Barium 7.7μg/L in SF rain

Rainwater collected in San Francisco on March 9th, 2016 tested positive for barium at 7.7μg/L. Other metals were at levels below reporting limits. Here’s the pdf of the full report: 2016-03-09

Aluminum 170μg/L, barium 19μg/L, manganese 12μg/L, strontium 30μg/L & titanium 5.5μg/L, in SF rain

Rainwater collected in San Francisco on March 3rd, 2016 tested positive for aluminum at 170μg/L, barium at 19μg/L, manganese at 12μg/L, strontium at 30μg/L and titanium at 5.5μg/L. Here’s the pdf of the full report: 2016-03-03

Strontium 20μg/L, aluminum 19μg/L & barium 10μg/L in SF rain

Rainwater collected in San Francisco on February 17th, 2016 tested positive for strontium at 20μg/L, aluminum at 19μg/L and barium at 10μg/L. Arsenic and manganese were not detected above reporting limits. Here’s a pdf of the full report: 2016-02-17

Metals below reporting levels in SF rain

No metals were detected above reporting levels in rain collected in San Francisco on December 10th, 2015. Here’s a pdf of the full report: 2015-12-10

Aluminum 68μg/L, barium 5.5μg/L & titanium 2.4μg/L in SF rain

Rainwater collected in San Francisco on November 24th, 2015 tested positive for aluminum at 68μg/L, barium at 5.5μg/L & titanium at 2.4μg/L. Here’s the pdf of the full report: 2015-11-24

Barium 9μg/L, titanium 2.1μg/L in SF rain

Rainwater collected in San Francisco on November 9th, 2015 tested positive for barium at 9μg/L and titanium at 2.1μg/L. Neither aluminum nor strontium were found above reportable levels. Here’s the pdf of the full report: 2015-11-09

Metals below detectable levels in SF rain

No metals were detected above reportable levels in rain falling on San Francisco, September 30th, 2015. Here’s the pdf of the full report: 2015-09-30

Aluminum 15,430μg/L, barium 850μg/L in Perugia, Italy rainwater

Aluminum clocked in at an astonishing 15,430μg/L – 300x reporting limits – in rain collected in Italy last June, with barium at 850μg/L, the highest result I’ve ever seen. Unsurprisingly, Italy’s death rate shot up more than 11% last year. [Note: this Italian lab reports its results in milligrams per liter. There are 1,000 micrograms […]

Aluminum 68μg/L, barium 5.5μg/L in SF rain

Rainwater collected in San Francisco on June 10th, 2015 tested positive for aluminum at 68μg/L and barium at 5.5μg/L. Here’s the pdf of the full report: 2015-06-10

Barium 160μg/L in SF rain

Rainwater collected in San Francisco on April 5th, 2015 contained 160μg/L of barium. Less than one gram of barium will kill an adult human. Here’s the full pdf of of the report: 2015-04-05

Aluminum 190μg/L, barium 15μg/L in SF rain

Rain collected in San Francisco January 30th, 2014 tested positive for aluminum at 190μg/L and barium at 15μg/L. Here’s the pdf of the full report: 2014-01-14

Barium 9.3μg/L in SF rain

Rainwater collected in San Francisco on November 19th, 2013 tested positive for barium at 9.3μg/L Here’s the pdf of the full report: 2013-11-09