Manchester, UK 19th April, 2015. 'Simpson oil ' held by certain Cannabis festival-goers at Platt Fields Park. This ‘420’ event is advertised as a mini-festival for people, weed smokers, who support the legalisation of cannabis. Police officers warned they would take a dim view of anyone taking drugs at this year’s Puff-Puff-Pass Day event. Greater Manchester Police and have had to issue a number of verbal warnings to people doing so.

Manchester, UK 19th April, 2015. 'Simpson oil ' held by certain Cannabis festival-goers at Platt Fields Park. This ‘420’ event is advertised as a mini-festival for people, weed smokers, who support the legalisation of cannabis. Police officers warned they would take a dim view of anyone taking drugs at this year’s Puff-Puff-Pass Day event. Greater Manchester Police and have had to issue a number of verbal warnings to people doing so. Stock Photo
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Contributor:

MediaWorldImages / Alamy Stock Photo

Image ID:

EMB7T8

File size:

24.7 MB (1.6 MB Compressed download)

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Dimensions:

3600 x 2400 px | 30.5 x 20.3 cm | 12 x 8 inches | 300dpi

Date taken:

19 April 2015

Location:

Manchester, UK

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This image could have imperfections as it’s either historical or reportage.

The oil itself is simple. Anyone with a bucket, a pile of pot, and a solvent can make it. First devised by Canadian cannabis pioneer Rick Simpson — from which it derives one of its names, Simpson oil — the oil is merely cannabis distilled to its essential active cannabinoids, with as much of the plant material as possible removed using the solvent. Aldrich's providers of what they call "milagro oil" at Wo/Men's Alliance for Medical Marijuana in Santa Cruz use Everclear; Finley uses 99 isopropryl alcohol. The oil also is extremely potent. Finley says her concoction is 72 percent tetrahydracannabinol, or THC, the psychoactive ingredient in marijuana that gets you stoned, and which in lab studies has shrunk tumors in rats; and 11 percent cannabidiol, or CBD, the cannabinoid in marijuana that studies suggest doesn't get you high but has anti-inflammatory and anti-anxiety properties. 420 is a code adopted by weed smokers thought to stretch back to the 70s when school-kids chose it as the time to meet up and get high. Since then 420 has become a private joke for pot lovers, appearing everywhere from kids TV to episodes of The Price Is Right. "It is not suggested that any person featured is or has taken any illegal substance"