Smog - A REPORT TO THE PEOPLE Episode 9 pot

... IN OXIDANT AIR QUALITY FOR THE SOUTH COAST AIR BASIN (0.20 ppm) PRESENT StRATEGY ( 197 1) / @)m 197 0 YEAR 1 39 75 77 80 Figure 12 SUPPLY AND DEMAND OF NATURAL GAS IN AUGUST 197 5 FOR SOUTHERN CAliFORNIA 5.0 I- Peak ... J ~ <! ex: ::J f- 1.0 ~ <! 2 - Firm- -Firm- -Firm- @)m 196 9 197 5 Actual Low High Use Projection Projection 142 Figure 13 SUMMARY OF PROPANE SUPPLY AND DEMA...

Ngày tải lên: 12/08/2014, 07:22

... against the economic and social costs of these measures. The Clean Air Act of 197 0 (as amended) appears to give the Administrator of the EPA discretionary authority to approve such an approach by a ... diseases. 6RecommendedAmbient Air Quality Standards Applicable to All Air Basins, a report to the Califor- nia Air Resources Board by the Technical Advisory Committe...

Ngày tải lên: 12/08/2014, 07:22

... secondary particulate aerosols are known to form as a result of the photochemical smog reaction, and these aerosols may amount to as much as 25% of the total in the atmosphere, on the basis of a ... proportion that this amount of natural gas bears to total anticipated supply and demand. In 196 9 average daily supply in August was still ahead of total demand, but by 197 5...

Ngày tải lên: 12/08/2014, 07:22

... for the carburetor float bowl and other chambers are either eliminated, made internal (so the vapors are consumed by the engine), or manifolded to a vapor storage system such as a carbon canister or ... instal- lations must meet all applicable codes and safety standards if they are to be safely used. Statistics gathered by the National Fire Protection Associa- tion over 30 yea...

Ngày tải lên: 12/08/2014, 07:22

... with an estimate of average mileage to compute the total mass emissions which are to be taxed. There are two ways of collecting such a tax: one is to impose the tax as an excise or sales tax, and ... be an incentive to operate a well-tuned car even if the tax did not vary with actual miles driven. If the motorist is to pay the tax, however, there is a simple way to...

Ngày tải lên: 12/08/2014, 07:22

... be not to recognize any; for example, as in the case of Britain to make propane (or its equivalent) manda- tory for all taxi cabs in London. Just as with the income tax the general argument against providing ... loopholes is that there is no natural stopping place. On the other hand, it also must be recognized that politicians some- times aren't willing to be as harsh as th...

Ngày tải lên: 12/08/2014, 07:22

... LO C'l o (/J Cl w w U x w w (,') <l: a: w > <l: a: => o J: w Z o ~ => ~ X <l: ~ a: <l: w > ;- 155 ABOUT THE AUTHORS LESTER LEES, director of the Environmental Quality Laboratory, is professor of aeronautics and environ- mental engineering at Caltech. He is the author of numerous papers on problems of high speed flight, especially entry of missi...

Ngày tải lên: 12/08/2014, 07:22

... California, for example, such an approach is applicable not only to the South Coast Air Basin, but also to the San Diego County Air Basin, the Sac- ramento Valley Air Basin, and the San Francisco Bay ... L .A. " we mean the Downtown L .A Burbank-Pasadena Area. 6 An average of the maximum mid- day oxidant levels measured at the APCD stations in these three locations was...

Ngày tải lên: 27/06/2014, 18:20

... should be reduced to 25 days per year (an additional re- duction of 50% and an overall reduction of 90 %).23 The Clean Air Act appears to give the Administrator of the EPA discretion- ary authority to approve an alternative ... State on the nature and amounts of emissions from such stationary sources; also authority for the State to make such data available to the publi...

Ngày tải lên: 05/03/2014, 19:20

... was two decades ahead-in 199 0. The federal gov- ernment said otherwise. With the enactment of the Clean Air Amendments of 197 0 the timetable for clean air was moved ahead to 197 5-or 197 7, at the latest. The ... are not to be ex- ceeded more than once a year. CALIFORNIA POLLUTANT TABLE 2 Comparison of California State Ambient Air Quality Standards and Federal Standards...

Ngày tải lên: 27/06/2014, 05:20