Check GMAT Club Decision Tracker for the Latest School Decision Releases https://gmatclub.com/AppTrack

 It is currently 26 May 2017, 15:29

### GMAT Club Daily Prep

#### Thank you for using the timer - this advanced tool can estimate your performance and suggest more practice questions. We have subscribed you to Daily Prep Questions via email.

Customized
for You

we will pick new questions that match your level based on your Timer History

Track

every week, we’ll send you an estimated GMAT score based on your performance

Practice
Pays

we will pick new questions that match your level based on your Timer History

# Events & Promotions

###### Events & Promotions in June
Open Detailed Calendar

# When permits for the discharge of chemicals into a waterway

Author Message
TAGS:

### Hide Tags

SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA
Followers: 6

Kudos [?]: 101 [0], given: 0

When permits for the discharge of chemicals into a waterway [#permalink]

### Show Tags

07 Jan 2004, 13:16
00:00

Difficulty:

(N/A)

Question Stats:

100% (01:18) correct 0% (00:00) wrong based on 5 sessions

### HideShow timer Statistics

19. When permits for the discharge of chemicals into a waterway are issued, they are issued in terms of the number of pounds each chemical that can be discharged into the waterway per day. These figures, calculated separately for each chemical for which a permit is issued, are based on an estimate of the effect of the dilution of the chemical by the amount of water flowing through the waterway. The waterway is therefore protected against being adversely affected by chemicals discharged under the permits.

The argument depends on the assumption that

(A) relatively harmless chemicals do not interact with each other in the water to form harmful compounds

(B) there is a swift flow of water in the waterway that ensures rapid dispersion of chemicals discharged

(C) those who receive the permits do not always discharge the entire quantity of chemicals that the permits allow

(D) the danger of chemical pollution of waterways is to be evaluated in terms of human health only and not in terms of the health of both human beings and wildlife
If you have any questions
New!
Senior Manager
Joined: 05 May 2003
Posts: 424
Location: Aus
Followers: 2

Kudos [?]: 10 [0], given: 0

### Show Tags

07 Jan 2004, 15:03
I am also getting A by process of elimination.
Director
Joined: 14 Oct 2003
Posts: 583
Location: On Vacation at My Crawford, Texas Ranch
Followers: 1

Kudos [?]: 53 [0], given: 0

Re: CR - Water Pollution [#permalink]

### Show Tags

07 Jan 2004, 15:10
anandnk wrote:
19. When permits for the discharge of chemicals into a waterway are issued, they are issued in terms of the number of pounds each chemical that can be discharged into the waterway per day. These figures, calculated separately for each chemical for which a permit is issued, are based on an estimate of the effect of the dilution of the chemical by the amount of water flowing through the waterway. The waterway is therefore protected against being adversely affected by chemicals discharged under the permits.

The argument depends on the assumption that

(A) relatively harmless chemicals do not interact with each other in the water to form harmful compounds

(B) there is a swift flow of water in the waterway that ensures rapid dispersion of chemicals discharged

(C) those who receive the permits do not always discharge the entire quantity of chemicals that the permits allow

(D) the danger of chemical pollution of waterways is to be evaluated in terms of human health only and not in terms of the health of both human beings and wildlife

I get A

B was tempting but it was already stated in the passage so it is not an assumption.
Senior Manager
Joined: 23 Aug 2003
Posts: 461
Location: In the middle of nowhere
Followers: 1

Kudos [?]: 24 [0], given: 0

### Show Tags

07 Jan 2004, 17:44
Agree with the group ...A

Vivek
_________________

"Start By Doing What Is Necessary ,Then What Is Possible & Suddenly You Will Realise That You Are Doing The Impossible"

SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA
Followers: 6

Kudos [?]: 101 [0], given: 0

### Show Tags

08 Jan 2004, 07:15

As per the argument the pollution is kept under control by limiting the discharge to such an amount that it is diluted to an harmless extent. The question does not ask for weakening or strengthening. If the chemical is not diluted then it is not serving the purpose. This has to be the assumption to connect the conclusion and premise.
A is out of scope though it would sound logical for a question "which one of the following if true would weaken authors argument"

B tells that whatever the authorities expect is indeed happening.
Manager
Joined: 29 Aug 2003
Posts: 240
Location: MI
Followers: 1

Kudos [?]: 30 [0], given: 0

### Show Tags

08 Jan 2004, 07:54
anandnk wrote:

As per the argument the pollution is kept under control by limiting the discharge to such an amount that it is diluted to an harmless extent. The question does not ask for weakening or strengthening. If the chemical is not diluted then it is not serving the purpose. This has to be the assumption to connect the conclusion and premise.
A is out of scope though it would sound logical for a question "which one of the following if true would weaken authors argument"

B tells that whatever the authorities expect is indeed happening.

The best way to find out an assumption is to negate it.

Lets negate B.
We get -
The flow of water is not enough to "disperse" the chemicals.

But the important point to note is that the argument is based on "dilution" not "dispersion". A chemical can be diluted in stagnant water. Can't it ?
So, even if you negate Option B the argument still stands.

Now, lets negate A.
We get -
The chemicals interact with each other and create other harmful chemicals.

Even if there is flow of water, or even if the chemicals are diluted, if the chemicals can potentially interact to form harmful compounds then the argument falls apart. Doesn't it ?
SVP
Joined: 30 Oct 2003
Posts: 1790
Location: NewJersey USA
Followers: 6

Kudos [?]: 101 [0], given: 0

### Show Tags

08 Jan 2004, 08:07
:bang:
You are right. I confused dispersion with dilution.
A is correct.
Intern
Joined: 05 Aug 2014
Posts: 10
Followers: 0

Kudos [?]: 0 [0], given: 0

Re: When permits for the discharge of chemicals into a waterway [#permalink]

### Show Tags

11 Apr 2016, 04:07
I think A is the right answer here.
Re: When permits for the discharge of chemicals into a waterway   [#permalink] 11 Apr 2016, 04:07
Similar topics Replies Last post
Similar
Topics:
The chemical adenosine is released by brain cells when those 3 05 Aug 2013, 02:58
5 The government should stop permitting tobacco companies to 10 03 Dec 2016, 18:00
16 In a certain state, hunting permits require the hunter to be 11 04 Sep 2016, 00:07
13 The chemical adenosine is released by brain cells when those 16 10 Apr 2016, 14:50
The government should stop permitting tobacco companies to 15 05 Jan 2012, 01:12
Display posts from previous: Sort by