ngwaahịa

Ihe nlereanya

Anụ ahụ, azụ na oporo, mmiri ara ehi a na-anaghị esi nri, anụ ezi, ọkụkọ, mmanụ aṅụ, àkwá, mmamịrị ezi, mmanụ aṅụ, wdg.

Oke nchọpụta

Anụ ahụ, azụ na oporo: 5ppb

Mmiri ara ehi a na-anaghị emepụta: 20-40ppb

Azụ, anụ ezi, ọkụkọ: 0.5-1.2ppb

Mmanụ aṅụ: 2-100ppb

Àkwá: 4-100ppb

Ngwaahịa mmiri ara ehi: 0.2-1.4ppb

Mmamịrị ezi: 90-200ppb

Ọnọdụ nchekwa na oge nchekwa

Ọnọdụ nchekwa: 2-8℃

Oge nchekwa: ọnwa iri na abụọ