SCHEDULE 3

Calculating nitrogen in organic manure
Regulations 9, 36 and 37
PART 1

Standard Table

Total amount of nitrogen in livestock manure
Manure other than slurry | Total nitrogen in each tonne (kg)
Manure other than slurry from— |
cattle: | 6
pigs: | 7
sheep: | 7
ducks: | 6.5
horses: | 7
goats: | 6
Manure from laying hens: | 19
Manure from turkeys or broiler chickens: | 30
Slurry | Total nitrogen in each cubic metre (kg)
cattle: | 2.6
pigs: | 3.6
Separated cattle slurry (liquid fraction)— |
strainer box: | 1.5
weeping wall: | 2
mechanical separator: | 3
Separated cattle slurry (solid fraction): | 4
Separated pig slurry (liquid fraction): | 3.6
Separated pig slurry (solid fraction): | 5
Dirty water: | 0.5
PART 2

Sampling and analysis of organic manure

Slurry and other liquid and semi-liquid organic manure
1
1
In relation to slurry and other liquid and semi-liquid organic manure, at least five samples, each of 2 litres, must be taken.
2
Subject to sub-paragraph (3), the five samples must be taken from a vessel, and—
a
if reasonably practicable, the slurry must be thoroughly mixed before the samples are taken, and
b
each sample must be taken from a different location.
3
If a tanker used for spreading is fitted with a suitable valve, the samples may be taken while spreading, and each sample must be taken at intervals during the spreading.
4
Whether taken as described in sub-paragraph (2) or (3), the five samples must be poured into a larger container, stirred thoroughly and a 2 litre sample must be taken from that container and poured into a smaller clean container.
5
The 2 litre sample produced in accordance with sub-paragraph (4) must then be sent for analysis.

Solid manures
2
1
In relation to solid manures, the samples must be taken from a manure heap.
2
At least ten samples of 1 kg each must be taken, each from a different location in a heap.
3
Each sub-sample must be taken at least 0.5 metres from the surface of the heap.
4
If samples are being collected to calculate compliance with the whole farm limit for pigs and poultry, four samples for analysis must be taken in a calendar year (one taken in each quarter) from manure heaps not more than 12 months old.
5
The sub-samples must be placed on a clean, dry tray or sheet.
6
Any lumps must be broken up and the sub-samples must be thoroughly mixed together.
7
A representative sample of at least 2 kg must then be sent for analysis.
Sch. 3 Pt. 1 in force at 1.4.2021, see reg. 1(3)
Sch. 3 para. 1 in force at 1.4.2021, see reg. 1(3)
Sch. 3 para. 2 in force at 1.4.2021, see reg. 1(3)
Word in Sch. 3 Pt. 1 Table substituted (31.12.2022) by The Water Resources (Control of Agricultural Pollution) (Wales) (Amendment) Regulations 2022 (S.I. 2022/1305), regs. 1(2), 2(7)