According to Environmental Law of Seychelles: Environment Protection Act 1994, Environment Protection (Standards) Regulations, 1995, the Seychelles Standard for the Discharge of Effluents to a recipient system from any industry, operation or process are as follows:
S.I. 83 of 1995
ENVIRONMENT PROTECTION ACT, 1994
(Act 9 of. 1994)
Environment Protection (Standards)
Regulations, 1995
EFFLUENT QUALITY STANDARD
| Parameters | Maximum concentration in milligram Per litre (mg/1) unless
otherwise stated (except pH) |
| Temperature | 30oC measured at the point of Discharge |
| PH |
5.5 ¨C 8.5 |
| Suspended Solids |
30 |
| BOD5 at 20oC |
30 |
| COD |
80 |
| Free Chlorine (as Cl-) | 0.5 |
| Phosphorus (as PO4?) | 5 |
| Nitrate (as NO?) | 15 |
| Nitrite (As NO?) | 1 |
| Phenols | 0.1 |
| Chromium (total) | 1.0 |
| Arsenic (total) | 0.1 |
| Mercury (total) | 0.05 |
| Cadmium (total) | 0.2 |
| Lead (total) | 0.9 |
| Copper (total) | 1 |
| Zinc (total) | 2 |
| Iron (total) | 5.0 |
| Nickel (total) | 1 |
| Aluminum (total) | 1 |
| Tin (total) | 0.1 |
| Manganese (total) | 2.0 |
| Oil and grease | 10 |
| Total coliforms | 500/100ml |
| Faecal coliforms | 100/100 ml |
| Faecal streptococcus | 100/100 ml |
| Salmonella | Must not be detectable in any 100 ml sample |
| Pesticides | In accordance with the law relating to pesticides which may be inforce |
3. Sampling
For the purpose of this Standard sampling shall be carried out in accordance
with the British Standards 6068 ¨C Guidance on Sampling of Waste Waters:
Section 6.10: 1993, unless otherwise specified by the Authority.
4. Reference Methods of Analysis
For the purpose of this standard, the Reference Methods of Analysis shall
be
based on the methods, as adopted by the Laboratory established or recognised
under section 26 of the Act.
MADE this 10th day of August, 1995.
Download the Seychelles Environmental Laws related to Effluent Discharge Standards documents in pdf format:
1. 
Seychelles
Environment Protecion Action 1994 (File size: 298 Kb)
2. 
STANDARD
OF EFFLUENT DISCHARGE QUALITY(File size: 46.5 Kb)
3. 
STANDARD
OF EFFLUENT DISCHARGE QUALITY(File size: 186 Kb)
Related links:
1. ENVIRONMENT PROTECTION ACT
http://www.env.gov.sc/ENVIRONMENT_PROTECTION_ACT.pdf
2. Seychelles environmental Act: http://faolex.fao.org/cgi-bin/faolex.exe?rec_id=003516&database=FAOLEX&search_type=link&table=result&lang=eng&format_name=@ERAL