T/SEA 003-2020 Active Group standards

T/SEA 003-2020 The indoor air quality requirements for primary and secondary schools

Publish Date: 2020-02-22 Implement Date: 2020-03-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Price: $ 20.00

Out of stock

Basic Information

Standard Code: T/SEA 003-2020

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: Environment quality standards

ICS Name: Integrated air quality

Publish Date: 2020-02-22

Implement Date: 2020-03-01

Scope

Main Technical Content: Table 1: Indoor Air Quality Classification Standards Serial No. Item Concentration Limit Testing Requirements a Remarks 1 Formaldehyde HCHO 0.08 mg/m3 0.10 mg/m3 Mandatory testing 1 h average 2 Benzene C6H6 0.09 mg/m3 0.11 mg/m3 Mandatory testing 1 h average 3 Toluene C7H8 0.10 mg/m3 0.20 mg/m3 Mandatory testing 1 h average 4 Total Volatile Organic Compounds TVOC 0.50 mg/m3 0.60 mg/m3 Mandatory testing 1 h average 5 Carbon Dioxide CO2 0.10% 0.15% Mandatory testing 1 h average 6 Fine Particles PM2.5 35 μg/m3 75 μg/m3 Mandatory testing 1 h average 7 Noise dB(A) 40 dB 50 dB Mandatory testing During classes 8 Illumination Lx 300 Lx 300 Lx Mandatory testing 500 Lx 500 Lx on classroom desktops 9 Total Bacteria 500 cfu/m3 500 cfu/m3 Mandatory testing Natural ventilation and centralized air conditioning air supply 10 Total Fungi 100 cfu/m2 100 cfu/m2 Mandatory testing Centralized air conditioning air supply 11 Bacteria 100 cfu/m2 100 cfu/m2 Mandatory testing Centralized air conditioning air supply 12 Fungi 100 cfu/m3 100 cfu/m3 Mandatory testing Centralized air conditioning air supply 13 β-Haemolytic Streptococcus Not detected Not detected Optional testing Centralized air conditioning air supply 14 Xylene C8H10 0.10 mg/m3 0.20 mg/m3 Optional testing 1 h average 15 Ozone O3 0.10 mg/m3 0.16 mg/m3 Optional testing 1 h average 16 Carbon Monoxide CO 5 mg/m3 10 mg/m3 Optional testing 1 h average 17 Sulfur Dioxide SO2 0.40 mg/m3 0.50 mg/m3 Optional testing 1 h average 18 Nitrogen Dioxide NO2 0.20 mg/m3 0.24 mg/m3 Optional testing 1 h average 19 Ammonia NH3 0.10 mg/m3 0.20 mg/m3 Optional testing 1 h average 20 Benzo[a]pyrene B(a)P 1.0 mg/m3 1.0 mg/m3 Optional testing 1 h aver