131. Thermally insulated underground piping systems. (28th November 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (35 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
132. Tracked Changes. Acoustics. Measurement of sound absorption properties of road surfaces in situ. Extended surface method Part 1, (7th March 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (100 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
133. Tracked Changes. Ambient air. Standard gravimetric measurement method for the determination of the PM10 or PM2, 5 mass concentration of suspended particulate matter. (5th September 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (154 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
134. Tracked Changes. Equipment for harvesting. Combine harvesters. Test procedure and performance assessment. (8th February 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (62 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
135. Tracked Changes. Geotechnical investigation and testing. Field testing. Prebored pressuremeter test by Ménard procedure Part 4, (7th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (172 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
136. Tracked Changes. Geotechnical investigation and testing. Field testing. Prebored pressuremeter test Part 5, (20th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (120 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
137. Tracked Changes. High-voltage switchgear and controlgear. AC gas-insulated metal-enclosed switchgear for rated voltages above 52 kV Part 203, (7th June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (202 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
138. Tracked Changes. Reciprocating internal combustion engines. Exhaust emission measurement. Measurement of gaseous and particulate exhaust emissions under field conditions Part 2, (9th March 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (168 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
139. Tracked Changes. Soil quality. Determination of redox potential. Field method. (9th December 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
140. Tracked Changes. Wood preservatives. Field test method for determining the relative protective effectiveness of a wood preservative exposed out of ground contact. Horizontal lap-joint method. (20th December 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗