Particular requirements for equipment used to disinfect heat-sensitive products by means of steam at below 80°C and without the addition of formaldehyde. To be read in conjunction with the foreword of BS 3970-1Cross References:BS 1781BS 3281BS 3970:Part 1BS 3970:Part 3BS 5750BS 6254BS 6255Electrical Safety Code for Hospital Laboratory Equipment (ESCHLE), Health Equipment Information (HEI) No. 158