Division 1.3 Synthetic sewage
United Kingdom
A synthetic sewage is employed for the test. Dissolve in each litre of tap water:
160 mg peptone;
110 mg meat extract;
30 mg urea, CO(NH2)2;
7 mg sodium chloride, NaCl;
4 mg calcium chloride, CaCl2.2H2O;
2 mg magnesium sulphate, MgSO4.7H2O;
28 mg of di-potassium hydrogen phosphate, K2HPO4;
and 10 ± 1 mg of the surfactant.
The synthetic sewage is freshly prepared daily.
Notes on the whole EU Regulation
Textual amendments
- F1
- F2
Notes on Annex VIII
Textual amendments
- F1
Words in Annex 8 substituted (31.12.2020) by The Detergents (Amendment) (EU Exit) Regulations 2019 (S.I. 2019/672), regs. 1, 29; 2020 c. 1, Sch. 5 para. 1(1)