Checked content

File:Meth ammonia tank Otley iowa.JPG

Summary

Description
English: Anti-meth sign ("Stop Meth") on an anhydrous ammonia (NH₃) tank outside Otley, Marion County, Iowa, USA. – Anhydrous ammonia is a common farm fertilizer which is also a critical ingredient in making methamphetamine. In 2005, the state of Iowa gave out thousands of locks in order to prevent criminals from accessing the tanks. Those tanks are stored at co-ops, and on farm fields across the state, cf. .
Date 7 October 2010
Source
English: Transferred from en.wikipedia.org ( file log): 2010-10-07 22:19 . . Billwhittaker . . 4,000×3,000 (3.54 MB) . . (Anti-Meth sign on anhydrous ammonia tank outside Otley, Iowa. I created this work entirely by myself.
Author Bill Whittaker (user Billwhittaker)

Licensing

Public domain This work has been released into the public domain by its author, Billwhittaker. This applies worldwide.
In some countries this may not be legally possible; if so:
Billwhittaker grants anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law.
The following pages on Schools Wikipedia link to this image (list may be incomplete):

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.
Camera manufacturer Canon
Camera model Canon PowerShot D10
Exposure time 1/800 sec (0.00125)
F-number f/4.5
ISO speed rating 100
Date and time of data generation 11:20, 7 October 2010
Lens focal length 14.303 mm
Orientation Normal
Horizontal resolution 180 dpi
Vertical resolution 180 dpi
File change date and time 11:20, 7 October 2010
Y and C positioning Co-sited
Exif version 2.21
Date and time of digitizing 11:20, 7 October 2010
Meaning of each component
  1. Y
  2. Cb
  3. Cr
  4. does not exist
Image compression mode 3
Shutter speed 9.65625
APEX aperture 4.34375
Exposure bias 0
Maximum land aperture 4.34375 APEX (f/4.51)
Metering mode Pattern
Flash Flash did not fire, compulsory flash suppression
Supported Flashpix version 0,100
Colour space sRGB
Focal plane X resolution 16,460.905349794
Focal plane Y resolution 16,483.516483516
Focal plane resolution unit inches
Sensing method One-chip colour area sensor
File source Digital still camera
Custom image processing Normal process
Exposure mode Auto exposure
White balance Auto white balance
Digital zoom ratio 1
Scene capture type Standard

Schools Wikipedia facts

SOS Childrens Villages has brought Wikipedia to the classroom. Thanks to SOS Children, 62,000 children are enjoying a happy childhood, with a healthy, prosperous future ahead of them. Find out more about sponsoring a child.