ppb


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ppb

Abbreviation for parts per billion.

ppb

parts per billion, usually based on a mass or volume of a substance.
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"We are not certain whether the clinic has followed the proper hygienic and professional standards in preparing the medicines," Dr Tola Jahar, PPB team member said.According to PPB's Naomi Mukuya, the operation was necessitated by the claims made by some of the drug makers.
Pharmacy board seizes drugs in raid on Nairobi herbal clinics
Embryos exposed to 200 ppb and higher concentrations of mercuric chloride all showed increased muscle fiber degeneration compared to muscle fibers observed in control embryos (200 ppb, p=0.03; 300 ppb, p<0.0001 and 400 ppb, p<0.0001).
Uso de Embriones de Pez Cebra (Danio rerio) Como Modelo para Evaluar los Efectos del Mercurio en el Desarrollo del Musculo Esqueletico: Un Estudio Morfometrico e Inmunohistoquimico
At 9.37am, PPB Group was thinly traded with 300 shares changing hands at RM19.20.
Robert Kuok-controlled PPB Group buys LTAT's stake in property firm
Results: The severity of PPB was based on the elevation in depressed mood following a protocol to induce sad mood.
Women's health update
The lowest and the highest Zn concentrations were <1 ppb in honey samples from Sanliurfa and Mardin and 237 ppb in honey sample from Hatay, respectively.
Analyses of Mineral Content and Heavy Metal of Honey Samples from South and East Region of Turkey by Using ICP-MS
Classroom 42, which is also a home economics room, showed 75 ppb. Three sinks in Classroom 43, also a home economics room, reached 42 ppb, 47 ppb and 25 ppb.
Tests find more lead at Bethel school
The threshold for aflatoxin excretion in cows' milk is 15 ppb in their feed [34].
Assessing the impact of aflatoxin consumption on animal health and productivity
Some water systems could meet the regulatory standard of less than 15 ppb in winter while exceeding that threshold during warmer months, the researchers warn.
Lead levels in drinking water vary seasonally
That would provide a legal remedy to people with dioxane in their water at concentrations higher than 7.2 ppb.
City Council agrees to seek Superfund funds for dioxane plume
Those results indicated the water contained 57.00 parts per billion (ppb) of trichloroethylene (TCE).
The investigation of groundwater contamination in Wicomico County's Morris Mill community
Environmental Protection Agency (EPA) is 10 ppb (parts per billion; U.S.
Effects of in utero exposure to arsenic during the second half of gestation on reproductive end points and metabolic parameters in female CD-1 mice
It boasts a 2 ppb detection capability in NH3 and sub-ppb in inert matrices.
Simple trace level moisture analysis in ammonia

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