West Coast Collaborative

West Coast Collaborative: Public-private partnership to reduce diesel emissions
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Website and content funded by the US Environmental Protection Agency.

Privacy & Security Policy

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Privacy & Security Policy

The privacy of our
visitors is of utmost importance to us. We collect no personally
identifiable information about you when you visit this site unless
you choose to provide that information.

For each HTTP request (which is what
your Web browser generates when you request a page or part of a page
from a Web site) received, we collect and store only the following

  • the date and time
  • the originating Internet Provider address (IPA) (this address
    can refer to a specific computer; more frequently, commercial
    Internet providers use a temporary IPA which does not link to a
    specific computer)
  • the type of browser and operating system used (if provided
    by the browser)
  • the URL of the referring page (if provided by the browser)
  • the object requested
  • completion status of the request
  • pages visited

We use the information that we automatically collect to measure
the number of visitors to the different areas of our
sites, and to help us make our pages more useful to visitors.
This includes analyzing these logs periodically to determine
the number of pages served,
and the level of demand for pages and topics of interest.

How Long is the Information Retained?

The logs for each day, with
no personal information, are maintained indefinitely.


This site does not use "persistent cookies" or any
other persistent tracking methods to collect personally identifiable
information about visitors to our Web pages. Cookies are small files
that Web servers place on a user’s hard drive. They can serve several
functions, depending upon how they are designed:

  • they allow the Web site to identify you as a previous visitor
    each time you access a site;
  • they track what information you view at a site (important to
    commercial sites trying to determine your buying preferences);
  • in the more advanced cases they track your movements through
    many Web sites but not the whole Web;
  • businesses use them for customer convenience to allow them
    to produce a list of items to buy and pay for them all at
    one time and to garner information about what individuals are buying
    at their sites;
  • advertisers use them to determine the effectiveness of their
    marketing and offer insights into consumer preferences and
    tastes by collecting data from many Web sites; and
  • they can be used to help a Web site tailor screens for each
    customer’s preference.

To protect your privacy, be sure to close your browser completely
after you have finished conducting business with a Web site
that does use cookies. If you are concerned about the potential
use of the information gathered from your computer by cookies,
you can set your browser to prompt you before it accepts a
cookie. Most Internet browsers have settings that let you identify
and/or reject cookies.

Site Security

For site security purposes and to ensure that this
service remains available to all users, this site employs software
programs to monitor network traffic to identify unauthorized attempts
to upload or change information, or otherwise cause damage to the
information on our site. Unauthorized attempts to upload information
or change information on this service (“hacking”) are
strictly prohibited and may be punishable under the Computer Fraud
and Abuse Act of 1986 and the National Information Infrastructure
Protection Act. Except for these authorized law enforcement investigations,
no other attempts are made to identify individual users or their
usage habits.

Back to Top West Coast Collaborative  •  Last
updated on
October 5, 2007
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