H. J. M. Bowen The first volume of this series was published in 1975 and emphasized environmental organic chemistry whereas this second volume is deliberately slanted towards inorganic chemicals, covering the broad fields of the atmosphere and the hydrosphere, soils, and human diets. Reviewers of all these subjects agree that far too little information is available on the chemical forms of the elements in environmental reservoirs, thus laying down a challenge to analytical chemists. A broad review of mycotoxins is however included, partly to redress the balance of inorganic topics. Brief Contents ... 

The input required by multimedia fate models includes properties of the chemicals (such as distribution over compartments air, water, and soil or sediment), properties of the environment or landscape receiving the contaminants, and emission patterns and mode of entry of chemicals into the environment (OECD 2004) (Figure 1.1). Fenner et al. (2005) compared the outcome of 9 multimedia fate models by applying them to a set of 3175 hypothetical chemicals covering a range of 25 half-life combinations (in water, air, or soil or sediment) and 127 combinations of partition coefficients (air-water (/<", ), Kov/, and Koa). Results show great similarities between the model outputs for Pov predictions, but less for LRTR Pov and, to a lesser extent,... 

Based on predictions of the effect of CFCs on the ozone layer, in 1987 a previously unprecedented step was taken when many countries signed the UN Montreal protocol specifying the control and phase-out of these ozone-depleting chemicals. Since that time the protocol has been modified in order to speed up the schedule and extend the range of chemical covered to further lessen the effect of these chemicals (see Figure 27). One of the factors that lead to more rapid world action on CFCs was the discovery of the so-called Antarctic ozone hole. 

Clansky KB (ed.) Suspect Chemicals Sourcebook A Guide to Industrial Chemicals Covered Under Major Federal Regulatory and Advisory Programs, section 3, p. 44. Burlington, CA Roytech Publications. 

Tier 2 includes the chemicals covered by different sections of the U. S. Emergency Planning and Community Right-to Know Act (EPCRA) — particularly those classified as extremely hazardous — as well as chemicals having functional groups associated with high toxicity, such as acid chlorides, alk-oxysilanes, epoxides, and isocyanates. 

See Table IV-4 (p 532) and specific chemicals covered in Section II of this manual. 

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