Appendix 5 Volume Three Standard/Parameter Interpretation of Standard/Parameter Classification Dissolved Oxygen - Must exceed 80% of saturation or 6mg/l, whichever is SG greater. Suitability of fish for - Must not be rendered unsuitable by the presence of SG human consumption contaminants. - Median faecal coliform content of samples taken over a shellfish gathering season must not exceed a Most Probable Number (MPN) of 14 per 100ml, and not more than 10% of samples must exceed an MPN of 43 per 100ml (or Colony Forming Units per 100ml). App 5 – 22