 鲜花( 499)  鸡蛋( 10)
|
sewer backup is actually quite common in Edmonton.
3 @: B7 z0 m0 |& n) n3 Q# g' }; a! t* y8 F8 L( S+ d
The Microorganisms of Concern In Sewage Contamination Are:# P% B4 A* Q1 v$ H% W7 ~0 h* v+ [* i
" m. B$ W: o5 Y$ l5 T4 }; ] y * Bacteria
# W0 n: U7 F& G2 u* _7 e * Parasites
0 [5 x; Z, Z% K, P& O% ]4 S * Viruses
V: C7 s! d7 k. P7 ~. A( ?3 y% {2 B' h- U
Bacteria:
5 p* x$ D+ K- C c5 ]" |/ _4 D
9 U. h1 g. U7 I: G * E-coli (Escherichia coli), indicator of sewage contamination, source of endotoxin, cause of diarrhea, food poisoning
7 d0 I' N) f' Y! D t * Salmonella, food poisoning, diarrhea
3 Y6 `, _3 W' T: b5 D3 [/ s * Shigella, Life-threatening
# _1 j9 A! `/ A * Pseudomonas, endotoxin source, wound infections
7 a' D* u$ }% U; ]. `0 b* V* G' C5 y+ w6 C* a( H! f
Parasites:
. l a9 l, x( W& t a# q. Z! k4 X
- _& Z6 H: d( ]1 X3 z' P5 Q * Giardia, results in severe intestinal disease% n& W4 P: p) T; V& k# z, _* n( [
* Cryptosporidium, also results in chronic and severe intestinal disease
; i& X' c- a" w! ^/ D& O& K * Round worms and Helminthes (Tape Worms)
7 d5 O7 K$ Q4 G, b. q( r: D3 w9 T
Viruses (>120 species):
. l8 d5 w m, I* r& H S
- X; [; d) Z) k& ]4 c8 l * Hepatitis A, causing liver inflammation
% T* P1 _5 {& ~! e' ?+ F) {; b * Adenoviruses, causing eye and respiratory infection/ J; g4 c: {6 ?' g
* Rotavirus, can cause life threatening diarrhea in children ) ~, Y2 p& l# h( P
4 P( y, M, a7 A3 ORoutes of Transmission:
7 C1 ^2 d( p' N( d# Z9 C+ ]- P2 W l3 ~3 b" x
* Ingestion is the Main Route: K1 N( c0 T3 n9 C' z
* Skin and Puncture Wounds3 v, H% f! @+ O6 ~
* Inhalation |
|