494 Organic Waste Recycling: Technology and Management
EF 0.5
(^5) 0.5 1155
RC
FS
RWS
Japan
CWS 0.5 0.05 ND
WHORWS 0.01 0.050.050.21.50.002
AG
RC
FS 1.012
d
0.06-0.16
d
0.0351-1.30.2-0.6 0.19
d
0.005
d
2.6
RWS 0.13
0.2
U.S. EPA
CWS
0.10.0130.01^5050 0.050.10.2
1.1-2.4
0.3
Parameter (Average maxima, except [ ] = minima) (ND = non-detectable) 8.7 Mercury (
μg/L)
8.8 Nickel (mg/L) 8.9 Selenium (mg/L) 8.10 Silver (
μg/L)
8.11Zinc (mg/L)
- Other toxics
9.1 Ammonia (NH
) (mg/L) 3
9.2 Arsenic (mg/L) 9.3 Chlorine, free (mg/L) 9.4 Cyanide (mg/L) 9.5 Fluoride (mg/L) 9.6 Phenol (mg/L)
9.7 Sulfide (H
S) (mg/L) 2
Table 10.2 Water quality standards of U.S. EPA, WHO, and Japan (Lohani and Evans 1993) (continued)
a Raw water supply suitable for
treatment by conventional rapid sand filtration to produce finished CWS
b Moderate hardness c 0.025 for reservoirs, and 0.05 for steams d 4-day average, once every 3 years CWS = community water supply; RWS = raw water supply; RC = recreation (fresh/marine); AG = agriculture; FS = fishery; EF= effluent; MBAS = methylene-blue-active substances