ISO 17208-2:2019 Underwater acoustics. Quantities and procedures for description and measurement of underwater sound from ships Part 2: Determination of source levels from deep water measurements

Channels (metal sections)
Cellular materials
Sandwich materials
Metal sections
Plastics

Link: ISO 17208-2:2019 Underwater acoustics. Quantities and procedures for description and measurement of underwater sound from ships Part 2: Determination of source levels from deep water measurements
Source: BSI Standards

BS ISO 21053:2019 Life cycle analysis and recycling of ductile iron pipes for water applications

Specification (approval)
Spheroidal-graphite cast-iron
Pipe fittings
Cast-iron pipelines
Linings (containers)
Cement mortar
Pipes
Adhesion
Pipe coatings
Adhesion tests
Visual inspection (testing)
Cast-iron
Thickness
Performance testing
Durability
Sealing materials
Prefabricated parts

Link: BS ISO 21053:2019 Life cycle analysis and recycling of ductile iron pipes for water applications
Source: BSI Standards

The Firearms (Fees) Regulations 2019

These Regulations authorise the Secretary of State and the Scottish Ministers to require the payment of a fee before an authority under section 5 of the Firearms Act 1968 (a “section 5 authority”), an approval under section 15 of the Firearms (Amendment) Act 1988 and a licence under the Schedule to the Firearms (Amendment) Act 1988 is granted, varied or renewed.

Link: The Firearms (Fees) Regulations 2019
Source: Legislation .gov.uk